aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/x86/include/asm/kvm.h16
-rw-r--r--arch/x86/include/asm/kvm_host.h16
-rw-r--r--arch/x86/include/asm/svm.h205
-rw-r--r--arch/x86/include/asm/vmx.h127
-rw-r--r--arch/x86/kvm/trace.h89
-rw-r--r--tools/lib/traceevent/event-parse.c570
-rw-r--r--tools/lib/traceevent/event-parse.h3
-rw-r--r--tools/perf/Documentation/perf-kvm.txt30
-rw-r--r--tools/perf/MANIFEST3
-rw-r--r--tools/perf/Makefile6
-rw-r--r--tools/perf/builtin-kmem.c90
-rw-r--r--tools/perf/builtin-kvm.c836
-rw-r--r--tools/perf/builtin-lock.c233
-rw-r--r--tools/perf/builtin-record.c6
-rw-r--r--tools/perf/builtin-test.c86
-rw-r--r--tools/perf/builtin-timechart.c40
-rw-r--r--tools/perf/util/evsel.c88
-rw-r--r--tools/perf/util/evsel.h5
-rw-r--r--tools/perf/util/header.c547
-rw-r--r--tools/perf/util/header.h24
-rw-r--r--tools/perf/util/map.c5
-rw-r--r--tools/perf/util/probe-event.c36
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c2
-rw-r--r--tools/perf/util/symbol.h1
-rw-r--r--tools/perf/util/thread.h2
-rw-r--r--tools/perf/util/trace-event-parse.c18
26 files changed, 2278 insertions, 806 deletions
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index 246617efd67f..41e08cb6a092 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -9,6 +9,22 @@
#include <linux/types.h>
#include <linux/ioctl.h>
+#define DE_VECTOR 0
+#define DB_VECTOR 1
+#define BP_VECTOR 3
+#define OF_VECTOR 4
+#define BR_VECTOR 5
+#define UD_VECTOR 6
+#define NM_VECTOR 7
+#define DF_VECTOR 8
+#define TS_VECTOR 10
+#define NP_VECTOR 11
+#define SS_VECTOR 12
+#define GP_VECTOR 13
+#define PF_VECTOR 14
+#define MF_VECTOR 16
+#define MC_VECTOR 18
+
/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_PIT
#define __KVM_HAVE_IOAPIC
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 09155d64cf7e..1eaa6b056670 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -75,22 +75,6 @@
#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1))
#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
-#define DE_VECTOR 0
-#define DB_VECTOR 1
-#define BP_VECTOR 3
-#define OF_VECTOR 4
-#define BR_VECTOR 5
-#define UD_VECTOR 6
-#define NM_VECTOR 7
-#define DF_VECTOR 8
-#define TS_VECTOR 10
-#define NP_VECTOR 11
-#define SS_VECTOR 12
-#define GP_VECTOR 13
-#define PF_VECTOR 14
-#define MF_VECTOR 16
-#define MC_VECTOR 18
-
#define SELECTOR_TI_MASK (1 << 2)
#define SELECTOR_RPL_MASK 0x03
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index f2b83bc7d784..cdf5674dd23a 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -1,6 +1,135 @@
#ifndef __SVM_H
#define __SVM_H
+#define SVM_EXIT_READ_CR0 0x000
+#define SVM_EXIT_READ_CR3 0x003
+#define SVM_EXIT_READ_CR4 0x004
+#define SVM_EXIT_READ_CR8 0x008
+#define SVM_EXIT_WRITE_CR0 0x010
+#define SVM_EXIT_WRITE_CR3 0x013
+#define SVM_EXIT_WRITE_CR4 0x014
+#define SVM_EXIT_WRITE_CR8 0x018
+#define SVM_EXIT_READ_DR0 0x020
+#define SVM_EXIT_READ_DR1 0x021
+#define SVM_EXIT_READ_DR2 0x022
+#define SVM_EXIT_READ_DR3 0x023
+#define SVM_EXIT_READ_DR4 0x024
+#define SVM_EXIT_READ_DR5 0x025
+#define SVM_EXIT_READ_DR6 0x026
+#define SVM_EXIT_READ_DR7 0x027
+#define SVM_EXIT_WRITE_DR0 0x030
+#define SVM_EXIT_WRITE_DR1 0x031
+#define SVM_EXIT_WRITE_DR2 0x032
+#define SVM_EXIT_WRITE_DR3 0x033
+#define SVM_EXIT_WRITE_DR4 0x034
+#define SVM_EXIT_WRITE_DR5 0x035
+#define SVM_EXIT_WRITE_DR6 0x036
+#define SVM_EXIT_WRITE_DR7 0x037
+#define SVM_EXIT_EXCP_BASE 0x040
+#define SVM_EXIT_INTR 0x060
+#define SVM_EXIT_NMI 0x061
+#define SVM_EXIT_SMI 0x062
+#define SVM_EXIT_INIT 0x063
+#define SVM_EXIT_VINTR 0x064
+#define SVM_EXIT_CR0_SEL_WRITE 0x065
+#define SVM_EXIT_IDTR_READ 0x066
+#define SVM_EXIT_GDTR_READ 0x067
+#define SVM_EXIT_LDTR_READ 0x068
+#define SVM_EXIT_TR_READ 0x069
+#define SVM_EXIT_IDTR_WRITE 0x06a
+#define SVM_EXIT_GDTR_WRITE 0x06b
+#define SVM_EXIT_LDTR_WRITE 0x06c
+#define SVM_EXIT_TR_WRITE 0x06d
+#define SVM_EXIT_RDTSC 0x06e
+#define SVM_EXIT_RDPMC 0x06f
+#define SVM_EXIT_PUSHF 0x070
+#define SVM_EXIT_POPF 0x071
+#define SVM_EXIT_CPUID 0x072
+#define SVM_EXIT_RSM 0x073
+#define SVM_EXIT_IRET 0x074
+#define SVM_EXIT_SWINT 0x075
+#define SVM_EXIT_INVD 0x076
+#define SVM_EXIT_PAUSE 0x077
+#define SVM_EXIT_HLT 0x078
+#define SVM_EXIT_INVLPG 0x079
+#define SVM_EXIT_INVLPGA 0x07a
+#define SVM_EXIT_IOIO 0x07b
+#define SVM_EXIT_MSR 0x07c
+#define SVM_EXIT_TASK_SWITCH 0x07d
+#define SVM_EXIT_FERR_FREEZE 0x07e
+#define SVM_EXIT_SHUTDOWN 0x07f
+#define SVM_EXIT_VMRUN 0x080
+#define SVM_EXIT_VMMCALL 0x081
+#define SVM_EXIT_VMLOAD 0x082
+#define SVM_EXIT_VMSAVE 0x083
+#define SVM_EXIT_STGI 0x084
+#define SVM_EXIT_CLGI 0x085
+#define SVM_EXIT_SKINIT 0x086
+#define SVM_EXIT_RDTSCP 0x087
+#define SVM_EXIT_ICEBP 0x088
+#define SVM_EXIT_WBINVD 0x089
+#define SVM_EXIT_MONITOR 0x08a
+#define SVM_EXIT_MWAIT 0x08b
+#define SVM_EXIT_MWAIT_COND 0x08c
+#define SVM_EXIT_XSETBV 0x08d
+#define SVM_EXIT_NPF 0x400
+
+#define SVM_EXIT_ERR -1
+
+#define SVM_EXIT_REASONS \
+ { SVM_EXIT_READ_CR0, "read_cr0" }, \
+ { SVM_EXIT_READ_CR3, "read_cr3" }, \
+ { SVM_EXIT_READ_CR4, "read_cr4" }, \
+ { SVM_EXIT_READ_CR8, "read_cr8" }, \
+ { SVM_EXIT_WRITE_CR0, "write_cr0" }, \
+ { SVM_EXIT_WRITE_CR3, "write_cr3" }, \
+ { SVM_EXIT_WRITE_CR4, "write_cr4" }, \
+ { SVM_EXIT_WRITE_CR8, "write_cr8" }, \
+ { SVM_EXIT_READ_DR0, "read_dr0" }, \
+ { SVM_EXIT_READ_DR1, "read_dr1" }, \
+ { SVM_EXIT_READ_DR2, "read_dr2" }, \
+ { SVM_EXIT_READ_DR3, "read_dr3" }, \
+ { SVM_EXIT_WRITE_DR0, "write_dr0" }, \
+ { SVM_EXIT_WRITE_DR1, "write_dr1" }, \
+ { SVM_EXIT_WRITE_DR2, "write_dr2" }, \
+ { SVM_EXIT_WRITE_DR3, "write_dr3" }, \
+ { SVM_EXIT_WRITE_DR5, "write_dr5" }, \
+ { SVM_EXIT_WRITE_DR7, "write_dr7" }, \
+ { SVM_EXIT_EXCP_BASE + DB_VECTOR, "DB excp" }, \
+ { SVM_EXIT_EXCP_BASE + BP_VECTOR, "BP excp" }, \
+ { SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" }, \
+ { SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" }, \
+ { SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" }, \
+ { SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" }, \
+ { SVM_EXIT_INTR, "interrupt" }, \
+ { SVM_EXIT_NMI, "nmi" }, \
+ { SVM_EXIT_SMI, "smi" }, \
+ { SVM_EXIT_INIT, "init" }, \
+ { SVM_EXIT_VINTR, "vintr" }, \
+ { SVM_EXIT_CPUID, "cpuid" }, \
+ { SVM_EXIT_INVD, "invd" }, \
+ { SVM_EXIT_HLT, "hlt" }, \
+ { SVM_EXIT_INVLPG, "invlpg" }, \
+ { SVM_EXIT_INVLPGA, "invlpga" }, \
+ { SVM_EXIT_IOIO, "io" }, \
+ { SVM_EXIT_MSR, "msr" }, \
+ { SVM_EXIT_TASK_SWITCH, "task_switch" }, \
+ { SVM_EXIT_SHUTDOWN, "shutdown" }, \
+ { SVM_EXIT_VMRUN, "vmrun" }, \
+ { SVM_EXIT_VMMCALL, "hypercall" }, \
+ { SVM_EXIT_VMLOAD, "vmload" }, \
+ { SVM_EXIT_VMSAVE, "vmsave" }, \
+ { SVM_EXIT_STGI, "stgi" }, \
+ { SVM_EXIT_CLGI, "clgi" }, \
+ { SVM_EXIT_SKINIT, "skinit" }, \
+ { SVM_EXIT_WBINVD, "wbinvd" }, \
+ { SVM_EXIT_MONITOR, "monitor" }, \
+ { SVM_EXIT_MWAIT, "mwait" }, \
+ { SVM_EXIT_XSETBV, "xsetbv" }, \
+ { SVM_EXIT_NPF, "npf" }
+
+#ifdef __KERNEL__
+
enum {
INTERCEPT_INTR,
INTERCEPT_NMI,
@@ -264,81 +393,6 @@ struct __attribute__ ((__packed__)) vmcb {
#define SVM_EXITINFO_REG_MASK 0x0F
-#define SVM_EXIT_READ_CR0 0x000
-#define SVM_EXIT_READ_CR3 0x003
-#define SVM_EXIT_READ_CR4 0x004
-#define SVM_EXIT_READ_CR8 0x008
-#define SVM_EXIT_WRITE_CR0 0x010
-#define SVM_EXIT_WRITE_CR3 0x013
-#define SVM_EXIT_WRITE_CR4 0x014
-#define SVM_EXIT_WRITE_CR8 0x018
-#define SVM_EXIT_READ_DR0 0x020
-#define SVM_EXIT_READ_DR1 0x021
-#define SVM_EXIT_READ_DR2 0x022
-#define SVM_EXIT_READ_DR3 0x023
-#define SVM_EXIT_READ_DR4 0x024
-#define SVM_EXIT_READ_DR5 0x025
-#define SVM_EXIT_READ_DR6 0x026
-#define SVM_EXIT_READ_DR7 0x027
-#define SVM_EXIT_WRITE_DR0 0x030
-#define SVM_EXIT_WRITE_DR1 0x031
-#define SVM_EXIT_WRITE_DR2 0x032
-#define SVM_EXIT_WRITE_DR3 0x033
-#define SVM_EXIT_WRITE_DR4 0x034
-#define SVM_EXIT_WRITE_DR5 0x035
-#define SVM_EXIT_WRITE_DR6 0x036
-#define SVM_EXIT_WRITE_DR7 0x037
-#define SVM_EXIT_EXCP_BASE 0x040
-#define SVM_EXIT_INTR 0x060
-#define SVM_EXIT_NMI 0x061
-#define SVM_EXIT_SMI 0x062
-#define SVM_EXIT_INIT 0x063
-#define SVM_EXIT_VINTR 0x064
-#define SVM_EXIT_CR0_SEL_WRITE 0x065
-#define SVM_EXIT_IDTR_READ 0x066
-#define SVM_EXIT_GDTR_READ 0x067
-#define SVM_EXIT_LDTR_READ 0x068
-#define SVM_EXIT_TR_READ 0x069
-#define SVM_EXIT_IDTR_WRITE 0x06a
-#define SVM_EXIT_GDTR_WRITE 0x06b
-#define SVM_EXIT_LDTR_WRITE 0x06c
-#define SVM_EXIT_TR_WRITE 0x06d
-#define SVM_EXIT_RDTSC 0x06e
-#define SVM_EXIT_RDPMC 0x06f
-#define SVM_EXIT_PUSHF 0x070
-#define SVM_EXIT_POPF 0x071
-#define SVM_EXIT_CPUID 0x072
-#define SVM_EXIT_RSM 0x073
-#define SVM_EXIT_IRET 0x074
-#define SVM_EXIT_SWINT 0x075
-#define SVM_EXIT_INVD 0x076
-#define SVM_EXIT_PAUSE 0x077
-#define SVM_EXIT_HLT 0x078
-#define SVM_EXIT_INVLPG 0x079
-#define SVM_EXIT_INVLPGA 0x07a
-#define SVM_EXIT_IOIO 0x07b
-#define SVM_EXIT_MSR 0x07c
-#define SVM_EXIT_TASK_SWITCH 0x07d
-#define SVM_EXIT_FERR_FREEZE 0x07e
-#define SVM_EXIT_SHUTDOWN 0x07f
-#define SVM_EXIT_VMRUN 0x080
-#define SVM_EXIT_VMMCALL 0x081
-#define SVM_EXIT_VMLOAD 0x082
-#define SVM_EXIT_VMSAVE 0x083
-#define SVM_EXIT_STGI 0x084
-#define SVM_EXIT_CLGI 0x085
-#define SVM_EXIT_SKINIT 0x086
-#define SVM_EXIT_RDTSCP 0x087
-#define SVM_EXIT_ICEBP 0x088
-#define SVM_EXIT_WBINVD 0x089
-#define SVM_EXIT_MONITOR 0x08a
-#define SVM_EXIT_MWAIT 0x08b
-#define SVM_EXIT_MWAIT_COND 0x08c
-#define SVM_EXIT_XSETBV 0x08d
-#define SVM_EXIT_NPF 0x400
-
-#define SVM_EXIT_ERR -1
-
#define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
#define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
@@ -350,3 +404,4 @@ struct __attribute__ ((__packed__)) vmcb {
#endif
+#endif
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 74fcb963595b..36ec21c36d68 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -25,6 +25,88 @@
*
*/
+#define VMX_EXIT_REASONS_FAILED_VMENTRY 0x80000000
+
+#define EXIT_REASON_EXCEPTION_NMI 0
+#define EXIT_REASON_EXTERNAL_INTERRUPT 1
+#define EXIT_REASON_TRIPLE_FAULT 2
+
+#define EXIT_REASON_PENDING_INTERRUPT 7
+#define EXIT_REASON_NMI_WINDOW 8
+#define EXIT_REASON_TASK_SWITCH 9
+#define EXIT_REASON_CPUID 10
+#define EXIT_REASON_HLT 12
+#define EXIT_REASON_INVD 13
+#define EXIT_REASON_INVLPG 14
+#define EXIT_REASON_RDPMC 15
+#define EXIT_REASON_RDTSC 16
+#define EXIT_REASON_VMCALL 18
+#define EXIT_REASON_VMCLEAR 19
+#define EXIT_REASON_VMLAUNCH 20
+#define EXIT_REASON_VMPTRLD 21
+#define EXIT_REASON_VMPTRST 22
+#define EXIT_REASON_VMREAD 23
+#define EXIT_REASON_VMRESUME 24
+#define EXIT_REASON_VMWRITE 25
+#define EXIT_REASON_VMOFF 26
+#define EXIT_REASON_VMON 27
+#define EXIT_REASON_CR_ACCESS 28
+#define EXIT_REASON_DR_ACCESS 29
+#define EXIT_REASON_IO_INSTRUCTION 30
+#define EXIT_REASON_MSR_READ 31
+#define EXIT_REASON_MSR_WRITE 32
+#define EXIT_REASON_INVALID_STATE 33
+#define EXIT_REASON_MWAIT_INSTRUCTION 36
+#define EXIT_REASON_MONITOR_INSTRUCTION 39
+#define EXIT_REASON_PAUSE_INSTRUCTION 40
+#define EXIT_REASON_MCE_DURING_VMENTRY 41
+#define EXIT_REASON_TPR_BELOW_THRESHOLD 43
+#define EXIT_REASON_APIC_ACCESS 44
+#define EXIT_REASON_EPT_VIOLATION 48
+#define EXIT_REASON_EPT_MISCONFIG 49
+#define EXIT_REASON_WBINVD 54
+#define EXIT_REASON_XSETBV 55
+#define EXIT_REASON_INVPCID 58
+
+#define VMX_EXIT_REASONS \
+ { EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
+ { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, \
+ { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, \
+ { EXIT_REASON_PENDING_INTERRUPT, "PENDING_INTERRUPT" }, \
+ { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, \
+ { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \
+ { EXIT_REASON_CPUID, "CPUID" }, \
+ { EXIT_REASON_HLT, "HLT" }, \
+ { EXIT_REASON_INVLPG, "INVLPG" }, \
+ { EXIT_REASON_RDPMC, "RDPMC" }, \
+ { EXIT_REASON_RDTSC, "RDTSC" }, \
+ { EXIT_REASON_VMCALL, "VMCALL" }, \
+ { EXIT_REASON_VMCLEAR, "VMCLEAR" }, \
+ { EXIT_REASON_VMLAUNCH, "VMLAUNCH" }, \
+ { EXIT_REASON_VMPTRLD, "VMPTRLD" }, \
+ { EXIT_REASON_VMPTRST, "VMPTRST" }, \
+ { EXIT_REASON_VMREAD, "VMREAD" }, \
+ { EXIT_REASON_VMRESUME, "VMRESUME" }, \
+ { EXIT_REASON_VMWRITE, "VMWRITE" }, \
+ { EXIT_REASON_VMOFF, "VMOFF" }, \
+ { EXIT_REASON_VMON, "VMON" }, \
+ { EXIT_REASON_CR_ACCESS, "CR_ACCESS" }, \
+ { EXIT_REASON_DR_ACCESS, "DR_ACCESS" }, \
+ { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, \
+ { EXIT_REASON_MSR_READ, "MSR_READ" }, \
+ { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, \
+ { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, \
+ { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, \
+ { EXIT_REASON_PAUSE_INSTRUCTION, "PAUSE_INSTRUCTION" }, \
+ { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, \
+ { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, \
+ { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, \
+ { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, \
+ { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, \
+ { EXIT_REASON_WBINVD, "WBINVD" }
+
+#ifdef __KERNEL__
+
#include <linux/types.h>
/*
@@ -241,49 +323,6 @@ enum vmcs_field {
HOST_RIP = 0x00006c16,
};
-#define VMX_EXIT_REASONS_FAILED_VMENTRY 0x80000000
-
-#define EXIT_REASON_EXCEPTION_NMI 0
-#define EXIT_REASON_EXTERNAL_INTERRUPT 1
-#define EXIT_REASON_TRIPLE_FAULT 2
-
-#define EXIT_REASON_PENDING_INTERRUPT 7
-#define EXIT_REASON_NMI_WINDOW 8
-#define EXIT_REASON_TASK_SWITCH 9
-#define EXIT_REASON_CPUID 10
-#define EXIT_REASON_HLT 12
-#define EXIT_REASON_INVD 13
-#define EXIT_REASON_INVLPG 14
-#define EXIT_REASON_RDPMC 15
-#define EXIT_REASON_RDTSC 16
-#define EXIT_REASON_VMCALL 18
-#define EXIT_REASON_VMCLEAR 19
-#define EXIT_REASON_VMLAUNCH 20
-#define EXIT_REASON_VMPTRLD 21
-#define EXIT_REASON_VMPTRST 22
-#define EXIT_REASON_VMREAD 23
-#define EXIT_REASON_VMRESUME 24
-#define EXIT_REASON_VMWRITE 25
-#define EXIT_REASON_VMOFF 26
-#define EXIT_REASON_VMON 27
