aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDaniel P. Berrangé <berrange@redhat.com>2021-02-22 12:54:55 +0000
committerDaniel P. Berrangé <berrange@redhat.com>2021-03-18 09:22:55 +0000
commit8af54b9172ff3b9bbdbb3191ed84994d275a0d81 (patch)
treec664dd47c9b01338d7266c2a71e7219702e66eb6
parentcbde7be900d2a2279cbc4becb91d1ddd6a014def (diff)
downloadqemu-arm-8af54b9172ff3b9bbdbb3191ed84994d275a0d81.tar.gz
machine: remove 'query-cpus' QMP command
The newer 'query-cpus-fast' command avoids side effects on the guest execution. Note that some of the field names are different in the 'query-cpus-fast' command. Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
-rw-r--r--docs/system/deprecated.rst5
-rw-r--r--docs/system/removed-features.rst5
-rw-r--r--hw/core/machine-hmp-cmds.c8
-rw-r--r--hw/core/machine-qmp-cmds.c79
-rw-r--r--qapi/machine.json161
-rw-r--r--tests/acceptance/pc_cpu_hotplug_props.py2
-rw-r--r--tests/acceptance/x86_cpu_model_versions.py2
-rw-r--r--tests/migration/guestperf/engine.py2
-rw-r--r--tests/qtest/numa-test.c6
-rw-r--r--tests/qtest/qmp-test.c6
-rw-r--r--tests/qtest/test-x86-cpuid-compat.c4
11 files changed, 22 insertions, 258 deletions
diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst
index c92387180c..9a62afa6de 100644
--- a/docs/system/deprecated.rst
+++ b/docs/system/deprecated.rst
@@ -228,11 +228,6 @@ Since the ``dirty-bitmaps`` field is optionally present in both the old and
new locations, clients must use introspection to learn where to anticipate
the field if/when it does appear in command output.
-``query-cpus`` (since 2.12.0)
-'''''''''''''''''''''''''''''
-
-The ``query-cpus`` command is replaced by the ``query-cpus-fast`` command.
-
``query-cpus-fast`` ``arch`` output member (since 3.0.0)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''
diff --git a/docs/system/removed-features.rst b/docs/system/removed-features.rst
index d7f46a6ebc..d7d86b3143 100644
--- a/docs/system/removed-features.rst
+++ b/docs/system/removed-features.rst
@@ -93,6 +93,11 @@ Use ``migrate_set_parameter`` and ``info migrate_parameters`` instead.
Use ``migrate_set_parameter`` instead.
+``query-cpus`` (removed in 6.0)
+'''''''''''''''''''''''''''''''
+
+The ``query-cpus`` command is replaced by the ``query-cpus-fast`` command.
+
Human Monitor Protocol (HMP) commands
-------------------------------------
diff --git a/hw/core/machine-hmp-cmds.c b/hw/core/machine-hmp-cmds.c
index 6357be9c6b..58248cffa3 100644
--- a/hw/core/machine-hmp-cmds.c
+++ b/hw/core/machine-hmp-cmds.c
@@ -130,7 +130,7 @@ void hmp_info_numa(Monitor *mon, const QDict *qdict)
{
int i, nb_numa_nodes;
NumaNodeMem *node_mem;
- CpuInfoList *cpu_list, *cpu;
+ CpuInfoFastList *cpu_list, *cpu;
MachineState *ms = MACHINE(qdev_get_machine());
nb_numa_nodes = ms->numa_state ? ms->numa_state->num_nodes : 0;
@@ -139,7 +139,7 @@ void hmp_info_numa(Monitor *mon, const QDict *qdict)
return;
}
- cpu_list = qmp_query_cpus(&error_abort);
+ cpu_list = qmp_query_cpus_fast(&error_abort);
node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
query_numa_node_mem(node_mem, ms);
@@ -148,7 +148,7 @@ void hmp_info_numa(Monitor *mon, const QDict *qdict)
for (cpu = cpu_list; cpu; cpu = cpu->next) {
if (cpu->value->has_props && cpu->value->props->has_node_id &&
cpu->value->props->node_id == i) {
- monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
