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authorDavid S. Miller <davem@davemloft.net>2010-01-20 03:04:14 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-20 16:23:03 -0800
commita084b6678a89a106a350c12e4845f42ccc9811f0 (patch)
treebf6b07e5590f5ecc69c8fcfc1cd6edf6c06bf811 /arch/sparc/mm
parente7bef6b04ca2e8e4cf667c43d7e2ab3034a869d5 (diff)
downloadlinux-linaro-a084b6678a89a106a350c12e4845f42ccc9811f0.tar.gz
sparc: Add missing SW perf fault events.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/fault_32.c12
-rw-r--r--arch/sparc/mm/fault_64.c13
2 files changed, 20 insertions, 5 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index b99f81c4906..a3413acb8f1 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -18,6 +18,7 @@
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/smp.h>
+#include <linux/perf_event.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/kdebug.h>
@@ -203,6 +204,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
if (in_atomic() || !mm)
goto no_context;
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+
down_read(&mm->mmap_sem);
/*
@@ -249,10 +252,15 @@ good_area:
goto do_sigbus;
BUG();
}
- if (fault & VM_FAULT_MAJOR)
+ if (fault & VM_FAULT_MAJOR) {
current->maj_flt++;
- else
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ regs, address);
+ } else {
current->min_flt++;
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ regs, address);
+ }
up_read(&mm->mmap_sem);
return;
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 6081936bf03..b9d4ff02b8f 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/perf_event.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
@@ -296,6 +297,8 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
if (in_atomic() || !mm)
goto intr_or_no_mm;
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+
if (!down_read_trylock(&mm->mmap_sem)) {
if ((regs->tstate & TSTATE_PRIV) &&
!search_exception_tables(regs->tpc)) {
@@ -400,11 +403,15 @@ good_area:
goto do_sigbus;
BUG();
}
- if (fault & VM_FAULT_MAJOR)
+ if (fault & VM_FAULT_MAJOR) {
current->maj_flt++;
- else
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ regs, address);
+ } else {
current->min_flt++;
-
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ regs, address);
+ }
up_read(&mm->mmap_sem);
mm_rss = get_mm_rss(mm);