-#define EXIT_REASON_CR_ACCESS 28
-#define EXIT_REASON_DR_ACCESS 29
-#define EXIT_REASON_IO_INSTRUCTION 30
-#define EXIT_REASON_MSR_READ 31
-#define EXIT_REASON_MSR_WRITE 32
-#define EXIT_REASON_INVALID_STATE 33
-#define EXIT_REASON_MWAIT_INSTRUCTION 36
-#define EXIT_REASON_MONITOR_INSTRUCTION 39
-#define EXIT_REASON_PAUSE_INSTRUCTION 40
-#define EXIT_REASON_MCE_DURING_VMENTRY 41
-#define EXIT_REASON_TPR_BELOW_THRESHOLD 43
-#define EXIT_REASON_APIC_ACCESS 44
-#define EXIT_REASON_EPT_VIOLATION 48
-#define EXIT_REASON_EPT_MISCONFIG 49
-#define EXIT_REASON_WBINVD 54
-#define EXIT_REASON_XSETBV 55
-#define EXIT_REASON_INVPCID 58
-
/*
* Interruption-information format
*/
@@ -488,3 +527,5 @@ enum vm_instruction_error_number {
};
#endif
+
+#endif
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index a71faf727ff3..bca63f04dccb 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -183,95 +183,6 @@ TRACE_EVENT(kvm_apic,
#define KVM_ISA_VMX 1
#define KVM_ISA_SVM 2
-#define VMX_EXIT_REASONS \
- { EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
- { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, \
- { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, \
- { EXIT_REASON_PENDING_INTERRUPT, "PENDING_INTERRUPT" }, \
- { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, \
- { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \
- { EXIT_REASON_CPUID, "CPUID" }, \
- { EXIT_REASON_HLT, "HLT" }, \
- { EXIT_REASON_INVLPG, "INVLPG" }, \
- { EXIT_REASON_RDPMC, "RDPMC" }, \
- { EXIT_REASON_RDTSC, "RDTSC" }, \
- { EXIT_REASON_VMCALL, "VMCALL" }, \
- { EXIT_REASON_VMCLEAR, "VMCLEAR" }, \
- { EXIT_REASON_VMLAUNCH, "VMLAUNCH" }, \
- { EXIT_REASON_VMPTRLD, "VMPTRLD" }, \
- { EXIT_REASON_VMPTRST, "VMPTRST" }, \
- { EXIT_REASON_VMREAD, "VMREAD" }, \
- { EXIT_REASON_VMRESUME, "VMRESUME" }, \
- { EXIT_REASON_VMWRITE, "VMWRITE" }, \
- { EXIT_REASON_VMOFF, "VMOFF" }, \
- { EXIT_REASON_VMON, "VMON" }, \
- { EXIT_REASON_CR_ACCESS, "CR_ACCESS" }, \
- { EXIT_REASON_DR_ACCESS, "DR_ACCESS" }, \
- { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, \
- { EXIT_REASON_MSR_READ, "MSR_READ" }, \
- { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, \
- { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, \
- { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, \
- { EXIT_REASON_PAUSE_INSTRUCTION, "PAUSE_INSTRUCTION" }, \
- { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, \
- { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, \
- { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, \
- { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, \
- { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, \
- { EXIT_REASON_WBINVD, "WBINVD" }
-
-#define SVM_EXIT_REASONS \
- { SVM_EXIT_READ_CR0, "read_cr0" }, \
- { SVM_EXIT_READ_CR3, "read_cr3" }, \
- { SVM_EXIT_READ_CR4, "read_cr4" }, \
- { SVM_EXIT_READ_CR8, "read_cr8" }, \
- { SVM_EXIT_WRITE_CR0, "write_cr0" }, \
- { SVM_EXIT_WRITE_CR3, "write_cr3" }, \
- { SVM_EXIT_WRITE_CR4, "write_cr4" }, \
- { SVM_EXIT_WRITE_CR8, "write_cr8" }, \
- { SVM_EXIT_READ_DR0, "read_dr0" }, \
- { SVM_EXIT_READ_DR1, "read_dr1" }, \
- { SVM_EXIT_READ_DR2, "read_dr2" }, \
- { SVM_EXIT_READ_DR3, "read_dr3" }, \
- { SVM_EXIT_WRITE_DR0, "write_dr0" }, \
- { SVM_EXIT_WRITE_DR1, "write_dr1" }, \
- { SVM_EXIT_WRITE_DR2, "write_dr2" }, \
- { SVM_EXIT_WRITE_DR3, "write_dr3" }, \
- { SVM_EXIT_WRITE_DR5, "write_dr5" }, \
- { SVM_EXIT_WRITE_DR7, "write_dr7" }, \
- { SVM_EXIT_EXCP_BASE + DB_VECTOR, "DB excp" }, \
- { SVM_EXIT_EXCP_BASE + BP_VECTOR, "BP excp" }, \
- { SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" }, \
- { SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" }, \
- { SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" }, \
- { SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" }, \
- { SVM_EXIT_INTR, "interrupt" }, \
- { SVM_EXIT_NMI, "nmi" }, \
- { SVM_EXIT_SMI, "smi" }, \
- { SVM_EXIT_INIT, "init" }, \
- { SVM_EXIT_VINTR, "vintr" }, \
- { SVM_EXIT_CPUID, "cpuid" }, \
- { SVM_EXIT_INVD, "invd" }, \
- { SVM_EXIT_HLT, "hlt" }, \
- { SVM_EXIT_INVLPG, "invlpg" }, \
- { SVM_EXIT_INVLPGA, "invlpga" }, \
- { SVM_EXIT_IOIO, "io" }, \
- { SVM_EXIT_MSR, "msr" }, \
- { SVM_EXIT_TASK_SWITCH, "task_switch" }, \
- { SVM_EXIT_SHUTDOWN, "shutdown" }, \
- { SVM_EXIT_VMRUN, "vmrun" }, \
- { SVM_EXIT_VMMCALL, "hypercall" }, \
- { SVM_EXIT_VMLOAD, "vmload" }, \
- { SVM_EXIT_VMSAVE, "vmsave" }, \
- { SVM_EXIT_STGI, "stgi" }, \
- { SVM_EXIT_CLGI, "clgi" }, \
- { SVM_EXIT_SKINIT, "skinit" }, \
- { SVM_EXIT_WBINVD, "wbinvd" }, \
- { SVM_EXIT_MONITOR, "monitor" }, \
- { SVM_EXIT_MWAIT, "mwait" }, \
- { SVM_EXIT_XSETBV, "xsetbv" }, \
- { SVM_EXIT_NPF, "npf" }
-
/*
* Tracepoint for kvm guest exit:
*/
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 77ebeb8266f4..47264b4652b9 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -31,6 +31,7 @@
#include <ctype.h>
#include <errno.h>
#include <stdint.h>
+#include <limits.h>
#include "event-parse.h"
#include "event-utils.h"
@@ -117,14 +118,7 @@ void breakpoint(void)
struct print_arg *alloc_arg(void)
{
- struct print_arg *arg;
-
- arg = malloc_or_die(sizeof(*arg));
- if (!arg)
- return NULL;
- memset(arg, 0, sizeof(*arg));
-
- return arg;
+ return calloc(1, sizeof(struct print_arg));
}
struct cmdline {
@@ -158,7 +152,9 @@ static int cmdline_init(struct pevent *pevent)
struct cmdline *cmdlines;
int i;
- cmdlines = malloc_or_die(sizeof(*cmdlines) * pevent->cmdline_count);
+ cmdlines = malloc(sizeof(*cmdlines) * pevent->cmdline_count);
+ if (!cmdlines)
+ return -1;
i = 0;
while (cmdlist) {
@@ -186,8 +182,8 @@ static char *find_cmdline(struct pevent *pevent, int pid)
if (!pid)
return "<idle>";
- if (!pevent->cmdlines)
- cmdline_init(pevent);
+ if (!pevent->cmdlines && cmdline_init(pevent))
+ return "<not enough memory for cmdlines!>";
key.pid = pid;
@@ -215,8 +211,8 @@ int pevent_pid_is_registered(struct pevent *pevent, int pid)
if (!pid)
return 1;
- if (!pevent->cmdlines)
- cmdline_init(pevent);
+ if (!pevent->cmdlines && cmdline_init(pevent))
+ return 0;
key.pid = pid;
@@ -258,10 +254,14 @@ static int add_new_comm(struct pevent *pevent, const char *comm, int pid)
return -1;
}
- cmdlines[pevent->cmdline_count].pid = pid;
cmdlines[pevent->cmdline_count].comm = strdup(comm);
- if (!cmdlines[pevent->cmdline_count].comm)
- die("malloc comm");
+ if (!cmdlines[pevent->cmdline_count].comm) {
+ free(cmdlines);
+ errno = ENOMEM;
+ return -1;
+ }
+
+ cmdlines[pevent->cmdline_count].pid = pid;
if (cmdlines[pevent->cmdline_count].comm)
pevent->cmdline_count++;
@@ -288,10 +288,15 @@ int pevent_register_comm(struct pevent *pevent, const char *comm, int pid)
if (pevent->cmdlines)
return add_new_comm(pevent, comm, pid);
- item = malloc_or_die(sizeof(*item));
+ item = malloc(sizeof(*item));
+ if (!item)
+ return -1;
+
item->comm = strdup(comm);
- if (!item->comm)
- die("malloc comm");
+ if (!item->comm) {
+ free(item);
+ return -1;
+ }
item->pid = pid;
item->next = pevent->cmdlist;
@@ -355,7 +360,10 @@ static int func_map_init(struct pevent *pevent)
struct func_map *func_map;
int i;
- func_map = malloc_or_die(sizeof(*func_map) * (pevent->func_count + 1));
+ func_map = malloc(sizeof(*func_map) * (pevent->func_count + 1));
+ if (!func_map)
+ return -1;
+
funclist = pevent->funclist;
i = 0;
@@ -455,25 +463,36 @@ pevent_find_function_address(struct pevent *pevent, unsigned long long addr)
int pevent_register_function(struct pevent *pevent, char *func,
unsigned long long addr, char *mod)
{
- struct func_list *item;
+ struct func_list *item = malloc(sizeof(*item));
- item = malloc_or_die(sizeof(*item));
+ if (!item)
+ return -1;
item->next = pevent->funclist;
item->func = strdup(func);
- if (mod)
+ if (!item->func)
+ goto out_free;
+
+ if (mod) {
item->mod = strdup(mod);
- else
+ if (!item->mod)
+ goto out_free_func;
+ } else
item->mod = NULL;
item->addr = addr;
- if (!item->func || (mod && !item->mod))
- die("malloc func");
-
pevent->funclist = item;
pevent->func_count++;
return 0;
+
+out_free_func:
+ free(item->func);
+ item->func = NULL;
+out_free:
+ free(item);
+ errno = ENOMEM;
+ return -1;
}
/**
@@ -524,14 +543,16 @@ static int printk_cmp(const void *a, const void *b)
return 0;
}
-static void printk_map_init(struct pevent *pevent)
+static int printk_map_init(struct pevent *pevent)
{
struct printk_list *printklist;
struct printk_list *item;
struct printk_map *printk_map;
int i;
- printk_map = malloc_or_die(sizeof(*printk_map) * (pevent->printk_count + 1));
+ printk_map = malloc(sizeof(*printk_map) * (pevent->printk_count + 1));
+ if (!printk_map)
+ return -1;
printklist = pevent->printklist;
@@ -549,6 +570,8 @@ static void printk_map_init(struct pevent *pevent)
pevent->printk_map = printk_map;
pevent->printklist = NULL;
+
+ return 0;
}
static struct printk_map *
@@ -557,8 +580,8 @@ find_printk(struct pevent *pevent, unsigned long long addr)
struct printk_map *printk;
struct printk_map key;
- if (!pevent->printk_map)
- printk_map_init(pevent);
+ if (!pevent->printk_map && printk_map_init(pevent))
+ return NULL;
key.addr = addr;
@@ -580,21 +603,27 @@ find_printk(struct pevent *pevent, unsigned long long addr)
int pevent_register_print_string(struct pevent *pevent, char *fmt,
unsigned long long addr)
{
- struct printk_list *item;
+ struct printk_list *item = malloc(sizeof(*item));
- item = malloc_or_die(sizeof(*item));
+ if (!item)
+ return -1;
item->next = pevent->printklist;
- item->printk = strdup(fmt);
item->addr = addr;
+ item->printk = strdup(fmt);
if (!item->printk)
- die("malloc fmt");
+ goto out_free;
pevent->printklist = item;
pevent->printk_count++;
return 0;
+
+out_free:
+ free(item);
+ errno = ENOMEM;
+ return -1;
}
/**
@@ -619,24 +648,18 @@ void pevent_print_printk(struct pevent *pevent)
static struct event_format *alloc_event(void)
{
- struct event_format *event;
-
- event = malloc(sizeof(*event));
- if (!event)
- return NULL;
- memset(event, 0, sizeof(*event));
-
- return event;
+ return calloc(1, sizeof(struct event_format));
}
-static void add_event(struct pevent *pevent, struct event_format *event)
+static int add_event(struct pevent *pevent, struct event_format *event)
{
int i;
+ struct event_format **events = realloc(pevent->events, sizeof(event) *
+ (pevent->nr_events + 1));
+ if (!events)
+ return -1;
- pevent->events = realloc(pevent->events, sizeof(event) *
- (pevent->nr_events + 1));
- if (!pevent->events)
- die("Can not allocate events");
+ pevent->events = events;
for (i = 0; i < pevent->nr_events; i++) {
if (pevent->events[i]->id > event->id)
@@ -651,6 +674,8 @@ static void add_event(struct pevent *pevent, struct event_format *event)
pevent->nr_events++;
event->pevent = pevent;
+
+ return 0;
}
static int event_item_type(enum event_type type)
@@ -827,9 +852,9 @@ static enum event_type __read_token(char **tok)
switch (type) {
case EVENT_NEWLINE:
case EVENT_DELIM:
- *tok = malloc_or_die(2);
- (*tok)[0] = ch;
- (*tok)[1] = 0;
+ if (asprintf(tok, "%c", ch) < 0)
+ return EVENT_ERROR;
+
return type;
case EVENT_OP:
@@ -1240,8 +1265,10 @@ static int event_read_fields(struct event_format *event, struct format_field **f
last_token = token;
- field = malloc_or_die(sizeof(*field));
- memset(field, 0, sizeof(*field));
+ field = calloc(1, sizeof(*field));
+ if (!field)
+ goto fail;
+
field->event = event;
/* read the rest of the type */
@@ -1282,7 +1309,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f
}
if (!field->type) {
- die("no type found");
+ do_warning("%s: no type found", __func__);
goto fail;
}
field->name = last_token;
@@ -1329,7 +1356,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f
free_token(token);
type = read_token(&token);
if (type == EVENT_NONE) {
- die("failed to find token");
+ do_warning("failed to find token");
goto fail;
}
}
@@ -1538,6 +1565,14 @@ process_cond(struct event_format *event, struct print_arg *top, char **tok)
left = alloc_arg();
right = alloc_arg();
+ if (!arg || !left || !right) {
+ do_warning("%s: not enough memory!", __func__);
+ /* arg will be freed at out_free */
+ free_arg(left);
+ free_arg(right);
+ goto out_free;
+ }
+
arg->type = PRINT_OP;
arg->op.left = left;
arg->op.right = right;
@@ -1580,6 +1615,12 @@ process_array(struct event_format *event, struct print_arg *top, char **tok)
char *token = NULL;
arg = alloc_arg();
+ if (!arg) {
+ do_warning("%s: not enough memory!", __func__);
+ /* '*tok' is set to top->op.op. No need to free. */
+ *tok = NULL;
+ return EVENT_ERROR;
+ }
*tok = NULL;
type = process_arg(event, arg, &token);
@@ -1595,8 +1636,7 @@ process_array(struct event_format *event, struct print_arg *top, char **tok)
return type;
out_free:
- free_token(*tok);
- *tok = NULL;
+ free_token(token);
free_arg(arg);
return EVENT_ERROR;
}
@@ -1682,7 +1722,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
if (arg->type == PRINT_OP && !arg->op.left) {
/* handle single op */
if (token[1]) {
- die("bad op token %s", token);
+ do_warning("bad op token %s", token);
goto out_free;
}
switch (token[0]) {
@@ -1699,10 +1739,16 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
/* make an empty left */
left = alloc_arg();
+ if (!left)
+ goto out_warn_free;
+
left->type = PRINT_NULL;
arg->op.left = left;
right = alloc_arg();
+ if (!right)
+ goto out_warn_free;
+
arg->op.right = right;
/* do not free the token, it belongs to an op */
@@ -1712,6 +1758,9 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
} else if (strcmp(token, "?") == 0) {
left = alloc_arg();
+ if (!left)
+ goto out_warn_free;
+
/* copy the top arg to the left */
*left = *arg;
@@ -1720,6 +1769,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
arg->op.left = left;
arg->op.prio = 0;
+ /* it will set arg->op.right */
type = process_cond(event, arg, tok);
} else if (strcmp(token, ">>") == 0 ||