+ monitor_printf(mon, " %" PRIi64, cpu->value->cpu_index);
}
}
monitor_printf(mon, "\n");
@@ -157,6 +157,6 @@ void hmp_info_numa(Monitor *mon, const QDict *qdict)
monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
node_mem[i].node_plugged_mem >> 20);
}
- qapi_free_CpuInfoList(cpu_list);
+ qapi_free_CpuInfoFastList(cpu_list);
g_free(node_mem);
}
diff --git a/hw/core/machine-qmp-cmds.c b/hw/core/machine-qmp-cmds.c
index 44e979e503..af60cd969d 100644
--- a/hw/core/machine-qmp-cmds.c
+++ b/hw/core/machine-qmp-cmds.c
@@ -24,85 +24,6 @@
#include "sysemu/runstate.h"
#include "sysemu/sysemu.h"
-CpuInfoList *qmp_query_cpus(Error **errp)
-{
- MachineState *ms = MACHINE(qdev_get_machine());
- MachineClass *mc = MACHINE_GET_CLASS(ms);
- CpuInfoList *head = NULL, **tail = &head;
- CPUState *cpu;
-
- CPU_FOREACH(cpu) {
- CpuInfo *value;
-#if defined(TARGET_I386)
- X86CPU *x86_cpu = X86_CPU(cpu);
- CPUX86State *env = &x86_cpu->env;
-#elif defined(TARGET_PPC)
- PowerPCCPU *ppc_cpu = POWERPC_CPU(cpu);
- CPUPPCState *env = &ppc_cpu->env;
-#elif defined(TARGET_SPARC)
- SPARCCPU *sparc_cpu = SPARC_CPU(cpu);
- CPUSPARCState *env = &sparc_cpu->env;
-#elif defined(TARGET_RISCV)
- RISCVCPU *riscv_cpu = RISCV_CPU(cpu);
- CPURISCVState *env = &riscv_cpu->env;
-#elif defined(TARGET_MIPS)
- MIPSCPU *mips_cpu = MIPS_CPU(cpu);
- CPUMIPSState *env = &mips_cpu->env;
-#elif defined(TARGET_TRICORE)
- TriCoreCPU *tricore_cpu = TRICORE_CPU(cpu);
- CPUTriCoreState *env = &tricore_cpu->env;
-#elif defined(TARGET_S390X)
- S390CPU *s390_cpu = S390_CPU(cpu);
- CPUS390XState *env = &s390_cpu->env;
-#endif
-
- cpu_synchronize_state(cpu);
-
- value = g_malloc0(sizeof(*value));
- value->CPU = cpu->cpu_index;
- value->current = (cpu == first_cpu);
- value->halted = cpu->halted;
- value->qom_path = object_get_canonical_path(OBJECT(cpu));
- value->thread_id = cpu->thread_id;
-#if defined(TARGET_I386)
- value->arch = CPU_INFO_ARCH_X86;
- value->u.x86.pc = env->eip + env->segs[R_CS].base;
-#elif defined(TARGET_PPC)
- value->arch = CPU_INFO_ARCH_PPC;
- value->u.ppc.nip = env->nip;
-#elif defined(TARGET_SPARC)
- value->arch = CPU_INFO_ARCH_SPARC;
- value->u.q_sparc.pc = env->pc;
- value->u.q_sparc.npc = env->npc;
-#elif defined(TARGET_MIPS)
- value->arch = CPU_INFO_ARCH_MIPS;
- value->u.q_mips.PC = env->active_tc.PC;
-#elif defined(TARGET_TRICORE)
- value->arch = CPU_INFO_ARCH_TRICORE;
- value->u.tricore.PC = env->PC;
-#elif defined(TARGET_S390X)
- value->arch = CPU_INFO_ARCH_S390;
- value->u.s390.cpu_state = env->cpu_state;
-#elif defined(TARGET_RISCV)
- value->arch = CPU_INFO_ARCH_RISCV;
- value->u.riscv.pc = env->pc;
-#else
- value->arch = CPU_INFO_ARCH_OTHER;
-#endif
- value->has_props = !!mc->cpu_index_to_instance_props;
- if (value->has_props) {
- CpuInstanceProperties *props;
- props = g_malloc0(sizeof(*props));
- *props = mc->cpu_index_to_instance_props(ms, cpu->cpu_index);
- value->props = props;
- }
-
- QAPI_LIST_APPEND(tail, value);
- }
-
- return head;
-}
-
static CpuInfoArch sysemu_target_to_cpuinfo_arch(SysEmuTarget target)
{
/*
diff --git a/qapi/machine.json b/qapi/machine.json
index 330189efe3..9811927504 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -38,7 +38,7 @@
# @CpuInfoArch:
#
# An enumeration of cpu types that enable additional information during
-# @query-cpus and @query-cpus-fast.
+# @query-cpus-fast.
#
# @s390: since 2.12
#
@@ -50,114 +50,6 @@
'data': ['x86', 'sparc', 'ppc', 'mips', 'tricore', 's390', 'riscv', 'other' ] }
##
-# @CpuInfo:
-#
-# Information about a virtual CPU
-#
-# @CPU: the index of the virtual CPU
-#
-# @current: this only exists for backwards compatibility and should be ignored
-#
-# @halted: true if the virtual CPU is in the halt state. Halt usually refers
-# to a processor specific low power mode.
-#
-# @qom_path: path to the CPU object in the QOM tree (since 2.4)
-#
-# @thread_id: ID of the underlying host thread
-#
-# @props: properties describing to which node/socket/core/thread
-# virtual CPU belongs to, provided if supported by board (since 2.10)
-#
-# @arch: architecture of the cpu, which determines which additional fields
-# will be listed (since 2.6)
-#
-# Since: 0.14
-#
-# Notes: @halted is a transient state that changes frequently. By the time the
-# data is sent to the client, the guest may no longer be halted.
-##
-{ 'union': 'CpuInfo',
- 'base': {'CPU': 'int', 'current': 'bool', 'halted': 'bool',
- 'qom_path': 'str', 'thread_id': 'int',
- '*props': 'CpuInstanceProperties', 'arch': 'CpuInfoArch' },
- 'discriminator': 'arch',
- 'data': { 'x86': 'CpuInfoX86',
- 'sparc': 'CpuInfoSPARC',
- 'ppc': 'CpuInfoPPC',
- 'mips': 'CpuInfoMIPS',
- 'tricore': 'CpuInfoTricore',
- 's390': 'CpuInfoS390',
- 'riscv': 'CpuInfoRISCV' } }
-
-##
-# @CpuInfoX86:
-#
-# Additional information about a virtual i386 or x86_64 CPU
-#
-# @pc: the 64-bit instruction pointer
-#
-# Since: 2.6
-##
-{ 'struct': 'CpuInfoX86', 'data': { 'pc': 'int' } }
-
-##
-# @CpuInfoSPARC:
-#
-# Additional information about a virtual SPARC CPU
-#
-# @pc: the PC component of the instruction pointer
-#
-# @npc: the NPC component of the instruction pointer
-#
-# Since: 2.6
-##
-{ 'struct': 'CpuInfoSPARC', 'data': { 'pc': 'int', 'npc': 'int' } }
-
-##
-# @CpuInfoPPC:
-#
-# Additional information about a virtual PPC CPU
-#
-# @nip: the instruction pointer
-#
-# Since: 2.6
-##
-{ 'struct': 'CpuInfoPPC', 'data': { 'nip': 'int' } }
-
-##
-# @CpuInfoMIPS:
-#
-# Additional information about a virtual MIPS CPU
-#
-# @PC: the instruction pointer
-#
-# Since: 2.6
-##
-{ 'struct': 'CpuInfoMIPS', 'data': { 'PC': 'int' } }
-
-##
-# @CpuInfoTricore:
-#
-# Additional information about a virtual Tricore CPU
-#
-# @PC: the instruction pointer
-#
-# Since: 2.6
-##
-{ 'struct': 'CpuInfoTricore', 'data': { 'PC': 'int' } }
-
-##
-# @CpuInfoRISCV:
-#
-# Additional information about a virtual RISCV CPU
-#
-# @pc: the instruction pointer
-#
-# Since 2.12
-##
-{ 'struct': 'CpuInfoRISCV', 'data': { 'pc': 'int' } }
-
-##
# @CpuS390State:
#
# An enumeration of cpu states that can be assumed by a virtual
@@ -181,53 +73,6 @@
{ 'struct': 'CpuInfoS390', 'data': { 'cpu-state': 'CpuS390State' } }
##
-# @query-cpus:
-#
-# Returns a list of information about each virtual CPU.