@@ -1739,6 +1789,8 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
strcmp(token, "!=") == 0) {
left = alloc_arg();
+ if (!left)
+ goto out_warn_free;
/* copy the top arg to the left */
*left = *arg;
@@ -1746,6 +1798,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
arg->type = PRINT_OP;
arg->op.op = token;
arg->op.left = left;
+ arg->op.right = NULL;
if (set_op_prio(arg) == -1) {
event->flags |= EVENT_FL_FAILED;
@@ -1762,12 +1815,14 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
type == EVENT_DELIM && (strcmp(token, ")") == 0)) {
char *new_atom;
- if (left->type != PRINT_ATOM)
- die("bad pointer type");
+ if (left->type != PRINT_ATOM) {
+ do_warning("bad pointer type");
+ goto out_free;
+ }
new_atom = realloc(left->atom.atom,
strlen(left->atom.atom) + 3);
if (!new_atom)
- goto out_free;
+ goto out_warn_free;
left->atom.atom = new_atom;
strcat(left->atom.atom, " *");
@@ -1779,12 +1834,18 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
}
right = alloc_arg();
+ if (!right)
+ goto out_warn_free;
+
type = process_arg_token(event, right, tok, type);
arg->op.right = right;
} else if (strcmp(token, "[") == 0) {
left = alloc_arg();
+ if (!left)
+ goto out_warn_free;
+
*left = *arg;
arg->type = PRINT_OP;
@@ -1793,6 +1854,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
arg->op.prio = 0;
+ /* it will set arg->op.right */
type = process_array(event, arg, tok);
} else {
@@ -1816,7 +1878,9 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
return type;
- out_free:
+out_warn_free:
+ do_warning("%s: not enough memory!", __func__);
+out_free:
free_token(token);
*tok = NULL;
return EVENT_ERROR;
@@ -1880,7 +1944,11 @@ eval_type_str(unsigned long long val, const char *type, int pointer)
return val;
}
- ref = malloc_or_die(len);
+ ref = malloc(len);
+ if (!ref) {
+ do_warning("%s: not enough memory!", __func__);
+ return val;
+ }
memcpy(ref, type, len);
/* chop off the " *" */
@@ -1957,8 +2025,10 @@ eval_type_str(unsigned long long val, const char *type, int pointer)
static unsigned long long
eval_type(unsigned long long val, struct print_arg *arg, int pointer)
{
- if (arg->type != PRINT_TYPE)
- die("expected type argument");
+ if (arg->type != PRINT_TYPE) {
+ do_warning("expected type argument");
+ return 0;
+ }
return eval_type_str(val, arg->typecast.type, pointer);
}
@@ -2143,7 +2213,7 @@ static char *arg_eval (struct print_arg *arg)
case PRINT_STRING:
case PRINT_BSTRING:
default:
- die("invalid eval type %d", arg->type);
+ do_warning("invalid eval type %d", arg->type);
break;
}
@@ -2166,6 +2236,8 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
break;
arg = alloc_arg();
+ if (!arg)
+ goto out_free;
free_token(token);
type = process_arg(event, arg, &token);
@@ -2179,30 +2251,33 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;
- field = malloc_or_die(sizeof(*field));
- memset(field, 0, sizeof(*field));
+ field = calloc(1, sizeof(*field));
+ if (!field)
+ goto out_free;
value = arg_eval(arg);
if (value == NULL)
- goto out_free;
+ goto out_free_field;
field->value = strdup(value);
if (field->value == NULL)
- goto out_free;
+ goto out_free_field;
free_arg(arg);
arg = alloc_arg();
+ if (!arg)
+ goto out_free;
free_token(token);
type = process_arg(event, arg, &token);
if (test_type_token(type, token, EVENT_OP, "}"))
- goto out_free;
+ goto out_free_field;
value = arg_eval(arg);
if (value == NULL)
- goto out_free;
+ goto out_free_field;
field->str = strdup(value);
if (field->str == NULL)
- goto out_free;
+ goto out_free_field;
free_arg(arg);
arg = NULL;
@@ -2216,6 +2291,8 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
*tok = token;
return type;
+out_free_field:
+ free_flag_sym(field);
out_free:
free_arg(arg);
free_token(token);
@@ -2235,6 +2312,10 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
arg->type = PRINT_FLAGS;
field = alloc_arg();
+ if (!field) {
+ do_warning("%s: not enough memory!", __func__);
+ goto out_free;
+ }
type = process_arg(event, field, &token);
@@ -2243,7 +2324,7 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
type = process_op(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
- goto out_free;
+ goto out_free_field;
free_token(token);
arg->flags.field = field;
@@ -2265,7 +2346,9 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
type = read_token_item(tok);
return type;
- out_free:
+out_free_field:
+ free_arg(field);
+out_free:
free_token(token);
*tok = NULL;
return EVENT_ERROR;
@@ -2282,10 +2365,14 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
arg->type = PRINT_SYMBOL;
field = alloc_arg();
+ if (!field) {
+ do_warning("%s: not enough memory!", __func__);
+ goto out_free;
+ }
type = process_arg(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
- goto out_free;
+ goto out_free_field;
arg->symbol.field = field;
@@ -2297,7 +2384,9 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
type = read_token_item(tok);
return type;
- out_free:
+out_free_field:
+ free_arg(field);
+out_free:
free_token(token);
*tok = NULL;
return EVENT_ERROR;
@@ -2314,6 +2403,11 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok)
arg->type = PRINT_HEX;
field = alloc_arg();
+ if (!field) {
+ do_warning("%s: not enough memory!", __func__);
+ goto out_free;
+ }
+
type = process_arg(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
@@ -2324,6 +2418,12 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok)
free_token(token);
field = alloc_arg();
+ if (!field) {
+ do_warning("%s: not enough memory!", __func__);
+ *tok = NULL;
+ return EVENT_ERROR;
+ }
+
type = process_arg(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ")"))
@@ -2381,6 +2481,12 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char **
free_token(token);
arg = alloc_arg();
+ if (!field) {
+ do_warning("%s: not enough memory!", __func__);
+ *tok = NULL;
+ return EVENT_ERROR;
+ }
+
type = process_arg(event, arg, &token);
if (type == EVENT_ERROR)
goto out_free_arg;
@@ -2434,10 +2540,16 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok)
/* make this a typecast and contine */
/* prevous must be an atom */
- if (arg->type != PRINT_ATOM)
- die("previous needed to be PRINT_ATOM");
+ if (arg->type != PRINT_ATOM) {
+ do_warning("previous needed to be PRINT_ATOM");
+ goto out_free;
+ }
item_arg = alloc_arg();
+ if (!item_arg) {
+ do_warning("%s: not enough memory!", __func__);
+ goto out_free;
+ }
arg->type = PRINT_TYPE;
arg->typecast.type = arg->atom.atom;
@@ -2533,6 +2645,11 @@ process_func_handler(struct event_format *event, struct pevent_function_handler
next_arg = &(arg->func.args);
for (i = 0; i < func->nr_args; i++) {
farg = alloc_arg();
+ if (!farg) {
+ do_warning("%s: not enough memory!", __func__);
+ return EVENT_ERROR;
+ }
+
type = process_arg(event, farg, &token);
if (i < (func->nr_args - 1))
test = ",";
@@ -2677,7 +2794,8 @@ process_arg_token(struct event_format *event, struct print_arg *arg,
case EVENT_ERROR ... EVENT_NEWLINE:
default:
- die("unexpected type %d", type);
+ do_warning("unexpected type %d", type);
+ return EVENT_ERROR;
}
*tok = token;
@@ -2698,6 +2816,10 @@ static int event_read_print_args(struct event_format *event, struct print_arg **
}
arg = alloc_arg();
+ if (!arg) {
+ do_warning("%s: not enough memory!", __func__);
+ return -1;
+ }
type = process_arg(event, arg, &token);
@@ -2769,10 +2891,8 @@ static int event_read_print(struct event_format *event)
if (type == EVENT_DQUOTE) {
char *cat;
- cat = malloc_or_die(strlen(event->print_fmt.format) +
- strlen(token) + 1);
- strcpy(cat, event->print_fmt.format);
- strcat(cat, token);
+ if (asprintf(&cat, "%s%s", event->print_fmt.format, token) < 0)
+ goto fail;
free_token(token);
free_token(event->print_fmt.format);
event->print_fmt.format = NULL;
@@ -2926,8 +3046,10 @@ static int get_common_info(struct pevent *pevent,
* All events should have the same common elements.
* Pick any event to find where the type is;
*/
- if (!pevent->events)
- die("no event_list!");
+ if (!pevent->events) {
+ do_warning("no event_list!");
+ return -1;
+ }
event = pevent->events[0];
field = pevent_find_common_field(event, type);
@@ -3085,7 +3207,8 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
if (!arg->field.field) {
arg->field.field = pevent_find_any_field(event, arg->field.name);
if (!arg->field.field)
- die("field %s not found", arg->field.name);
+ goto out_warning_field;
+
}
/* must be a number */
val = pevent_read_number(pevent, data + arg->field.field->offset,
@@ -3146,8 +3269,10 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
if (!larg->field.field) {
larg->field.field =
pevent_find_any_field(event, larg->field.name);
- if (!larg->field.field)
- die("field %s not found", larg->field.name);
+ if (!larg->field.field) {
+ arg = larg;
+ goto out_warning_field;
+ }
}
field_size = larg->field.field->elementsize;
offset = larg->field.field->offset +
@@ -3183,7 +3308,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
val = left != right;
break;
default:
- die("unknown op '%s'", arg->op.op);
+ goto out_warning_op;
}
break;
case '~':
@@ -3213,7 +3338,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
val = left <= right;
break;
default:
- die("unknown op '%s'", arg->op.op);
+ goto out_warning_op;
}
break;
case '>':
@@ -3228,12 +3353,13 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
val = left >= right;
break;
default:
- die("unknown op '%s'", arg->op.op);
+ goto out_warning_op;
}
break;
case '=':
if (arg->op.op[1] != '=')
- die("unknown op '%s'", arg->op.op);
+ goto out_warning_op;
+
val = left == right;
break;
case '-':
@@ -3249,13 +3375,21 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
val = left * right;
break;
default:
- die("unknown op '%s'", arg->op.op);
+ goto out_warning_op;
}
break;
default: /* not sure what to do there */
return 0;
}
return val;
+
+out_warning_op:
+ do_warning("%s: unknown op '%s'", __func__, arg->op.op);
+ return 0;
+
+out_warning_field:
+ do_warning("%s: field %s not found", __func__, arg->field.name);
+ return 0;
}
struct flag {
@@ -3332,8 +3466,10 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
field = arg->field.field;
if (!field) {
field = pevent_find_any_field(event, arg->field.name);
- if (!field)
- die("field %s not found", arg->field.name);
+ if (!field) {
+ str = arg->field.name;
+ goto out_warning_field;
+ }
arg->field.field = field;
}
/* Zero sized fields, mean the rest of the data */
@@ -3350,7 +3486,11 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
trace_seq_printf(s, "%lx", addr);
break;
}
- str = malloc_or_die(len + 1);
+ str = malloc(len + 1);
+ if (!str) {
+ do_warning("%s: not enough memory!", __func__);
+ return;
+ }
memcpy(str, data + field->offset, len);
str[len] = 0;
print_str_to_seq(s, format, len_arg, str);
@@ -3390,7 +3530,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
str = arg->hex.field->field.name;
field = pevent_find_any_field(event, str);
if (!field)
- die("field %s not found", str);
+ goto out_warning_field;
arg->hex.field->field.field = field;
}
hex = data + field->offset;
@@ -3442,6 +3582,11 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
/* well... */
break;
}
+
+ return;
+
+out_warning_field:
+ do_warning("%s: field %s not found", __func__, arg->field.name);
}
static unsigned long long
@@ -3468,7 +3613,11 @@ process_defined_func(struct trace_seq *s, void *data, int size,
farg = arg->func.args;
param = func_handle->params;
- args = malloc_or_die(sizeof(*args) * func_handle->nr_args);
+ ret = ULLONG_MAX;
+ args = malloc(sizeof(*args) * func_handle->nr_args);
+ if (!args)
+ goto out;
+
for (i = 0; i < func_handle->nr_args; i++) {
switch (param->type) {
case PEVENT_FUNC_ARG_INT:
@@ -3480,12 +3629,18 @@ process_defined_func(struct trace_seq *s, void *data, int size,
trace_seq_init(&str);
print_str_arg(&str, data, size, event, "%s", -1, farg);
trace_seq_terminate(&str);
- string = malloc_or_die(sizeof(*string));
+ string = malloc(sizeof(*string));
+ if (!string) {
+ do_warning("%s(%d): malloc str", __func__, __LINE__);
+ goto out_free;
+ }
string->next = strings;
string->str = strdup(str.buffer);
- if (!string->str)
- die("malloc str");
-
+ if (!string->str) {
+ free(string);
+ do_warning("%s(%d): malloc str", __func__, __LINE__);
+ goto out_free;
+ }
args[i] = (uintptr_t)string->str;
strings = string;
trace_seq_destroy(&str);
@@ -3495,14 +3650,15 @@ process_defined_func(struct trace_seq *s, void *data, int size,
* Something went totally wrong, this is not
* an input error, something in this code broke.
*/
- die("Unexpected end of arguments\n");
- break;
+ do_warning("Unexpected end of arguments\n");
+ goto out_free;
}
farg = farg->next;
param = param->next;
}
ret = (*func_handle->func)(s, args);
+out_free:
free(args);
while (strings) {
string = strings;
@@ -3516,6 +3672,18 @@ process_defined_func(struct trace_seq *s, void *data, int size,
return ret;
}
+static void free_args(struct print_arg *args)
+{
+ struct print_arg *next;
+
+ while (args) {
+ next = args->next;
+
+ free_arg(args);
+ args = next;
+ }
+}
+
static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struct event_format *event)
{
struct pevent *pevent = event->pevent;
@@ -3531,11 +3699,15 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
if (!field) {
field = pevent_find_field(event, "buf");
- if (!field)
- die("can't find buffer field for binary printk");
+ if (!field) {
+ do_warning("can't find buffer field for binary printk");
+ return NULL;
+ }
ip_field = pevent_find_field(event, "ip");
- if (!ip_field)
- die("can't find ip field for binary printk");
+ if (!ip_field) {
+ do_warning("can't find ip field for binary printk");
+ return NULL;
+ }
pevent->bprint_buf_field = field;
pevent->bprint_ip_field = ip_field;
}
@@ -3546,13 +3718,18 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
* The first arg is the IP pointer.
*/
args = alloc_arg();
+ if (!args) {
+ do_warning("%s(%d): not enough memory!", __func__, __LINE__);
+ return NULL;
+ }
arg = args;
arg->next = NULL;
next = &arg->next;
arg->type = PRINT_ATOM;
- arg->atom.atom = malloc_or_die(32);
- sprintf(arg->atom.atom, "%lld", ip);
+
+ if (asprintf(&arg->atom.atom, "%lld", ip) < 0)
+ goto out_free;
/* skip the first "%pf : " */
for (ptr = fmt + 6, bptr = data + field->offset;
@@ -3607,10 +3784,17 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
val = pevent_read_number(pevent, bptr, vsize);
bptr += vsize;
arg = alloc_arg();
+ if (!arg) {
+ do_warning("%s(%d): not enough memory!",
+ __func__, __LINE__);
+ goto out_free;
+ }
arg->next = NULL;
arg->type = PRINT_ATOM;
- arg->atom.atom = malloc_or_die(32);
- sprintf(arg->atom.atom, "%lld", val);
+ if (asprintf(&arg->atom.atom, "%lld", val) < 0) {
+ free(arg);
+ goto out_free;
+ }
*next = arg;
next = &arg->next;
/*
@@ -3623,11 +3807,16 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
break;
case 's':
arg = alloc_arg();
+ if (!arg) {
+ do_warning("%s(%d): not enough memory!",
+ __func__, __LINE__);
+ goto out_free;
+ }
arg->next = NULL;
arg->type = PRINT_BSTRING;
arg->string.string = strdup(bptr);
if (!arg->string.string)
- break;
+ goto out_free;
bptr += strlen(bptr) + 1;
*next = arg;
next = &arg->next;
@@ -3638,18 +3827,10 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
}
return args;
-}
-static void free_args(struct print_arg *args)
-{
- struct print_arg *next;
-
- while (args) {
- next = args->next;
-
- free_arg(args);
- args = next;
- }
+out_free:
+ free_args(args);
+ return NULL;
}
static char *
@@ -3667,8 +3848,10 @@ get_bprint_format(void *data, int size __maybe_unused,
if (!field) {
field = pevent_find_field(event, "fmt");
- if (!field)
- die("can't find format field for binary printk");
+ if (!field) {
+ do_warning("can't find format field for binary printk");
+ return NULL;
+ }
pevent->bprint_fmt_field = field;
}
@@ -3676,9 +3859,8 @@ get_bprint_format(void *data, int size __maybe_unused,
printk = find_printk(pevent, addr);
if (!printk) {
- format = malloc_or_die(45);
- sprintf(format, "%%pf : (NO FORMAT FOUND at %llx)\n",
- addr);
+ if (asprintf(&format, "%%pf : (NO FORMAT FOUND at %llx)\n", addr) < 0)
+ return NULL;
return format;
}
@@ -3686,8 +3868,8 @@ get_bprint_format(void *data, int size __maybe_unused,
/* Remove any quotes. */
if (*p == '"')
p++;
- format = malloc_or_die(strlen(p) + 10);
- sprintf(format, "%s : %s", "%pf", p);
+ if (asprintf(&format, "%s : %s", "%pf", p) < 0)
+ return NULL;
/* remove ending quotes and new line since we will add one too */
p = format + strlen(format) - 1;
if (*p == '"')
@@ -3722,8 +3904,11 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
if (!arg->field.field) {
arg->field.field =
pevent_find_any_field(event, arg->field.name);
- if (!arg->field.field)
- die("field %s not found", arg->field.name);
+ if (!arg->field.field) {
+ do_warning("%s: field %s not found",
+ __func__, arg->field.name);
+ return;
+ }
}
if (arg->field.field->size != 6) {
trace_seq_printf(s, "INVALIDMAC");
@@ -4379,7 +4564,10 @@ get_event_fields(const char *type, const char *name,
struct format_field *field;
int i = 0;
- fields = malloc_or_die(sizeof(*fields) * (count + 1));
+ fields = malloc(sizeof(*fields) * (count + 1));
+ if (!fields)
+ return NULL;
+
for (field = list; field; field = field->next) {
fields[i++] = field;
if (i == count + 1) {
@@ -4695,8 +4883,7 @@ static int find_event_handle(struct pevent *pevent, struct event_format *event)
}
/**
- * pevent_parse_event - parse the event format
- * @pevent: the handle to the pevent
+ * __pevent_parse_format - parse the event format
* @buf: the buffer storing the event format string
* @size: the size of @buf
* @sys: the system the event belongs to
@@ -4708,15 +4895,16 @@ static int find_event_handle(struct pevent *pevent, struct event_format *event)
*
* /sys/kernel/debug/tracing/events/.../.../format
*/
-enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
- unsigned long size, const char *sys)
+enum pevent_errno __pevent_parse_format(struct event_format **eventp,
+ struct pevent *pevent, const char *buf,
+ unsigned long size, const char *sys)
{
struct event_format *event;
int ret;
init_input_buf(buf, size);
- event = alloc_event();
+ *eventp = event = alloc_event();
if (!event)
return PEVENT_ERRNO__MEM_ALLOC_FAILED;
@@ -4750,9 +4938,6 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
goto event_alloc_failed;
}
- /* Add pevent to event so that it can be referenced */
- event->pevent = pevent;
-
ret = event_read_format(event);
if (ret < 0) {
ret = PEVENT_ERRNO__READ_FORMAT_FAILED;
@@ -4763,18 +4948,16 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
* If the event has an override, don't print warnings if the event
* print format fails to parse.
*/
- if (find_event_handle(pevent, event))
+ if (pevent && find_event_handle(pevent, event))
show_warning = 0;
ret = event_read_print(event);
+ show_warning = 1;
+
if (ret < 0) {
- show_warning = 1;
ret = PEVENT_ERRNO__READ_PRINT_FAILED;
goto event_parse_failed;
}
- show_warning = 1;
-
- add_event(pevent, event);
if (!ret && (event->flags & EVENT_FL_ISFTRACE)) {
struct format_field *field;
@@ -4784,6 +4967,10 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
list = &event->print_fmt.args;
for (field = event->format.fields; field; field = field->next) {
arg = alloc_arg();
+ if (!arg) {
+ event->flags |= EVENT_FL_FAILED;
+ return PEVENT_ERRNO__OLD_FTRACE_ARG_FAILED;
+ }
arg->type = PRINT_FIELD;
arg->field.name = strdup(field->name);
if (!arg->field.name) {
@@ -4798,22 +4985,78 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
return 0;
}
-#define PRINT_ARGS 0
- if (PRINT_ARGS && event->print_fmt.args)
- print_args(event->print_fmt.args);
-
return 0;
event_parse_failed:
event->flags |= EVENT_FL_FAILED;
- /* still add it even if it failed */
- add_event(pevent, event);
return ret;
event_alloc_failed:
free(event->system);
free(event->name);
free(event);
+ *eventp = NULL;
+ return ret;
+}
+
+/**
+ * pevent_parse_format - parse the event format
+ * @buf: the buffer storing the event format string
+ * @size: the size of @buf
+ * @sys: the system the event belongs to
+ *
+ * This parses the event format and creates an event structure
+ * to quickly parse raw data for a given event.
+ *
+ * These files currently come from:
+ *
+ * /sys/kernel/debug/tracing/events/.../.../format
+ */
+enum pevent_errno pevent_parse_format(struct event_format **eventp, const char *buf,
+ unsigned long size, const char *sys)
+{
+ return __pevent_parse_format(eventp, NULL, buf, size, sys);
+}
+
+/**
+ * pevent_parse_event - parse the event format
+ * @pevent: the handle to the pevent
+ * @buf: the buffer storing the event format string
+ * @size: the size of @buf
+ * @sys: the system the event belongs to
+ *
+ * This parses the event format and creates an event structure
+ * to quickly parse raw data for a given event.
+ *
+ * These files currently come from:
+ *
+ * /sys/kernel/debug/tracing/events/.../.../format
+ */
+enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
+ unsigned long size, const char *sys)
+{
+ struct event_format *event = NULL;
+ int ret = __pevent_parse_format(&event, pevent, buf, size, sys);
+
+ if (event == NULL)
+ return ret;
+
+ /* Add pevent to event so that it can be referenced */
+ event->pevent = pevent;
+
+ if (add_event(pevent, event)) {
+ ret = PEVENT_ERRNO__MEM_ALLOC_FAILED;
+ goto event_add_failed;
+ }
+
+#define PRINT_ARGS 0
+ if (PRINT_ARGS && event->print_fmt.args)
+ print_args(event->print_fmt.args);
+
+ return 0;
+
+event_add_failed:
+ pevent_free_format(event);
return ret;
}
@@ -5094,12 +5337,11 @@ int pevent_register_print_function(struct pevent *pevent,
remove_func_handler(pevent, name);
}
- func_handle = malloc(sizeof(*func_handle));
+ func_handle = calloc(1, sizeof(*func_handle));
if (!func_handle) {
do_warning("Failed to allocate function handler");
return PEVENT_ERRNO__MEM_ALLOC_FAILED;
}
- memset(func_handle, 0, sizeof(*func_handle));
func_handle->ret_type = ret_type;
func_handle->name = strdup(name);
@@ -5198,13 +5440,12 @@ int pevent_register_event_handler(struct pevent *pevent,
not_found:
/* Save for later use. */
- handle = malloc(sizeof(*handle));
+ handle = calloc(1, sizeof(*handle));
if (!handle) {
do_warning("Failed to allocate event handler");
return PEVENT_ERRNO__MEM_ALLOC_FAILED;
}
- memset(handle, 0, sizeof(*handle));
handle->id = id;
if (event_name)
handle->event_name = strdup(event_name);
@@ -5233,13 +5474,10 @@ int pevent_register_event_handler(struct pevent *pevent,
*/
struct pevent *pevent_alloc(void)
{
- struct pevent *pevent;
+ struct pevent *pevent = calloc(1, sizeof(*pevent));
- pevent = malloc(sizeof(*pevent));
- if (!pevent)
- return NULL;
- memset(pevent, 0, sizeof(*pevent));
- pevent->ref_count = 1;
+ if (pevent)
+ pevent->ref_count = 1;
return pevent;
}
@@ -5268,7 +5506,7 @@ static void free_formats(struct format *format)
free_format_fields(format->fields);
}
-static void free_event(struct event_format *event)
+void pevent_free_format(struct event_format *event)
{
free(event->name);
free(event->system);
@@ -5354,7 +5592,7 @@ void pevent_free(struct pevent *pevent)
}
for (i = 0; i < pevent->nr_events; i++)
- free_event(pevent->events[i]);
+ pevent_free_format(pevent->events[i]);
while (pevent->handlers) {
handle = pevent->handlers;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index a4bbe2437925..24a4bbabc5d5 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -540,6 +540,9 @@ int pevent_parse_header_page(struct pevent *pevent, char *buf, unsigned long siz
enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
unsigned long size, const char *sys);
+enum pevent_errno pevent_parse_format(struct event_format **eventp, const char *buf,
+ unsigned long size, const char *sys);
+void pevent_free_format(struct event_format *event);
void *pevent_get_field_raw(struct trace_seq *s, struct event_format *event,
const char *name, struct pevent_record *record,
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index dd84cb2f0a88..326f2cb333cb 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -12,7 +12,7 @@ SYNOPSIS
[--guestkallsyms=<path> --guestmodules=<path> | --guestvmlinux=<path>]]
{top|record|report|diff|buildid-list}
'perf kvm' [--host] [--guest] [--guestkallsyms=<path> --guestmodules=<path>
- | --guestvmlinux=<path>] {top|record|report|diff|buildid-list}
+ | --guestvmlinux=<path>] {top|record|report|diff|buildid-list|stat}
DESCRIPTION
-----------
@@ -38,6 +38,18 @@ There are a couple of variants of perf kvm:
so that other tools can be used to fetch packages with matching symbol tables
for use by perf report.
+ 'perf kvm stat <command>' to run a command and gather performance counter
+ statistics.
+ Especially, perf 'kvm stat record/report' generates a statistical analysis
+ of KVM events. Currently, vmexit, mmio and ioport events are supported.
+ 'perf kvm stat record <command>' records kvm events and the events between
+ start and end <command>.
+ And this command produces a file which contains tracing results of kvm
+ events.
+
+ 'perf kvm stat report' reports statistical data which includes events
+ handled time, samples, and so on.
+
OPTIONS
-------
-i::
@@ -68,7 +80,21 @@ OPTIONS
--guestvmlinux=<path>::
Guest os kernel vmlinux.
+STAT REPORT OPTIONS
+-------------------
+--vcpu=<value>::
+ analyze events which occures on this vcpu. (default: all vcpus)
+
+--events=<value>::
+ events to be analyzed. Possible values: vmexit, mmio, ioport.
+ (default: vmexit)
+-k::
+--key=<value>::
+ Sorting key. Possible values: sample (default, sort by samples
+ number), time (sort by average time).
+
SEE ALSO
--------
linkperf:perf-top[1], linkperf:perf-record[1], linkperf:perf-report[1],
-linkperf:perf-diff[1], linkperf:perf-buildid-list[1]
+linkperf:perf-diff[1], linkperf:perf-buildid-list[1],
+linkperf:perf-stat[1]
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 051807990938..80db3f4bcf7a 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -16,3 +16,6 @@ arch/*/lib/memset*.S
include/linux/poison.h
include/linux/magic.h
include/linux/hw_breakpoint.h
+arch/x86/include/asm/svm.h
+arch/x86/include/asm/vmx.h
+arch/x86/include/asm/kvm_host.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 5077f8e2ef72..251dcd7fb5ac 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -233,13 +233,13 @@ export PERL_PATH
FLEX = flex
BISON= bison
-$(OUTPUT)util/parse-events-flex.c: util/parse-events.l
+$(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-events-bison.c
$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
$(OUTPUT)util/parse-events-bison.c: util/parse-events.y
$(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c
-$(OUTPUT)util/pmu-flex.c: util/pmu.l
+$(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)util/pmu-bison.c
$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c
$(OUTPUT)util/pmu-bison.c: util/pmu.y
@@ -715,7 +715,7 @@ else
EXTLIBS += -liberty
BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
else
- FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd
+ FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
ifeq ($(has_bfd),y)
EXTLIBS += -lbfd
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index f5f8a6b745a3..bc912c68f49a 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1,6 +1,7 @@
#include "builtin.h"
#include "perf.h"
+#include "util/evlist.h"
#include "util/evsel.h"
#include "util/util.h"
#include "util/cache.h"
@@ -212,36 +213,38 @@ static int insert_caller_stat(unsigned long call_site,
}
static int perf_evsel__process_alloc_event(struct perf_evsel *evsel,
- struct perf_sample *sample, int node)
+ struct perf_sample *sample)
{
- struct event_format *event = evsel->tp_format;
- void *data = sample->raw_data;
- unsigned long call_site;
- unsigned long ptr;
- int bytes_req, cpu = sample->cpu;
- int bytes_alloc;
- int node1, node2;
-
- ptr = raw_field_value(event, "ptr", data);
- call_site = raw_field_value(event, "call_site", data);
- bytes_req = raw_field_value(event, "bytes_req", data);
- bytes_alloc = raw_field_value(event, "bytes_alloc", data);
-
- if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu) ||
+ unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"),
+ call_site = perf_evsel__intval(evsel, sample, "call_site");
+ int bytes_req = perf_evsel__intval(evsel, sample, "bytes_req"),
+ bytes_alloc = perf_evsel__intval(evsel, sample, "bytes_alloc");
+
+ if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, sample->cpu) ||
insert_caller_stat(call_site, bytes_req, bytes_alloc))
return -1;
total_requested += bytes_req;
total_allocated += bytes_alloc;
- if (node) {
- node1 = cpunode_map[cpu];
- node2 = raw_field_value(event, "node", data);
+ nr_allocs++;
+ return 0;
+}
+
+static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel,
+ struct perf_sample *sample)
+{
+ int ret = perf_evsel__process_alloc_event(evsel, sample);
+
+ if (!ret) {
+ int node1 = cpunode_map[sample->cpu],
+ node2 = perf_evsel__intval(evsel, sample, "node");
+
if (node1 != node2)
nr_cross_allocs++;
}
- nr_allocs++;
- return 0;
+
+ return ret;
}
static int ptr_cmp(struct alloc_stat *, struct alloc_stat *);
@@ -275,8 +278,7 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
static int perf_evsel__process_free_event(struct perf_evsel *evsel,
struct perf_sample *sample)
{
- unsigned long ptr = raw_field_value(evsel->tp_format, "ptr",
- sample->raw_data);
+ unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr");
struct alloc_stat *s_alloc, *s_caller;
s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
@@ -297,28 +299,8 @@ static int perf_evsel__process_free_event(struct perf_evsel *evsel,
return 0;
}
-static int perf_evsel__process_kmem_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
-{
- struct event_format *event = evsel->tp_format;
-
- if (!strcmp(event->name, "kmalloc") ||
- !strcmp(event->name, "kmem_cache_alloc")) {
- return perf_evsel__process_alloc_event(evsel, sample, 0);
- }
-
- if (!strcmp(event->name, "kmalloc_node") ||
- !strcmp(event->name, "kmem_cache_alloc_node")) {
- return perf_evsel__process_alloc_event(evsel, sample, 1);
- }
-
- if (!strcmp(event->name, "kfree") ||
- !strcmp(event->name, "kmem_cache_free")) {
- return perf_evsel__process_free_event(evsel, sample);
- }
-
- return 0;
-}
+typedef int (*tracepoint_handler)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
@@ -336,7 +318,12 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
- return perf_evsel__process_kmem_event(evsel, sample);
+ if (evsel->handler.func != NULL) {
+ tracepoint_handler f = evsel->handler.func;
+ return f(evsel, sample);
+ }
+
+ return 0;
}
static struct perf_tool perf_kmem = {
@@ -498,6 +485,14 @@ static int __cmd_kmem(void)
{
int err = -EINVAL;
struct perf_session *session;
+ const struct perf_evsel_str_handler kmem_tracepoints[] = {
+ { "kmem:kmalloc", perf_evsel__process_alloc_event, },
+ { "kmem:kmem_cache_alloc", perf_evsel__process_alloc_event, },
+ { "kmem:kmalloc_node", perf_evsel__process_alloc_node_event, },
+ { "kmem:kmem_cache_alloc_node", perf_evsel__process_alloc_node_event, },
+ { "kmem:kfree", perf_evsel__process_free_event, },
+ { "kmem:kmem_cache_free", perf_evsel__process_free_event, },
+ };
session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_kmem);
if (session == NULL)
@@ -509,6 +504,11 @@ static int __cmd_kmem(void)
if (!perf_session__has_traces(session, "kmem record"))
goto out_delete;
+ if (perf_session__set_tracepoints_handlers(session, kmem_tracepoints)) {
+ pr_err("Initializing perf session tracepoint handlers failed\n");
+ return -1;
+ }
+
setup_pager();
err = perf_session__process_events(session, &perf_kmem);
if (err != 0)
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 4d2aa2cbeca8..a28c9cad9048 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1,6 +1,7 @@
#include "builtin.h"
#include "perf.h"
+#include "util/evsel.h"
#include "util/util.h"
#include "util/cache.h"
#include "util/symbol.h"
@@ -10,8 +11,10 @@
#include "util/parse-options.h"
#include "util/trace-event.h"
-
#include "util/debug.h"
+#include "util/debugfs.h"
+#include "util/tool.h"
+#include "util/stat.h"
#include <sys/prctl.h>
@@ -19,11 +22,836 @@
#include <pthread.h>
#include <math.h>
-static const char *file_name;
+#include "../../arch/x86/include/asm/svm.h"
+#include "../../arch/x86/include/asm/vmx.h"
+#include "../../arch/x86/include/asm/kvm.h"
+
+struct event_key {
+ #define INVALID_KEY (~0ULL)
+ u64 key;
+ int info;
+};
+
+struct kvm_events_ops {
+ bool (*is_begin_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key);
+ bool (*is_end_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample, struct event_key *key);
+ void (*decode_key)(struct event_key *key, char decode[20]);
+ const char *name;
+};
+
+static void exit_event_get_key(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->info = 0;
+ key->key = perf_evsel__intval(evsel, sample, "exit_reason");
+}
+
+static bool kvm_exit_event(struct perf_evsel *evsel)
+{
+ return !strcmp(evsel->name, "kvm:kvm_exit");
+}
+
+static bool exit_event_begin(struct perf_evsel *evsel,
+ struct perf_sample *sample, struct event_key *key)
+{
+ if (kvm_exit_event(evsel)) {
+ exit_event_get_key(evsel, sample, key);
+ return true;
+ }
+
+ return false;
+}
+
+static bool kvm_entry_event(struct perf_evsel *evsel)
+{
+ return !strcmp(evsel->name, "kvm:kvm_entry");
+}
+
+static bool exit_event_end(struct perf_evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ return kvm_entry_event(evsel);
+}
+
+struct exit_reasons_table {
+ unsigned long exit_code;
+ const char *reason;
+};
+
+struct exit_reasons_table vmx_exit_reasons[] = {
+ VMX_EXIT_REASONS
+};
+
+struct exit_reasons_table svm_exit_reasons[] = {
+ SVM_EXIT_REASONS
+};
+
+static int cpu_isa;
+
+static const char *get_exit_reason(u64 exit_code)
+{
+ int table_size = ARRAY_SIZE(svm_exit_reasons);
+ struct exit_reasons_table *table = svm_exit_reasons;
+
+ if (cpu_isa == 1) {
+ table = vmx_exit_reasons;
+ table_size = ARRAY_SIZE(vmx_exit_reasons);
+ }
+
+ while (table_size--) {
+ if (table->exit_code == exit_code)
+ return table->reason;
+ table++;
+ }
+
+ pr_err("unknown kvm exit code:%lld on %s\n",
+ (unsigned long long)exit_code, cpu_isa ? "VMX" : "SVM");
+ return "UNKNOWN";
+}
+
+static void exit_event_decode_key(struct event_key *key, char decode[20])
+{
+ const char *exit_reason = get_exit_reason(key->key);
+
+ scnprintf(decode, 20, "%s", exit_reason);
+}
+
+static struct kvm_events_ops exit_events = {
+ .is_begin_event = exit_event_begin,
+ .is_end_event = exit_event_end,
+ .decode_key = exit_event_decode_key,
+ .name = "VM-EXIT"
+};
+
+ /*
+ * For the mmio events, we treat:
+ * the time of MMIO write: kvm_mmio(KVM_TRACE_MMIO_WRITE...) -> kvm_entry
+ * the time of MMIO read: kvm_exit -> kvm_mmio(KVM_TRACE_MMIO_READ...).