-#
-# This command causes vCPU threads to exit to userspace, which causes
-# a small interruption to guest CPU execution. This will have a negative
-# impact on realtime guests and other latency sensitive guest workloads.
-#
-# Features:
-# @deprecated: This command is deprecated, because it interferes with
-# the guest. Use 'query-cpus-fast' instead to avoid the vCPU
-# interruption.
-#
-# Returns: a list of @CpuInfo for each virtual CPU
-#
-# Since: 0.14
-#
-# Example:
-#
-# -> { "execute": "query-cpus" }
-# <- { "return": [
-# {
-# "CPU":0,
-# "current":true,
-# "halted":false,
-# "qom_path":"/machine/unattached/device[0]",
-# "arch":"x86",
-# "pc":3227107138,
-# "thread_id":3134
-# },
-# {
-# "CPU":1,
-# "current":false,
-# "halted":true,
-# "qom_path":"/machine/unattached/device[2]",
-# "arch":"x86",
-# "pc":7108165,
-# "thread_id":3135
-# }
-# ]
-# }
-#
-##
-{ 'command': 'query-cpus', 'returns': ['CpuInfo'],
- 'features': [ 'deprecated' ] }
-
-##
# @CpuInfoFast:
#
# Information about a virtual CPU
@@ -266,9 +111,7 @@
##
# @query-cpus-fast:
#
-# Returns information about all virtual CPUs. This command does not
-# incur a performance penalty and should be used in production
-# instead of query-cpus.
+# Returns information about all virtual CPUs.
#
# Returns: list of @CpuInfoFast
#
diff --git a/tests/acceptance/pc_cpu_hotplug_props.py b/tests/acceptance/pc_cpu_hotplug_props.py
index e49bf33fc5..f48f68fc6b 100644
--- a/tests/acceptance/pc_cpu_hotplug_props.py
+++ b/tests/acceptance/pc_cpu_hotplug_props.py
@@ -32,4 +32,4 @@ class OmittedCPUProps(Test):
self.vm.add_args('-cpu', 'qemu64')
self.vm.add_args('-device', 'qemu64-x86_64-cpu,socket-id=1,core-id=0,thread-id=0')
self.vm.launch()
- self.assertEquals(len(self.vm.command('query-cpus')), 2)
+ self.assertEquals(len(self.vm.command('query-cpus-fast')), 2)
diff --git a/tests/acceptance/x86_cpu_model_versions.py b/tests/acceptance/x86_cpu_model_versions.py
index 2b7461bb41..77ed8597a4 100644
--- a/tests/acceptance/x86_cpu_model_versions.py
+++ b/tests/acceptance/x86_cpu_model_versions.py
@@ -246,7 +246,7 @@ class CascadelakeArchCapabilities(avocado_qemu.Test):
:avocado: tags=arch:x86_64
"""
def get_cpu_prop(self, prop):
- cpu_path = self.vm.command('query-cpus')[0].get('qom_path')
+ cpu_path = self.vm.command('query-cpus-fast')[0].get('qom-path')
return self.vm.command('qom-get', path=cpu_path, property=prop)
def test_4_1(self):
diff --git a/tests/migration/guestperf/engine.py b/tests/migration/guestperf/engine.py
index 5161e4ff81..5c965140f8 100644
--- a/tests/migration/guestperf/engine.py
+++ b/tests/migration/guestperf/engine.py
@@ -110,7 +110,7 @@ class Engine(object):
src_vcpu_time = []
src_pid = src.get_pid()
- vcpus = src.command("query-cpus")
+ vcpus = src.command("query-cpus-fast")
src_threads = []
for vcpu in vcpus:
src_threads.append(vcpu["thread_id"])
diff --git a/tests/qtest/numa-test.c b/tests/qtest/numa-test.c