+ */
+static void mmio_event_get_key(struct perf_evsel *evsel, struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->key = perf_evsel__intval(evsel, sample, "gpa");
+ key->info = perf_evsel__intval(evsel, sample, "type");
+}
+
+#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
+#define KVM_TRACE_MMIO_READ 1
+#define KVM_TRACE_MMIO_WRITE 2
+
+static bool mmio_event_begin(struct perf_evsel *evsel,
+ struct perf_sample *sample, struct event_key *key)
+{
+ /* MMIO read begin event in kernel. */
+ if (kvm_exit_event(evsel))
+ return true;
+
+ /* MMIO write begin event in kernel. */
+ if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
+ perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) {
+ mmio_event_get_key(evsel, sample, key);
+ return true;
+ }
+
+ return false;
+}
+
+static bool mmio_event_end(struct perf_evsel *evsel, struct perf_sample *sample,
+ struct event_key *key)
+{
+ /* MMIO write end event in kernel. */
+ if (kvm_entry_event(evsel))
+ return true;
+
+ /* MMIO read end event in kernel.*/
+ if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
+ perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) {
+ mmio_event_get_key(evsel, sample, key);
+ return true;
+ }
+
+ return false;
+}
+
+static void mmio_event_decode_key(struct event_key *key, char decode[20])
+{
+ scnprintf(decode, 20, "%#lx:%s", (unsigned long)key->key,
+ key->info == KVM_TRACE_MMIO_WRITE ? "W" : "R");
+}
+
+static struct kvm_events_ops mmio_events = {
+ .is_begin_event = mmio_event_begin,
+ .is_end_event = mmio_event_end,
+ .decode_key = mmio_event_decode_key,
+ .name = "MMIO Access"
+};
+
+ /* The time of emulation pio access is from kvm_pio to kvm_entry. */
+static void ioport_event_get_key(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ key->key = perf_evsel__intval(evsel, sample, "port");
+ key->info = perf_evsel__intval(evsel, sample, "rw");
+}
+
+static bool ioport_event_begin(struct perf_evsel *evsel,
+ struct perf_sample *sample,
+ struct event_key *key)
+{
+ if (!strcmp(evsel->name, "kvm:kvm_pio")) {
+ ioport_event_get_key(evsel, sample, key);
+ return true;
+ }
+
+ return false;
+}
+
+static bool ioport_event_end(struct perf_evsel *evsel,
+ struct perf_sample *sample __maybe_unused,
+ struct event_key *key __maybe_unused)
+{
+ return kvm_entry_event(evsel);
+}
+
+static void ioport_event_decode_key(struct event_key *key, char decode[20])
+{
+ scnprintf(decode, 20, "%#llx:%s", (unsigned long long)key->key,
+ key->info ? "POUT" : "PIN");
+}
+
+static struct kvm_events_ops ioport_events = {
+ .is_begin_event = ioport_event_begin,
+ .is_end_event = ioport_event_end,
+ .decode_key = ioport_event_decode_key,
+ .name = "IO Port Access"
+};
+
+static const char *report_event = "vmexit";
+struct kvm_events_ops *events_ops;
+
+static bool register_kvm_events_ops(void)
+{
+ bool ret = true;
+
+ if (!strcmp(report_event, "vmexit"))
+ events_ops = &exit_events;
+ else if (!strcmp(report_event, "mmio"))
+ events_ops = &mmio_events;
+ else if (!strcmp(report_event, "ioport"))
+ events_ops = &ioport_events;
+ else {
+ pr_err("Unknown report event:%s\n", report_event);
+ ret = false;
+ }
+
+ return ret;
+}
+
+struct kvm_event_stats {
+ u64 time;
+ struct stats stats;
+};
+
+struct kvm_event {
+ struct list_head hash_entry;
+ struct rb_node rb;
+
+ struct event_key key;
+
+ struct kvm_event_stats total;
+
+ #define DEFAULT_VCPU_NUM 8
+ int max_vcpu;
+ struct kvm_event_stats *vcpu;
+};
+
+struct vcpu_event_record {
+ int vcpu_id;
+ u64 start_time;
+ struct kvm_event *last_event;
+};
+
+#define EVENTS_BITS 12
+#define EVENTS_CACHE_SIZE (1UL << EVENTS_BITS)
+
+static u64 total_time;
+static u64 total_count;
+static struct list_head kvm_events_cache[EVENTS_CACHE_SIZE];
+
+static void init_kvm_event_record(void)
+{
+ int i;
+
+ for (i = 0; i < (int)EVENTS_CACHE_SIZE; i++)
+ INIT_LIST_HEAD(&kvm_events_cache[i]);
+}
+
+static int kvm_events_hash_fn(u64 key)
+{
+ return key & (EVENTS_CACHE_SIZE - 1);
+}
+
+static bool kvm_event_expand(struct kvm_event *event, int vcpu_id)
+{
+ int old_max_vcpu = event->max_vcpu;
+
+ if (vcpu_id < event->max_vcpu)
+ return true;
+
+ while (event->max_vcpu <= vcpu_id)
+ event->max_vcpu += DEFAULT_VCPU_NUM;
+
+ event->vcpu = realloc(event->vcpu,
+ event->max_vcpu * sizeof(*event->vcpu));
+ if (!event->vcpu) {
+ pr_err("Not enough memory\n");
+ return false;
+ }
+
+ memset(event->vcpu + old_max_vcpu, 0,
+ (event->max_vcpu - old_max_vcpu) * sizeof(*event->vcpu));
+ return true;
+}
+
+static struct kvm_event *kvm_alloc_init_event(struct event_key *key)
+{
+ struct kvm_event *event;
+
+ event = zalloc(sizeof(*event));
+ if (!event) {
+ pr_err("Not enough memory\n");
+ return NULL;
+ }
+
+ event->key = *key;
+ return event;
+}
+
+static struct kvm_event *find_create_kvm_event(struct event_key *key)
+{
+ struct kvm_event *event;
+ struct list_head *head;
+
+ BUG_ON(key->key == INVALID_KEY);
+
+ head = &kvm_events_cache[kvm_events_hash_fn(key->key)];
+ list_for_each_entry(event, head, hash_entry)
+ if (event->key.key == key->key && event->key.info == key->info)
+ return event;
+
+ event = kvm_alloc_init_event(key);
+ if (!event)
+ return NULL;
+
+ list_add(&event->hash_entry, head);
+ return event;
+}
+
+static bool handle_begin_event(struct vcpu_event_record *vcpu_record,
+ struct event_key *key, u64 timestamp)
+{
+ struct kvm_event *event = NULL;
+
+ if (key->key != INVALID_KEY)
+ event = find_create_kvm_event(key);
+
+ vcpu_record->last_event = event;
+ vcpu_record->start_time = timestamp;
+ return true;
+}
+
+static void
+kvm_update_event_stats(struct kvm_event_stats *kvm_stats, u64 time_diff)
+{
+ kvm_stats->time += time_diff;
+ update_stats(&kvm_stats->stats, time_diff);
+}
+
+static double kvm_event_rel_stddev(int vcpu_id, struct kvm_event *event)
+{
+ struct kvm_event_stats *kvm_stats = &event->total;
+
+ if (vcpu_id != -1)
+ kvm_stats = &event->vcpu[vcpu_id];
+
+ return rel_stddev_stats(stddev_stats(&kvm_stats->stats),
+ avg_stats(&kvm_stats->stats));
+}
+
+static bool update_kvm_event(struct kvm_event *event, int vcpu_id,
+ u64 time_diff)
+{
+ kvm_update_event_stats(&event->total, time_diff);
+
+ if (!kvm_event_expand(event, vcpu_id))
+ return false;
+
+ kvm_update_event_stats(&event->vcpu[vcpu_id], time_diff);
+ return true;
+}
+
+static bool handle_end_event(struct vcpu_event_record *vcpu_record,
+ struct event_key *key, u64 timestamp)
+{
+ struct kvm_event *event;
+ u64 time_begin, time_diff;
+
+ event = vcpu_record->last_event;
+ time_begin = vcpu_record->start_time;
+
+ /* The begin event is not caught. */
+ if (!time_begin)
+ return true;
+
+ /*
+ * In some case, the 'begin event' only records the start timestamp,
+ * the actual event is recognized in the 'end event' (e.g. mmio-event).
+ */
+
+ /* Both begin and end events did not get the key. */
+ if (!event && key->key == INVALID_KEY)
+ return true;
+
+ if (!event)
+ event = find_create_kvm_event(key);
+
+ if (!event)
+ return false;
+
+ vcpu_record->last_event = NULL;
+ vcpu_record->start_time = 0;
+
+ BUG_ON(timestamp < time_begin);
+
+ time_diff = timestamp - time_begin;
+ return update_kvm_event(event, vcpu_record->vcpu_id, time_diff);
+}
+
+static
+struct vcpu_event_record *per_vcpu_record(struct thread *thread,
+ struct perf_evsel *evsel,
+ struct perf_sample *sample)
+{
+ /* Only kvm_entry records vcpu id. */
+ if (!thread->priv && kvm_entry_event(evsel)) {
+ struct vcpu_event_record *vcpu_record;
+
+ vcpu_record = zalloc(sizeof(*vcpu_record));
+ if (!vcpu_record) {
+ pr_err("%s: Not enough memory\n", __func__);
+ return NULL;
+ }
+
+ vcpu_record->vcpu_id = perf_evsel__intval(evsel, sample, "vcpu_id");
+ thread->priv = vcpu_record;
+ }
+
+ return thread->priv;
+}
+
+static bool handle_kvm_event(struct thread *thread, struct perf_evsel *evsel,
+ struct perf_sample *sample)
+{
+ struct vcpu_event_record *vcpu_record;
+ struct event_key key = {.key = INVALID_KEY};
+
+ vcpu_record = per_vcpu_record(thread, evsel, sample);
+ if (!vcpu_record)
+ return true;
+
+ if (events_ops->is_begin_event(evsel, sample, &key))
+ return handle_begin_event(vcpu_record, &key, sample->time);
+
+ if (events_ops->is_end_event(evsel, sample, &key))
+ return handle_end_event(vcpu_record, &key, sample->time);
+
+ return true;
+}
+
+typedef int (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int);
+struct kvm_event_key {
+ const char *name;
+ key_cmp_fun key;
+};
+
+static int trace_vcpu = -1;
+#define GET_EVENT_KEY(func, field) \
+static u64 get_event_ ##func(struct kvm_event *event, int vcpu) \
+{ \
+ if (vcpu == -1) \
+ return event->total.field; \
+ \
+ if (vcpu >= event->max_vcpu) \
+ return 0; \
+ \
+ return event->vcpu[vcpu].field; \
+}
+
+#define COMPARE_EVENT_KEY(func, field) \
+GET_EVENT_KEY(func, field) \
+static int compare_kvm_event_ ## func(struct kvm_event *one, \
+ struct kvm_event *two, int vcpu)\
+{ \
+ return get_event_ ##func(one, vcpu) > \
+ get_event_ ##func(two, vcpu); \
+}
+
+GET_EVENT_KEY(time, time);
+COMPARE_EVENT_KEY(count, stats.n);
+COMPARE_EVENT_KEY(mean, stats.mean);
+
+#define DEF_SORT_NAME_KEY(name, compare_key) \
+ { #name, compare_kvm_event_ ## compare_key }
+
+static struct kvm_event_key keys[] = {
+ DEF_SORT_NAME_KEY(sample, count),
+ DEF_SORT_NAME_KEY(time, mean),
+ { NULL, NULL }
+};
+
+static const char *sort_key = "sample";
+static key_cmp_fun compare;
+
+static bool select_key(void)
+{
+ int i;
+
+ for (i = 0; keys[i].name; i++) {
+ if (!strcmp(keys[i].name, sort_key)) {
+ compare = keys[i].key;
+ return true;
+ }
+ }
+
+ pr_err("Unknown compare key:%s\n", sort_key);
+ return false;
+}
+
+static struct rb_root result;
+static void insert_to_result(struct kvm_event *event, key_cmp_fun bigger,
+ int vcpu)
+{
+ struct rb_node **rb = &result.rb_node;
+ struct rb_node *parent = NULL;
+ struct kvm_event *p;
+
+ while (*rb) {
+ p = container_of(*rb, struct kvm_event, rb);
+ parent = *rb;
+
+ if (bigger(event, p, vcpu))
+ rb = &(*rb)->rb_left;
+ else
+ rb = &(*rb)->rb_right;
+ }
+
+ rb_link_node(&event->rb, parent, rb);
+ rb_insert_color(&event->rb, &result);
+}
+
+static void update_total_count(struct kvm_event *event, int vcpu)
+{
+ total_count += get_event_count(event, vcpu);
+ total_time += get_event_time(event, vcpu);
+}
+
+static bool event_is_valid(struct kvm_event *event, int vcpu)
+{
+ return !!get_event_count(event, vcpu);
+}
+
+static void sort_result(int vcpu)
+{
+ unsigned int i;
+ struct kvm_event *event;
+
+ for (i = 0; i < EVENTS_CACHE_SIZE; i++)
+ list_for_each_entry(event, &kvm_events_cache[i], hash_entry)
+ if (event_is_valid(event, vcpu)) {
+ update_total_count(event, vcpu);
+ insert_to_result(event, compare, vcpu);
+ }
+}
+
+/* returns left most element of result, and erase it */
+static struct kvm_event *pop_from_result(void)
+{
+ struct rb_node *node = rb_first(&result);
+
+ if (!node)
+ return NULL;
+
+ rb_erase(node, &result);
+ return container_of(node, struct kvm_event, rb);
+}
+
+static void print_vcpu_info(int vcpu)
+{
+ pr_info("Analyze events for ");
+
+ if (vcpu == -1)
+ pr_info("all VCPUs:\n\n");
+ else
+ pr_info("VCPU %d:\n\n", vcpu);
+}
+
+static void print_result(int vcpu)
+{
+ char decode[20];
+ struct kvm_event *event;
+
+ pr_info("\n\n");
+ print_vcpu_info(vcpu);
+ pr_info("%20s ", events_ops->name);
+ pr_info("%10s ", "Samples");
+ pr_info("%9s ", "Samples%");
+
+ pr_info("%9s ", "Time%");
+ pr_info("%16s ", "Avg time");
+ pr_info("\n\n");
+
+ while ((event = pop_from_result())) {
+ u64 ecount, etime;
+
+ ecount = get_event_count(event, vcpu);
+ etime = get_event_time(event, vcpu);
+
+ events_ops->decode_key(&event->key, decode);
+ pr_info("%20s ", decode);
+ pr_info("%10llu ", (unsigned long long)ecount);
+ pr_info("%8.2f%% ", (double)ecount / total_count * 100);
+ pr_info("%8.2f%% ", (double)etime / total_time * 100);
+ pr_info("%9.2fus ( +-%7.2f%% )", (double)etime / ecount/1e3,
+ kvm_event_rel_stddev(vcpu, event));
+ pr_info("\n");
+ }
+
+ pr_info("\nTotal Samples:%lld, Total events handled time:%.2fus.\n\n",
+ (unsigned long long)total_count, total_time / 1e3);
+}
+
+static int process_sample_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine)
+{
+ struct thread *thread = machine__findnew_thread(machine, sample->tid);
+
+ if (thread == NULL) {
+ pr_debug("problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (!handle_kvm_event(thread, evsel, sample))
+ return -1;
+
+ return 0;
+}
+
+static struct perf_tool eops = {
+ .sample = process_sample_event,
+ .comm = perf_event__process_comm,
+ .ordered_samples = true,
+};
+
+static int get_cpu_isa(struct perf_session *session)
+{
+ char *cpuid = session->header.env.cpuid;
+ int isa;
+
+ if (strstr(cpuid, "Intel"))
+ isa = 1;
+ else if (strstr(cpuid, "AMD"))
+ isa = 0;
+ else {
+ pr_err("CPU %s is not supported.\n", cpuid);
+ isa = -ENOTSUP;
+ }
+
+ return isa;
+}
+
+static const char *file_name;
+
+static int read_events(void)
+{
+ struct perf_session *kvm_session;
+ int ret;
+
+ kvm_session = perf_session__new(file_name, O_RDONLY, 0, false, &eops);
+ if (!kvm_session) {
+ pr_err("Initializing perf session failed\n");
+ return -EINVAL;
+ }
+
+ if (!perf_session__has_traces(kvm_session, "kvm record"))
+ return -EINVAL;
+
+ /*
+ * Do not use 'isa' recorded in kvm_exit tracepoint since it is not
+ * traced in the old kernel.
+ */
+ ret = get_cpu_isa(kvm_session);
+
+ if (ret < 0)
+ return ret;
+
+ cpu_isa = ret;
+
+ return perf_session__process_events(kvm_session, &eops);
+}
+
+static bool verify_vcpu(int vcpu)
+{
+ if (vcpu != -1 && vcpu < 0) {
+ pr_err("Invalid vcpu:%d.\n", vcpu);
+ return false;
+ }
+
+ return true;
+}
+
+static int kvm_events_report_vcpu(int vcpu)
+{
+ int ret = -EINVAL;
+
+ if (!verify_vcpu(vcpu))
+ goto exit;
+
+ if (!select_key())
+ goto exit;
+
+ if (!register_kvm_events_ops())
+ goto exit;
+
+ init_kvm_event_record();
+ setup_pager();
+
+ ret = read_events();
+ if (ret)
+ goto exit;
+
+ sort_result(vcpu);
+ print_result(vcpu);
+exit:
+ return ret;
+}
+
+static const char * const record_args[] = {
+ "record",
+ "-R",
+ "-f",
+ "-m", "1024",
+ "-c", "1",
+ "-e", "kvm:kvm_entry",
+ "-e", "kvm:kvm_exit",
+ "-e", "kvm:kvm_mmio",
+ "-e", "kvm:kvm_pio",
+};
+
+#define STRDUP_FAIL_EXIT(s) \
+ ({ char *_p; \
+ _p = strdup(s); \
+ if (!_p) \
+ return -ENOMEM; \
+ _p; \
+ })
+
+static int kvm_events_record(int argc, const char **argv)
+{
+ unsigned int rec_argc, i, j;
+ const char **rec_argv;
+
+ rec_argc = ARRAY_SIZE(record_args) + argc + 2;
+ rec_argv = calloc(rec_argc + 1, sizeof(char *));
+
+ if (rec_argv == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(record_args); i++)
+ rec_argv[i] = STRDUP_FAIL_EXIT(record_args[i]);
+
+ rec_argv[i++] = STRDUP_FAIL_EXIT("-o");
+ rec_argv[i++] = STRDUP_FAIL_EXIT(file_name);
+
+ for (j = 1; j < (unsigned int)argc; j++, i++)
+ rec_argv[i] = argv[j];
+
+ return cmd_record(i, rec_argv, NULL);
+}
+
+static const char * const kvm_events_report_usage[] = {
+ "perf kvm stat report [<options>]",
+ NULL
+};
+
+static const struct option kvm_events_report_options[] = {
+ OPT_STRING(0, "event", &report_event, "report event",
+ "event for reporting: vmexit, mmio, ioport"),
+ OPT_INTEGER(0, "vcpu", &trace_vcpu,
+ "vcpu id to report"),
+ OPT_STRING('k', "key", &sort_key, "sort-key",
+ "key for sorting: sample(sort by samples number)"
+ " time (sort by avg time)"),
+ OPT_END()
+};
+
+static int kvm_events_report(int argc, const char **argv)
+{
+ symbol__init();
+
+ if (argc) {
+ argc = parse_options(argc, argv,
+ kvm_events_report_options,
+ kvm_events_report_usage, 0);
+ if (argc)
+ usage_with_options(kvm_events_report_usage,
+ kvm_events_report_options);
+ }
+
+ return kvm_events_report_vcpu(trace_vcpu);
+}
+
+static void print_kvm_stat_usage(void)
+{
+ printf("Usage: perf kvm stat <command>\n\n");
+
+ printf("# Available commands:\n");
+ printf("\trecord: record kvm events\n");
+ printf("\treport: report statistical data of kvm events\n");
+
+ printf("\nOtherwise, it is the alias of 'perf stat':\n");
+}
+
+static int kvm_cmd_stat(int argc, const char **argv)
+{
+ if (argc == 1) {
+ print_kvm_stat_usage();
+ goto perf_stat;
+ }
+
+ if (!strncmp(argv[1], "rec", 3))
+ return kvm_events_record(argc - 1, argv + 1);
+
+ if (!strncmp(argv[1], "rep", 3))
+ return kvm_events_report(argc - 1 , argv + 1);
+
+perf_stat:
+ return cmd_stat(argc, argv, NULL);
+}
+
static char name_buffer[256];
static const char * const kvm_usage[] = {
- "perf kvm [<options>] {top|record|report|diff|buildid-list}",
+ "perf kvm [<options>] {top|record|report|diff|buildid-list|stat}",
NULL
};
@@ -135,6 +963,8 @@ int cmd_kvm(int argc, const char **argv, const char *prefix __maybe_unused)
return cmd_top(argc, argv, NULL);
else if (!strncmp(argv[0], "buildid-list", 12))
return __cmd_buildid_list(argc, argv);
+ else if (!strncmp(argv[0], "stat", 4))
+ return kvm_cmd_stat(argc, argv);
else
usage_with_options(kvm_usage, kvm_options);
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index a8035207a3dd..7d6e09949880 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -1,6 +1,7 @@
#include "builtin.h"
#include "perf.h"
+#include "util/evlist.h"
#include "util/evsel.h"
#include "util/util.h"
#include "util/cache.h"
@@ -41,7 +42,7 @@ struct lock_stat {
struct rb_node rb; /* used for sorting */
/*
- * FIXME: raw_field_value() returns unsigned long long,
+ * FIXME: perf_evsel__intval() returns u64,
* so address of lockdep_map should be dealed as 64bit.
* Is there more better solution?
*/
@@ -336,44 +337,18 @@ alloc_failed:
static const char *input_name;
-struct raw_event_sample {
- u32 size;
- char data[0];
-};
-
-struct trace_acquire_event {
- void *addr;
- const char *name;
- int flag;
-};
-
-struct trace_acquired_event {
- void *addr;
- const char *name;
-};
-
-struct trace_contended_event {
- void *addr;
- const char *name;
-};
-
-struct trace_release_event {
- void *addr;
- const char *name;
-};
-
struct trace_lock_handler {
- int (*acquire_event)(struct trace_acquire_event *,
- const struct perf_sample *sample);
+ int (*acquire_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
- int (*acquired_event)(struct trace_acquired_event *,
- const struct perf_sample *sample);
+ int (*acquired_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
- int (*contended_event)(struct trace_contended_event *,
- const struct perf_sample *sample);
+ int (*contended_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
- int (*release_event)(struct trace_release_event *,
- const struct perf_sample *sample);
+ int (*release_event)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
};
static struct lock_seq_stat *get_seq(struct thread_stat *ts, void *addr)
@@ -412,15 +387,20 @@ enum acquire_flags {
READ_LOCK = 2,
};
-static int
-report_lock_acquire_event(struct trace_acquire_event *acquire_event,
- const struct perf_sample *sample)
+static int report_lock_acquire_event(struct perf_evsel *evsel,
+ struct perf_sample *sample)
{
+ void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
+ const char *name = perf_evsel__strval(evsel, sample, "name");
+ u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ int flag = perf_evsel__intval(evsel, sample, "flag");
- ls = lock_stat_findnew(acquire_event->addr, acquire_event->name);
+ memcpy(&addr, &tmp, sizeof(void *));
+
+ ls = lock_stat_findnew(addr, name);
if (!ls)
return -1;
if (ls->discard)
@@ -430,19 +410,19 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
if (!ts)
return -1;
- seq = get_seq(ts, acquire_event->addr);
+ seq = get_seq(ts, addr);
if (!seq)
return -1;
switch (seq->state) {
case SEQ_STATE_UNINITIALIZED:
case SEQ_STATE_RELEASED:
- if (!acquire_event->flag) {
+ if (!flag) {
seq->state = SEQ_STATE_ACQUIRING;
} else {
- if (acquire_event->flag & TRY_LOCK)
+ if (flag & TRY_LOCK)
ls->nr_trylock++;
- if (acquire_event->flag & READ_LOCK)
+ if (flag & READ_LOCK)
ls->nr_readlock++;
seq->state = SEQ_STATE_READ_ACQUIRED;
seq->read_count = 1;
@@ -450,7 +430,7 @@ report_lock_acquire_event(struct trace_acquire_event *acquire_event,
}
break;
case SEQ_STATE_READ_ACQUIRED:
- if (acquire_event->flag & READ_LOCK) {
+ if (flag & READ_LOCK) {
seq->read_count++;
ls->nr_acquired++;
goto end;
@@ -480,17 +460,20 @@ end:
return 0;
}
-static int
-report_lock_acquired_event(struct trace_acquired_event *acquired_event,
- const struct perf_sample *sample)
+static int report_lock_acquired_event(struct perf_evsel *evsel,
+ struct perf_sample *sample)
{
- u64 timestamp = sample->time;
+ void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
u64 contended_term;
+ const char *name = perf_evsel__strval(evsel, sample, "name");
+ u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+
+ memcpy(&addr, &tmp, sizeof(void *));
- ls = lock_stat_findnew(acquired_event->addr, acquired_event->name);
+ ls = lock_stat_findnew(addr, name);
if (!ls)
return -1;
if (ls->discard)
@@ -500,7 +483,7 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
if (!ts)
return -1;
- seq = get_seq(ts, acquired_event->addr);
+ seq = get_seq(ts, addr);
if (!seq)
return -1;
@@ -511,7 +494,7 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
case SEQ_STATE_ACQUIRING:
break;
case SEQ_STATE_CONTENDED:
- contended_term = timestamp - seq->prev_event_time;
+ contended_term = sample->time - seq->prev_event_time;
ls->wait_time_total += contended_term;
if (contended_term < ls->wait_time_min)
ls->wait_time_min = contended_term;
@@ -536,20 +519,24 @@ report_lock_acquired_event(struct trace_acquired_event *acquired_event,
seq->state = SEQ_STATE_ACQUIRED;
ls->nr_acquired++;
- seq->prev_event_time = timestamp;
+ seq->prev_event_time = sample->time;
end:
return 0;
}
-static int
-report_lock_contended_event(struct trace_contended_event *contended_event,
- const struct perf_sample *sample)
+static int report_lock_contended_event(struct perf_evsel *evsel,
+ struct perf_sample *sample)
{
+ void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
+ const char *name = perf_evsel__strval(evsel, sample, "name");
+ u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+
+ memcpy(&addr, &tmp, sizeof(void *));
- ls = lock_stat_findnew(contended_event->addr, contended_event->name);
+ ls = lock_stat_findnew(addr, name);
if (!ls)
return -1;
if (ls->discard)
@@ -559,7 +546,7 @@ report_lock_contended_event(struct trace_contended_event *contended_event,
if (!ts)
return -1;
- seq = get_seq(ts, contended_event->addr);
+ seq = get_seq(ts, addr);
if (!seq)
return -1;
@@ -592,15 +579,19 @@ end:
return 0;
}
-static int
-report_lock_release_event(struct trace_release_event *release_event,
- const struct perf_sample *sample)
+static int report_lock_release_event(struct perf_evsel *evsel,
+ struct perf_sample *sample)
{
+ void *addr;
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
+ const char *name = perf_evsel__strval(evsel, sample, "name");
+ u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
- ls = lock_stat_findnew(release_event->addr, release_event->name);
+ memcpy(&addr, &tmp, sizeof(void *));
+
+ ls = lock_stat_findnew(addr, name);
if (!ls)
return -1;
if (ls->discard)
@@ -610,7 +601,7 @@ report_lock_release_event(struct trace_release_event *release_event,
if (!ts)
return -1;
- seq = get_seq(ts, release_event->addr);
+ seq = get_seq(ts, addr);
if (!seq)
return -1;
@@ -663,96 +654,33 @@ static struct trace_lock_handler *trace_handler;
static int perf_evsel__process_lock_acquire(struct perf_evsel *evsel,
struct perf_sample *sample)
{
- struct trace_acquire_event acquire_event;
- struct event_format *event = evsel->tp_format;
- void *data = sample->raw_data;
- u64 tmp; /* this is required for casting... */
- int rc = 0;
-
- tmp = raw_field_value(event, "lockdep_addr", data);
- memcpy(&acquire_event.addr, &tmp, sizeof(void *));
- acquire_event.name = (char *)raw_field_ptr(event, "name", data);
- acquire_event.flag = (int)raw_field_value(event, "flag", data);
-
if (trace_handler->acquire_event)
- rc = trace_handler->acquire_event(&acquire_event, sample);
-
- return rc;
+ return trace_handler->acquire_event(evsel, sample);
+ return 0;
}
static int perf_evsel__process_lock_acquired(struct perf_evsel *evsel,
struct perf_sample *sample)
{
- struct trace_acquired_event acquired_event;
- struct event_format *event = evsel->tp_format;
- void *data = sample->raw_data;
- u64 tmp; /* this is required for casting... */
- int rc = 0;
-
- tmp = raw_field_value(event, "lockdep_addr", data);
- memcpy(&acquired_event.addr, &tmp, sizeof(void *));
- acquired_event.name = (char *)raw_field_ptr(event, "name", data);
-
if (trace_handler->acquired_event)
- rc = trace_handler->acquired_event(&acquired_event, sample);
-
- return rc;
+ return trace_handler->acquired_event(evsel, sample);
+ return 0;
}
static int perf_evsel__process_lock_contended(struct perf_evsel *evsel,
- struct perf_sample *sample)
+ struct perf_sample *sample)
{
- struct trace_contended_event contended_event;
- struct event_format *event = evsel->tp_format;
- void *data = sample->raw_data;
- u64 tmp; /* this is required for casting... */
- int rc = 0;
-
- tmp = raw_field_value(event, "lockdep_addr", data);
- memcpy(&contended_event.addr, &tmp, sizeof(void *));
- contended_event.name = (char *)raw_field_ptr(event, "name", data);
-
if (trace_handler->contended_event)
- rc = trace_handler->contended_event(&contended_event, sample);
-
- return rc;
+ return trace_handler->contended_event(evsel, sample);
+ return 0;
}
static int perf_evsel__process_lock_release(struct perf_evsel *evsel,
- struct perf_sample *sample)
+ struct perf_sample *sample)
{
- struct trace_release_event release_event;
- struct event_format *event = evsel->tp_format;
- void *data = sample->raw_data;
- u64 tmp; /* this is required for casting... */
- int rc = 0;
-
- tmp = raw_field_value(event, "lockdep_addr", data);
- memcpy(&release_event.addr, &tmp, sizeof(void *));
- release_event.name = (char *)raw_field_ptr(event, "name", data);
-
if (trace_handler->release_event)
- rc = trace_handler->release_event(&release_event, sample);
-
- return rc;
-}
-
-static int perf_evsel__process_lock_event(struct perf_evsel *evsel,
- struct perf_sample *sample)
-{
- struct event_format *event = evsel->tp_format;
- int rc = 0;
-
- if (!strcmp(event->name, "lock_acquire"))
- rc = perf_evsel__process_lock_acquire(evsel, sample);
- if (!strcmp(event->name, "lock_acquired"))
- rc = perf_evsel__process_lock_acquired(evsel, sample);
- if (!strcmp(event->name, "lock_contended"))
- rc = perf_evsel__process_lock_contended(evsel, sample);
- if (!strcmp(event->name, "lock_release"))
- rc = perf_evsel__process_lock_release(evsel, sample);
-
- return rc;
+ return trace_handler->release_event(evsel, sample);
+ return 0;
}
static void print_bad_events(int bad, int total)
@@ -870,6 +798,9 @@ static int dump_info(void)
return rc;
}
+typedef int (*tracepoint_handler)(struct perf_evsel *evsel,
+ struct perf_sample *sample);
+
static int process_sample_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
@@ -884,7 +815,12 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
return -1;
}
- return perf_evsel__process_lock_event(evsel, sample);
+ if (evsel->handler.func != NULL) {
+ tracepoint_handler f = evsel->handler.func;
+ return f(evsel, sample);
+ }
+
+ return 0;
}
static struct perf_tool eops = {
@@ -893,6 +829,13 @@ static struct perf_tool eops = {
.ordered_samples = true,
};
+static const struct perf_evsel_str_handler lock_tracepoints[] = {
+ { "lock:lock_acquire", perf_evsel__process_lock_acquire, }, /* CONFIG_LOCKDEP */
+ { "lock:lock_acquired", perf_evsel__process_lock_acquired, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_contended", perf_evsel__process_lock_contended, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_release", perf_evsel__process_lock_release, }, /* CONFIG_LOCKDEP */
+};
+
static int read_events(void)
{
session = perf_session__new(input_name, O_RDONLY, 0, false, &eops);
@@ -901,6 +844,11 @@ static int read_events(void)
return -1;
}
+ if (perf_session__set_tracepoints_handlers(session, lock_tracepoints)) {
+ pr_err("Initializing perf session tracepoint handlers failed\n");
+ return -1;
+ }
+
return perf_session__process_events(session, &eops);
}
@@ -967,13 +915,6 @@ static const struct option lock_options[] = {
OPT_END()
};
-static const char * const lock_tracepoints[] = {
- "lock:lock_acquire", /* CONFIG_LOCKDEP */
- "lock:lock_acquired", /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- "lock:lock_contended", /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- "lock:lock_release", /* CONFIG_LOCKDEP */
-};
-
static const char *record_args[] = {
"record",
"-R",
@@ -988,10 +929,10 @@ static int __cmd_record(int argc, const char **argv)
const char **rec_argv;
for (i = 0; i < ARRAY_SIZE(lock_tracepoints); i++) {
- if (!is_valid_tracepoint(lock_tracepoints[i])) {
+ if (!is_valid_tracepoint(lock_tracepoints[i].name)) {
pr_err("tracepoint %s is not enabled. "
"Are CONFIG_LOCKDEP and CONFIG_LOCK_STAT enabled?\n",
- lock_tracepoints[i]);
+ lock_tracepoints[i].name);