index b25ebf97d8..dc0ec571ca 100644
--- a/tests/qtest/numa-test.c
+++ b/tests/qtest/numa-test.c
@@ -72,7 +72,7 @@ static void test_mon_partial(const void *data)
static QList *get_cpus(QTestState *qts, QDict **resp)
{
- *resp = qtest_qmp(qts, "{ 'execute': 'query-cpus' }");
+ *resp = qtest_qmp(qts, "{ 'execute': 'query-cpus-fast' }");
g_assert(*resp);
g_assert(qdict_haskey(*resp, "return"));
return qdict_get_qlist(*resp, "return");
@@ -97,10 +97,10 @@ static void test_query_cpus(const void *data)
int64_t cpu_idx, node;
cpu = qobject_to(QDict, e);
- g_assert(qdict_haskey(cpu, "CPU"));
+ g_assert(qdict_haskey(cpu, "cpu-index"));
g_assert(qdict_haskey(cpu, "props"));
- cpu_idx = qdict_get_int(cpu, "CPU");
+ cpu_idx = qdict_get_int(cpu, "cpu-index");
props = qdict_get_qdict(cpu, "props");
g_assert(qdict_haskey(props, "node-id"));
node = qdict_get_int(props, "node-id");
diff --git a/tests/qtest/qmp-test.c b/tests/qtest/qmp-test.c
index 11614bf63f..cd27fae3de 100644
--- a/tests/qtest/qmp-test.c
+++ b/tests/qtest/qmp-test.c
@@ -252,7 +252,7 @@ static void test_qmp_oob(void)
* Try any command that does not support OOB but with OOB flag. We
* should get failure.
*/
- resp = qtest_qmp(qts, "{ 'exec-oob': 'query-cpus' }");
+ resp = qtest_qmp(qts, "{ 'exec-oob': 'query-cpus-fast' }");
g_assert(qdict_haskey(resp, "error"));
qobject_unref(resp);
@@ -289,7 +289,7 @@ static void test_qmp_preconfig(void)
g_assert(!qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'query-commands' }")));
/* forbidden commands, expected error */
- g_assert(qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'query-cpus' }")));
+ g_assert(qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'query-cpus-fast' }")));
/* check that query-status returns preconfig state */
rsp = qtest_qmp(qs, "{ 'execute': 'query-status' }");
@@ -313,7 +313,7 @@ static void test_qmp_preconfig(void)
g_assert(qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'x-exit-preconfig' }")));
/* enabled commands, no error expected */
- g_assert(!qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'query-cpus' }")));
+ g_assert(!qmp_rsp_is_err(qtest_qmp(qs, "{ 'execute': 'query-cpus-fast' }")));
qtest_quit(qs);
}
diff --git a/tests/qtest/test-x86-cpuid-compat.c b/tests/qtest/test-x86-cpuid-compat.c
index 6470f0a85d..f28848e06e 100644
--- a/tests/qtest/test-x86-cpuid-compat.c
+++ b/tests/qtest/test-x86-cpuid-compat.c
@@ -13,12 +13,12 @@ static char *get_cpu0_qom_path(void)
QDict *cpu0;
char *path;
- resp = qmp("{'execute': 'query-cpus', 'arguments': {}}");
+ resp = qmp("{'execute': 'query-cpus-fast', 'arguments': {}}");
g_assert(qdict_haskey(resp, "return"));
ret = qdict_get_qlist(resp, "return");
cpu0 = qobject_to(QDict, qlist_peek(ret));
- path = g_strdup(qdict_get_str(cpu0, "qom_path"));
+ path = g_strdup(qdict_get_str(cpu0, "qom-path"));
qobject_unref(resp);
return path;
}