return 1;
}
}
@@ -1009,7 +950,7 @@ static int __cmd_record(int argc, const char **argv)
for (j = 0; j < ARRAY_SIZE(lock_tracepoints); j++) {
rec_argv[i++] = "-e";
- rec_argv[i++] = strdup(lock_tracepoints[j]);
+ rec_argv[i++] = strdup(lock_tracepoints[j].name);
}
for (j = 1; j < (unsigned int)argc; j++, i++)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c643ed669ef9..2cb74343de3e 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -297,8 +297,10 @@ try_again:
}
printf("\n");
- error("sys_perf_event_open() syscall returned with %d (%s). /bin/dmesg may provide additional information.\n",
- err, strerror(err));
+ error("sys_perf_event_open() syscall returned with %d "
+ "(%s) for event %s. /bin/dmesg may provide "
+ "additional information.\n",
+ err, strerror(err), perf_evsel__name(pos));
#if defined(__i386__) || defined(__x86_64__)
if (attr->type == PERF_TYPE_HARDWARE &&
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 4aed1553db56..78b47a75a7c9 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -14,6 +14,7 @@
#include "util/symbol.h"
#include "util/thread_map.h"
#include "util/pmu.h"
+#include "event-parse.h"
#include "../../include/linux/hw_breakpoint.h"
#include <sys/mman.h>
@@ -1207,6 +1208,87 @@ static int perf_evsel__roundtrip_name_test(void)
return ret;
}
+static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name,
+ int size, bool should_be_signed)
+{
+ struct format_field *field = perf_evsel__field(evsel, name);
+ int is_signed;
+ int ret = 0;
+
+ if (field == NULL) {
+ pr_debug("%s: \"%s\" field not found!\n", evsel->name, name);
+ return -1;
+ }
+
+ is_signed = !!(field->flags | FIELD_IS_SIGNED);
+ if (should_be_signed && !is_signed) {
+ pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n",
+ evsel->name, name, is_signed, should_be_signed);
+ ret = -1;
+ }
+
+ if (field->size != size) {
+ pr_debug("%s: \"%s\" size (%d) should be %d!\n",
+ evsel->name, name, field->size, size);
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static int perf_evsel__tp_sched_test(void)
+{
+ struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch", 0);
+ int ret = 0;
+
+ if (evsel == NULL) {
+ pr_debug("perf_evsel__new\n");
+ return -1;
+ }
+
+ if (perf_evsel__test_field(evsel, "prev_comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_prio", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prev_state", 8, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "next_prio", 4, true))
+ ret = -1;
+
+ perf_evsel__delete(evsel);
+
+ evsel = perf_evsel__newtp("sched", "sched_wakeup", 0);
+
+ if (perf_evsel__test_field(evsel, "comm", 16, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "pid", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "prio", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "success", 4, true))
+ ret = -1;
+
+ if (perf_evsel__test_field(evsel, "target_cpu", 4, true))
+ ret = -1;
+
+ return ret;
+}
+
static struct test {
const char *desc;
int (*func)(void);
@@ -1254,6 +1336,10 @@ static struct test {
.func = perf_evsel__roundtrip_name_test,
},
{
+ .desc = "Check parsing of sched tracepoints fields",
+ .func = perf_evsel__tp_sched_test,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 55a3a6c6b9e7..b1a8a3b841cc 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -168,9 +168,8 @@ static struct per_pid *find_create_pid(int pid)
return cursor;
cursor = cursor->next;
}
- cursor = malloc(sizeof(struct per_pid));
+ cursor = zalloc(sizeof(*cursor));
assert(cursor != NULL);
- memset(cursor, 0, sizeof(struct per_pid));
cursor->pid = pid;
cursor->next = all_data;
all_data = cursor;
@@ -195,9 +194,8 @@ static void pid_set_comm(int pid, char *comm)
}
c = c->next;
}
- c = malloc(sizeof(struct per_pidcomm));
+ c = zalloc(sizeof(*c));
assert(c != NULL);
- memset(c, 0, sizeof(struct per_pidcomm));
c->comm = strdup(comm);
p->current = c;
c->next = p->all;
@@ -239,17 +237,15 @@ pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end)
p = find_create_pid(pid);
c = p->current;
if (!c) {
- c = malloc(sizeof(struct per_pidcomm));
+ c = zalloc(sizeof(*c));
assert(c != NULL);
- memset(c, 0, sizeof(struct per_pidcomm));
p->current = c;
c->next = p->all;
p->all = c;
}
- sample = malloc(sizeof(struct cpu_sample));
+ sample = zalloc(sizeof(*sample));
assert(sample != NULL);
- memset(sample, 0, sizeof(struct cpu_sample));
sample->start_time = start;
sample->end_time = end;
sample->type = type;
@@ -373,11 +369,10 @@ static void c_state_start(int cpu, u64 timestamp, int state)
static void c_state_end(int cpu, u64 timestamp)
{
- struct power_event *pwr;
- pwr = malloc(sizeof(struct power_event));
+ struct power_event *pwr = zalloc(sizeof(*pwr));
+
if (!pwr)
return;
- memset(pwr, 0, sizeof(struct power_event));
pwr->state = cpus_cstate_state[cpu];
pwr->start_time = cpus_cstate_start_times[cpu];
@@ -392,14 +387,13 @@ static void c_state_end(int cpu, u64 timestamp)
static void p_state_change(int cpu, u64 timestamp, u64 new_freq)
{
struct power_event *pwr;
- pwr = malloc(sizeof(struct power_event));
if (new_freq > 8000000) /* detect invalid data */
return;
+ pwr = zalloc(sizeof(*pwr));
if (!pwr)
return;
- memset(pwr, 0, sizeof(struct power_event));
pwr->state = cpus_pstate_state[cpu];
pwr->start_time = cpus_pstate_start_times[cpu];
@@ -429,15 +423,13 @@ static void p_state_change(int cpu, u64 timestamp, u64 new_freq)
static void
sched_wakeup(int cpu, u64 timestamp, int pid, struct trace_entry *te)
{
- struct wake_event *we;
struct per_pid *p;
struct wakeup_entry *wake = (void *)te;
+ struct wake_event *we = zalloc(sizeof(*we));
- we = malloc(sizeof(struct wake_event));
if (!we)
return;
- memset(we, 0, sizeof(struct wake_event));
we->time = timestamp;
we->waker = pid;
@@ -579,13 +571,12 @@ static void end_sample_processing(void)
struct power_event *pwr;
for (cpu = 0; cpu <= numcpus; cpu++) {
- pwr = malloc(sizeof(struct power_event));
+ /* C state */
+#if 0
+ pwr = zalloc(sizeof(*pwr));
if (!pwr)
return;
- memset(pwr, 0, sizeof(struct power_event));
- /* C state */
-#if 0
pwr->state = cpus_cstate_state[cpu];
pwr->start_time = cpus_cstate_start_times[cpu];
pwr->end_time = last_time;
@@ -597,10 +588,9 @@ static void end_sample_processing(void)
#endif
/* P state */
- pwr = malloc(sizeof(struct power_event));
+ pwr = zalloc(sizeof(*pwr));
if (!pwr)
return;
- memset(pwr, 0, sizeof(struct power_event));
pwr->state = cpus_pstate_state[cpu];
pwr->start_time = cpus_pstate_start_times[cpu];
@@ -830,11 +820,9 @@ static void draw_process_bars(void)
static void add_process_filter(const char *string)
{
- struct process_filter *filt;
- int pid;
+ int pid = strtoull(string, NULL, 10);
+ struct process_filter *filt = malloc(sizeof(*filt));
- pid = strtoull(string, NULL, 10);
- filt = malloc(sizeof(struct process_filter));
if (!filt)
return;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 1506ba0453f1..00936ad29ff2 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -10,6 +10,7 @@
#include <byteswap.h>
#include <linux/bitops.h>
#include "asm/bug.h"
+#include "debugfs.h"
#include "event-parse.h"
#include "evsel.h"
#include "evlist.h"
@@ -69,6 +70,72 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
return evsel;
}
+static struct event_format *event_format__new(const char *sys, const char *name)
+{
+ int fd, n;
+ char *filename;
+ void *bf = NULL, *nbf;
+ size_t size = 0, alloc_size = 0;
+ struct event_format *format = NULL;
+
+ if (asprintf(&filename, "%s/%s/%s/format", tracing_events_path, sys, name) < 0)
+ goto out;
+
+ fd = open(filename, O_RDONLY);
+ if (fd < 0)
+ goto out_free_filename;
+
+ do {
+ if (size == alloc_size) {
+ alloc_size += BUFSIZ;
+ nbf = realloc(bf, alloc_size);
+ if (nbf == NULL)
+ goto out_free_bf;
+ bf = nbf;
+ }
+
+ n = read(fd, bf + size, BUFSIZ);
+ if (n < 0)
+ goto out_free_bf;
+ size += n;
+ } while (n > 0);
+
+ pevent_parse_format(&format, bf, size, sys);
+
+out_free_bf:
+ free(bf);
+ close(fd);
+out_free_filename:
+ free(filename);
+out:
+ return format;
+}
+
+struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx)
+{
+ struct perf_evsel *evsel = zalloc(sizeof(*evsel));
+
+ if (evsel != NULL) {
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_TRACEPOINT,
+ };
+
+ evsel->tp_format = event_format__new(sys, name);
+ if (evsel->tp_format == NULL)
+ goto out_free;
+
+ attr.config = evsel->tp_format->id;
+ perf_evsel__init(evsel, &attr, idx);
+ evsel->name = evsel->tp_format->name;
+ }
+
+ return evsel;
+
+out_free:
+ free(evsel);
+ return NULL;
+}
+
const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
"cycles",
"instructions",
@@ -495,6 +562,10 @@ void perf_evsel__delete(struct perf_evsel *evsel)
perf_evsel__exit(evsel);
close_cgroup(evsel->cgrp);
free(evsel->group_name);
+ if (evsel->tp_format && evsel->name == evsel->tp_format->name) {
+ evsel->name = NULL;
+ pevent_free_format(evsel->tp_format);
+ }
free(evsel->name);
free(evsel);
}
@@ -1002,14 +1073,19 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type,
return 0;
}
+struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name)
+{
+ return pevent_find_field(evsel->tp_format, name);
+}
+
char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name)
{
- struct format_field *field = pevent_find_field(evsel->tp_format, name);
+ struct format_field *field = perf_evsel__field(evsel, name);
int offset;
- if (!field)
- return NULL;
+ if (!field)
+ return NULL;
offset = field->offset;
@@ -1024,11 +1100,11 @@ char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name)
{
- struct format_field *field = pevent_find_field(evsel->tp_format, name);
+ struct format_field *field = perf_evsel__field(evsel, name);
u64 val;
- if (!field)
- return 0;
+ if (!field)
+ return 0;
val = pevent_read_number(evsel->tp_format->pevent,
sample->raw_data + field->offset, field->size);
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 93876bad2e52..bb445d1cbc7b 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -81,6 +81,7 @@ struct perf_evlist;
struct perf_record_opts;
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
+struct perf_evsel *perf_evsel__newtp(const char *sys, const char *name, int idx);
void perf_evsel__init(struct perf_evsel *evsel,
struct perf_event_attr *attr, int idx);
void perf_evsel__exit(struct perf_evsel *evsel);
@@ -128,6 +129,10 @@ char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample,
u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
const char *name);
+struct format_field;
+
+struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name);
+
#define perf_evsel__match(evsel, t, c) \
(evsel->attr.type == PERF_TYPE_##t && \
evsel->attr.config == PERF_COUNT_##c)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index acbf6336199e..6aae3290358e 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -22,6 +22,7 @@
#include "cpumap.h"
#include "pmu.h"
#include "vdso.h"
+#include "strbuf.h"
static bool no_buildid_cache = false;
@@ -1102,118 +1103,80 @@ static int write_branch_stack(int fd __maybe_unused,
return 0;
}
-static void print_hostname(struct perf_header *ph, int fd, FILE *fp)
+static void print_hostname(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# hostname : %s\n", str);
- free(str);
+ fprintf(fp, "# hostname : %s\n", ph->env.hostname);
}
-static void print_osrelease(struct perf_header *ph, int fd, FILE *fp)
+static void print_osrelease(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# os release : %s\n", str);
- free(str);
+ fprintf(fp, "# os release : %s\n", ph->env.os_release);
}
-static void print_arch(struct perf_header *ph, int fd, FILE *fp)
+static void print_arch(struct perf_header *ph, int fd __maybe_unused, FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# arch : %s\n", str);
- free(str);
+ fprintf(fp, "# arch : %s\n", ph->env.arch);
}
-static void print_cpudesc(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpudesc(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# cpudesc : %s\n", str);
- free(str);
+ fprintf(fp, "# cpudesc : %s\n", ph->env.cpu_desc);
}
-static void print_nrcpus(struct perf_header *ph, int fd, FILE *fp)
+static void print_nrcpus(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
- u32 nr;
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- nr = -1; /* interpreted as error */
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
-
- fprintf(fp, "# nrcpus online : %u\n", nr);
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- nr = -1; /* interpreted as error */
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
-
- fprintf(fp, "# nrcpus avail : %u\n", nr);
+ fprintf(fp, "# nrcpus online : %u\n", ph->env.nr_cpus_online);
+ fprintf(fp, "# nrcpus avail : %u\n", ph->env.nr_cpus_avail);
}
-static void print_version(struct perf_header *ph, int fd, FILE *fp)
+static void print_version(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# perf version : %s\n", str);
- free(str);
+ fprintf(fp, "# perf version : %s\n", ph->env.version);
}
-static void print_cmdline(struct perf_header *ph, int fd, FILE *fp)
+static void print_cmdline(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
+ int nr, i;
char *str;
- u32 nr, i;
-
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_cmdline;
+ str = ph->env.cmdline;
fprintf(fp, "# cmdline : ");
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "%s ", str);
- free(str);
+ str += strlen(str) + 1;
}
fputc('\n', fp);
}
-static void print_cpu_topology(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
- ssize_t ret;
- u32 nr, i;
+ int nr, i;
char *str;
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_sibling_cores;
+ str = ph->env.sibling_cores;
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "# sibling cores : %s\n", str);
- free(str);
+ str += strlen(str) + 1;
}
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- return;
-
- if (ph->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_sibling_threads;
+ str = ph->env.sibling_threads;
for (i = 0; i < nr; i++) {
- str = do_read_string(fd, ph);
fprintf(fp, "# sibling threads : %s\n", str);
- free(str);
+ str += strlen(str) + 1;
}
}
@@ -1374,126 +1337,89 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)
free_event_desc(events);
}
-static void print_total_mem(struct perf_header *h __maybe_unused, int fd,
+static void print_total_mem(struct perf_header *ph, int fd __maybe_unused,
FILE *fp)
{
- uint64_t mem;
- ssize_t ret;
-
- ret = read(fd, &mem, sizeof(mem));
- if (ret != sizeof(mem))
- goto error;
-
- if (h->needs_swap)
- mem = bswap_64(mem);
-
- fprintf(fp, "# total memory : %"PRIu64" kB\n", mem);
- return;
-error:
- fprintf(fp, "# total memory : unknown\n");
+ fprintf(fp, "# total memory : %Lu kB\n", ph->env.total_mem);
}
-static void print_numa_topology(struct perf_header *h __maybe_unused, int fd,
+static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused,
FILE *fp)
{
- ssize_t ret;
u32 nr, c, i;
- char *str;
+ char *str, *tmp;
uint64_t mem_total, mem_free;
/* nr nodes */
- ret = read(fd, &nr, sizeof(nr));
- if (ret != (ssize_t)sizeof(nr))
- goto error;
-
- if (h->needs_swap)
- nr = bswap_32(nr);
+ nr = ph->env.nr_numa_nodes;
+ str = ph->env.numa_nodes;
for (i = 0; i < nr; i++) {
-
/* node number */
- ret = read(fd, &c, sizeof(c));
- if (ret != (ssize_t)sizeof(c))
+ c = strtoul(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- if (h->needs_swap)
- c = bswap_32(c);
-
- ret = read(fd, &mem_total, sizeof(u64));
- if (ret != sizeof(u64))
+ str = tmp + 1;
+ mem_total = strtoull(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- ret = read(fd, &mem_free, sizeof(u64));
- if (ret != sizeof(u64))
+ str = tmp + 1;
+ mem_free = strtoull(str, &tmp, 0);
+ if (*tmp != ':')
goto error;
- if (h->needs_swap) {
- mem_total = bswap_64(mem_total);
- mem_free = bswap_64(mem_free);
- }
-
fprintf(fp, "# node%u meminfo : total = %"PRIu64" kB,"
" free = %"PRIu64" kB\n",
- c,
- mem_total,
- mem_free);
+ c, mem_total, mem_free);
- str = do_read_string(fd, h);
+ str = tmp + 1;
fprintf(fp, "# node%u cpu list : %s\n", c, str);
- free(str);
}
return;
error:
fprintf(fp, "# numa topology : not available\n");
}
-static void print_cpuid(struct perf_header *ph, int fd, FILE *fp)
+static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp)
{
- char *str = do_read_string(fd, ph);
- fprintf(fp, "# cpuid : %s\n", str);
- free(str);
+ fprintf(fp, "# cpuid : %s\n", ph->env.cpuid);
}
static void print_branch_stack(struct perf_header *ph __maybe_unused,
- int fd __maybe_unused,
- FILE *fp)
+ int fd __maybe_unused, FILE *fp)
{
fprintf(fp, "# contains samples with branch stack\n");
}
-static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp)
+static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,
+ FILE *fp)
{
const char *delimiter = "# pmu mappings: ";
- char *name;
- int ret;
+ char *str, *tmp;
u32 pmu_num;
u32 type;
- ret = read(fd, &pmu_num, sizeof(pmu_num));
- if (ret != sizeof(pmu_num))
- goto error;
-
- if (ph->needs_swap)
- pmu_num = bswap_32(pmu_num);
-
+ pmu_num = ph->env.nr_pmu_mappings;
if (!pmu_num) {
fprintf(fp, "# pmu mappings: not available\n");
return;
}
+ str = ph->env.pmu_mappings;
+
while (pmu_num) {
- if (read(fd, &type, sizeof(type)) != sizeof(type))
- break;
- if (ph->needs_swap)
- type = bswap_32(type);
+ type = strtoul(str, &tmp, 0);
+ if (*tmp != ':')
+ goto error;
+
+ str = tmp + 1;
+ fprintf(fp, "%s%s = %" PRIu32, delimiter, str, type);
- name = do_read_string(fd, ph);
- if (!name)
- break;
- pmu_num--;
- fprintf(fp, "%s%s = %" PRIu32, delimiter, name, type);
- free(name);
delimiter = ", ";
+ str += strlen(str) + 1;
+ pmu_num--;
}
fprintf(fp, "\n");
@@ -1654,18 +1580,16 @@ out:
return err;
}
-static int process_tracing_data(struct perf_file_section *section
- __maybe_unused,
- struct perf_header *ph __maybe_unused,
- int feat __maybe_unused, int fd, void *data)
+static int process_tracing_data(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph __maybe_unused,
+ int fd, void *data)
{
trace_report(fd, data, false);
return 0;
}
static int process_build_id(struct perf_file_section *section,
- struct perf_header *ph,
- int feat __maybe_unused, int fd,
+ struct perf_header *ph, int fd,
void *data __maybe_unused)
{
if (perf_header__read_build_ids(ph, fd, section->offset, section->size))
@@ -1673,6 +1597,99 @@ static int process_build_id(struct perf_file_section *section,
return 0;
}
+static int process_hostname(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.hostname = do_read_string(fd, ph);
+ return ph->env.hostname ? 0 : -ENOMEM;
+}
+
+static int process_osrelease(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.os_release = do_read_string(fd, ph);
+ return ph->env.os_release ? 0 : -ENOMEM;
+}
+
+static int process_version(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.version = do_read_string(fd, ph);
+ return ph->env.version ? 0 : -ENOMEM;
+}
+
+static int process_arch(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.arch = do_read_string(fd, ph);
+ return ph->env.arch ? 0 : -ENOMEM;
+}
+
+static int process_nrcpus(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cpus_online = nr;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cpus_avail = nr;
+ return 0;
+}
+
+static int process_cpudesc(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.cpu_desc = do_read_string(fd, ph);
+ return ph->env.cpu_desc ? 0 : -ENOMEM;
+}
+
+static int process_cpuid(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ ph->env.cpuid = do_read_string(fd, ph);
+ return ph->env.cpuid ? 0 : -ENOMEM;
+}
+
+static int process_total_mem(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ uint64_t mem;
+ size_t ret;
+
+ ret = read(fd, &mem, sizeof(mem));
+ if (ret != sizeof(mem))
+ return -1;
+
+ if (ph->needs_swap)
+ mem = bswap_64(mem);
+
+ ph->env.total_mem = mem;
+ return 0;
+}
+
static struct perf_evsel *
perf_evlist__find_by_index(struct perf_evlist *evlist, int idx)
{
@@ -1687,7 +1704,8 @@ perf_evlist__find_by_index(struct perf_evlist *evlist, int idx)
}
static void
-perf_evlist__set_event_name(struct perf_evlist *evlist, struct perf_evsel *event)
+perf_evlist__set_event_name(struct perf_evlist *evlist,
+ struct perf_evsel *event)
{
struct perf_evsel *evsel;
@@ -1706,15 +1724,16 @@ perf_evlist__set_event_name(struct perf_evlist *evlist, struct perf_evsel *event
static int
process_event_desc(struct perf_file_section *section __maybe_unused,
- struct perf_header *header, int feat __maybe_unused, int fd,
+ struct perf_header *header, int fd,
void *data __maybe_unused)
{
- struct perf_session *session = container_of(header, struct perf_session, header);
+ struct perf_session *session;
struct perf_evsel *evsel, *events = read_event_desc(header, fd);
if (!events)
return 0;
+ session = container_of(header, struct perf_session, header);
for (evsel = events; evsel->attr.size; evsel++)
perf_evlist__set_event_name(session->evlist, evsel);
@@ -1723,11 +1742,213 @@ process_event_desc(struct perf_file_section *section __maybe_unused,
return 0;
}
+static int process_cmdline(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ char *str;
+ u32 nr, i;
+ struct strbuf sb;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_cmdline = nr;
+ strbuf_init(&sb, 128);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.cmdline = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_cpu_topology(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr, i;
+ char *str;
+ struct strbuf sb;
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_sibling_cores = nr;
+ strbuf_init(&sb, 128);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.sibling_cores = strbuf_detach(&sb, NULL);
+
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ return -1;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_sibling_threads = nr;
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.sibling_threads = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_numa_topology(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ u32 nr, node, i;
+ char *str;
+ uint64_t mem_total, mem_free;
+ struct strbuf sb;
+
+ /* nr nodes */
+ ret = read(fd, &nr, sizeof(nr));
+ if (ret != sizeof(nr))
+ goto error;
+
+ if (ph->needs_swap)
+ nr = bswap_32(nr);
+
+ ph->env.nr_numa_nodes = nr;
+ strbuf_init(&sb, 256);
+
+ for (i = 0; i < nr; i++) {
+ /* node number */
+ ret = read(fd, &node, sizeof(node));
+ if (ret != sizeof(node))
+ goto error;
+
+ ret = read(fd, &mem_total, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ ret = read(fd, &mem_free, sizeof(u64));
+ if (ret != sizeof(u64))
+ goto error;
+
+ if (ph->needs_swap) {
+ node = bswap_32(node);
+ mem_total = bswap_64(mem_total);
+ mem_free = bswap_64(mem_free);
+ }
+
+ strbuf_addf(&sb, "%u:%"PRIu64":%"PRIu64":",
+ node, mem_total, mem_free);
+
+ str = do_read_string(fd, ph);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ strbuf_add(&sb, str, strlen(str) + 1);
+ free(str);
+ }
+ ph->env.numa_nodes = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
+static int process_pmu_mappings(struct perf_file_section *section __maybe_unused,
+ struct perf_header *ph, int fd,
+ void *data __maybe_unused)
+{
+ size_t ret;
+ char *name;
+ u32 pmu_num;
+ u32 type;
+ struct strbuf sb;
+
+ ret = read(fd, &pmu_num, sizeof(pmu_num));
+ if (ret != sizeof(pmu_num))
+ return -1;
+
+ if (ph->needs_swap)
+ pmu_num = bswap_32(pmu_num);
+
+ if (!pmu_num) {
+ pr_debug("pmu mappings not available\n");
+ return 0;
+ }
+
+ ph->env.nr_pmu_mappings = pmu_num;
+ strbuf_init(&sb, 128);
+
+ while (pmu_num) {
+ if (read(fd, &type, sizeof(type)) != sizeof(type))
+ goto error;
+ if (ph->needs_swap)
+ type = bswap_32(type);
+
+ name = do_read_string(fd, ph);
+ if (!name)
+ goto error;
+
+ strbuf_addf(&sb, "%u:%s", type, name);
+ /* include a NULL character at the end */
+ strbuf_add(&sb, "", 1);
+
+ free(name);
+ pmu_num--;
+ }
+ ph->env.pmu_mappings = strbuf_detach(&sb, NULL);
+ return 0;
+
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
struct feature_ops {
int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
void (*print)(struct perf_header *h, int fd, FILE *fp);
int (*process)(struct perf_file_section *section,
- struct perf_header *h, int feat, int fd, void *data);
+ struct perf_header *h, int fd, void *data);
const char *name;
bool full_only;
};
@@ -1739,7 +1960,7 @@ struct feature_ops {
.process = process_##func }
#define FEAT_OPF(n, func) \
[n] = { .name = #n, .write = write_##func, .print = print_##func, \
- .full_only = true }
+ .process = process_##func, .full_only = true }
/* feature_ops not implemented: */
#define print_tracing_data NULL
@@ -1748,20 +1969,20 @@ struct feature_ops {
static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPP(HEADER_TRACING_DATA, tracing_data),
FEAT_OPP(HEADER_BUILD_ID, build_id),
- FEAT_OPA(HEADER_HOSTNAME, hostname),
- FEAT_OPA(HEADER_OSRELEASE, osrelease),
- FEAT_OPA(HEADER_VERSION, version),
- FEAT_OPA(HEADER_ARCH, arch),
- FEAT_OPA(HEADER_NRCPUS, nrcpus),
- FEAT_OPA(HEADER_CPUDESC, cpudesc),
- FEAT_OPA(HEADER_CPUID, cpuid),
- FEAT_OPA(HEADER_TOTAL_MEM, total_mem),
+ FEAT_OPP(HEADER_HOSTNAME, hostname),
+ FEAT_OPP(HEADER_OSRELEASE, osrelease),
+ FEAT_OPP(HEADER_VERSION, version),
+ FEAT_OPP(HEADER_ARCH, arch),
+ FEAT_OPP(HEADER_NRCPUS, nrcpus),
+ FEAT_OPP(HEADER_CPUDESC, cpudesc),
+ FEAT_OPP(HEADER_CPUID, cpuid),
+ FEAT_OPP(HEADER_TOTAL_MEM, total_mem),
FEAT_OPP(HEADER_EVENT_DESC, event_desc),
- FEAT_OPA(HEADER_CMDLINE, cmdline),
+ FEAT_OPP(HEADER_CMDLINE, cmdline),
FEAT_OPF(HEADER_CPU_TOPOLOGY, cpu_topology),
FEAT_OPF(HEADER_NUMA_TOPOLOGY, numa_topology),
FEAT_OPA(HEADER_BRANCH_STACK, branch_stack),
- FEAT_OPA(HEADER_PMU_MAPPINGS, pmu_mappings),
+ FEAT_OPP(HEADER_PMU_MAPPINGS, pmu_mappings),
};
struct header_print_data {
@@ -2241,7 +2462,7 @@ static int perf_file_section__process(struct perf_file_section *section,
if (!feat_ops[feat].process)
return 0;
- return feat_ops[feat].process(section, ph, feat, fd, data);
+ return feat_ops[feat].process(section, ph, fd, data);
}
static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 209dad4fee2b..99bdd3abce59 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -58,6 +58,29 @@ struct perf_header;
int perf_file_header__read(struct perf_file_header *header,
struct perf_header *ph, int fd);
+struct perf_session_env {
+ char *hostname;
+ char *os_release;
+ char *version;
+ char *arch;
+ int nr_cpus_online;
+ int nr_cpus_avail;
+ char *cpu_desc;
+ char *cpuid;
+ unsigned long long total_mem;
+
+ int nr_cmdline;
+ char *cmdline;
+ int nr_sibling_cores;
+ char *sibling_cores;
+ int nr_sibling_threads;
+ char *sibling_threads;
+ int nr_numa_nodes;
+ char *numa_nodes;
+ int nr_pmu_mappings;
+ char *pmu_mappings;
+};
+
struct perf_header {
int frozen;
bool needs_swap;
@@ -67,6 +90,7 @@ struct perf_header {
u64 event_offset;
u64 event_size;
DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+ struct perf_session_env env;
};
struct perf_evlist;
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index b442ee49452b..ead5316b3f89 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -243,15 +243,14 @@ size_t map__fprintf(struct map *self, FILE *fp)
size_t map__fprintf_dsoname(struct map *map, FILE *fp)
{
- const char *dsoname;
+ const char *dsoname = "[unknown]";
if (map && map->dso && (map->dso->name || map->dso->long_name)) {
if (symbol_conf.show_kernel_path && map->dso->long_name)
dsoname = map->dso->long_name;
else if (map->dso->name)
dsoname = map->dso->name;
- } else
- dsoname = "[unknown]";
+ }
return fprintf(fp, "%s", dsoname);
}
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 4ce04c2281d3..49a256e6e0a2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1100,6 +1100,7 @@ static int parse_probe_trace_command(const char *cmd,
struct probe_trace_point *tp = &tev->point;
char pr;
char *p;
+ char *argv0_str = NULL, *fmt, *fmt1_str, *fmt2_str, *fmt3_str;
int ret, i, argc;
char **argv;
@@ -1116,14 +1117,27 @@ static int parse_probe_trace_command(const char *cmd,
}
/* Scan event and group name. */
- ret = sscanf(argv[0], "%c:%a[^/ \t]/%a[^ \t]",
- &pr, (float *)(void *)&tev->group,
- (float *)(void *)&tev->event);
- if (ret != 3) {
+ argv0_str = strdup(argv[0]);
+ if (argv0_str == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ fmt1_str = strtok_r(argv0_str, ":", &fmt);
+ fmt2_str = strtok_r(NULL, "/", &fmt);
+ fmt3_str = strtok_r(NULL, " \t", &fmt);
+ if (fmt1_str == NULL || strlen(fmt1_str) != 1 || fmt2_str == NULL
+ || fmt3_str == NULL) {
semantic_error("Failed to parse event name: %s\n", argv[0]);
ret = -EINVAL;
goto out;
}
+ pr = fmt1_str[0];
+ tev->group = strdup(fmt2_str);
+ tev->event = strdup(fmt3_str);
+ if (tev->group == NULL || tev->event == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
pr_debug("Group:%s Event:%s probe:%c\n", tev->group, tev->event, pr);
tp->retprobe = (pr == 'r');
@@ -1135,10 +1149,17 @@ static int parse_probe_trace_command(const char *cmd,
p++;
} else
p = argv[1];
- ret = sscanf(p, "%a[^+]+%lu", (float *)(void *)&tp->symbol,
- &tp->offset);
- if (ret == 1)
+ fmt1_str = strtok_r(p, "+", &fmt);
+ tp->symbol = strdup(fmt1_str);
+ if (tp->symbol == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ fmt2_str = strtok_r(NULL, "", &fmt);
+ if (fmt2_str == NULL)
tp->offset = 0;
+ else
+ tp->offset = strtoul(fmt2_str, NULL, 10);
tev->nargs = argc - 2;
tev->args = zalloc(sizeof(struct probe_trace_arg) * tev->nargs);
@@ -1162,6 +1183,7 @@ static int parse_probe_trace_command(const char *cmd,
}
ret = 0;
out:
+ free(argv0_str);
argv_free(argv);
return ret;
}
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index ffde3e4e34aa..f80605eb1855 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -282,7 +282,7 @@ static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused,
event = find_cache_event(evsel);
if (!event)
- die("ug! no event found for type %d", evsel->attr.config);
+ die("ug! no event found for type %" PRIu64, evsel->attr.config);
pid = raw_field_value(event, "common_pid", data);
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 4ff45e30c726..b441b07172b7 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -34,6 +34,7 @@ static inline char *bfd_demangle(void __maybe_unused *v,
return NULL;
}
#else
+#define PACKAGE 'perf'
#include <bfd.h>
#endif
#endif
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 70c2c13ff679..f66610b7bacf 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -16,6 +16,8 @@ struct thread {
bool comm_set;
char *comm;
int comm_len;
+
+ void *priv;
};
struct machine;
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index aa4c860a21d1..3aabcd687cd5 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -229,24 +229,22 @@ void parse_proc_kallsyms(struct pevent *pevent,
char *next = NULL;
char *addr_str;
char *mod;
- char ch;
+ char *fmt;
line = strtok_r(file, "\n", &next);
while (line) {
mod = NULL;
- sscanf(line, "%as %c %as\t[%as",
- (float *)(void *)&addr_str, /* workaround gcc warning */
- &ch, (float *)(void *)&func, (float *)(void *)&mod);
+ addr_str = strtok_r(line, " ", &fmt);
addr = strtoull(addr_str, NULL, 16);
- free(addr_str);
-
- /* truncate the extra ']' */
+ /* skip character */
+ strtok_r(NULL, " ", &fmt);
+ func = strtok_r(NULL, "\t", &fmt);
+ mod = strtok_r(NULL, "]", &fmt);
+ /* truncate the extra '[' */
if (mod)
- mod[strlen(mod) - 1] = 0;
+ mod = mod + 1;
pevent_register_function(pevent, func, addr, mod);
- free(func);
- free(mod);
line = strtok_r(NULL, "\n", &next);
}