3:12 p.m.
Add QMP command to allow management software to query for
CPU information for the running host.
The data returned by the command is in the form of a dictionary
of QOM properties.
This series depends on the "Add runnability info to
query-cpu-definitions" series I sent 2 weeks ago.
Git tree:
https://github.com/ehabkost/qemu-hacks.git work/query-host-cpu
Example output for x86:
{
"qom-properties": {
"pfthreshold": false,
"pku": false,
"rtm": false,
"tsc-deadline": true,
"xstore-en": false,
"cpuid-0xb": true,
"abm": true,
"ia64": false,
"kvm-mmu": false,
"xsaveopt": true,
"hv-spinlocks": -1,
"hotpluggable": true,
"tce": false,
"smep": true,
"nx": true,
"xcrypt": false,
"sse4_2": true,
"clflush": true,
"sse4_1": true,
"flushbyasid": false,
"kvm-steal-time": true,
"host-cache-info": false,
"tsc": true,
"adx": false,
"ds": false,
"fxsr": true,
"tm": false,
"hv-relaxed": false,
"pclmuldq": true,
"xgetbv1": false,
"xstore": false,
"migratable": true,
"vme": true,
"vendor": "GenuineIntel",
"arat": true,
"ffxsr": false,
"de": true,
"aes": true,
"pse": true,
"ds-cpl": false,
"tbm": false,
"sse": true,
"phe-en": false,
"f16c": true,
"hotplugged": true,
"mpx": false,
"tsc-adjust": true,
"avx512f": false,
"avx2": true,
"misalignsse": false,
"level": 13,
"pbe": false,
"cx16": true,
"avx512pf": false,
"movbe": true,
"perfctr-nb": false,
"enforce": false,
"ospke": false,
"pmu": true,
"fma4": false,
"stepping": 1,
"feature-words": [
{
"cpuid-register": "EAX",
"cpuid-input-eax": 6,
"features": 4
},
{
"cpuid-register": "EAX",
"cpuid-input-eax": 13,
"features": 1,
"cpuid-input-ecx": 1
},
{
"cpuid-register": "EDX",
"cpuid-input-eax": 2147483658,
"features": 0
},
{
"cpuid-register": "EAX",
"cpuid-input-eax": 1073741825,
"features": 16777467
},
{
"cpuid-register": "EDX",
"cpuid-input-eax": 3221225473,
"features": 0
},
{
"cpuid-register": "EDX",
"cpuid-input-eax": 2147483655,
"features": 0
},
{
"cpuid-register": "ECX",
"cpuid-input-eax": 2147483649,
"features": 33
},
{
"cpuid-register": "EDX",
"cpuid-input-eax": 2147483649,
"features": 739248128
},
{
"cpuid-register": "ECX",
"cpuid-input-eax": 7,
"features": 0,
"cpuid-input-ecx": 0
},
{
"cpuid-register": "EBX",
"cpuid-input-eax": 7,
"features": 1963,
"cpuid-input-ecx": 0
},
{
"cpuid-register": "ECX",
"cpuid-input-eax": 1,
"features": 4160369155
},
{
"cpuid-register": "EDX",
"cpuid-input-eax": 1,
"features": 260832255
}
],
"sse4a": false,
"i64": true,
"xsave": true,
"hv-runtime": false,
"pmm": false,
"hle": false,
"hv-crash": false,
"est": false,
"xop": false,
"smx": false,
"tsc-scale": false,
"monitor": false,
"avx512er": false,
"apic": true,
"sse4.1": true,
"sse4.2": true,
"hv-vapic": false,
"pause-filter": false,
"lahf-lm": true,
"kvm-nopiodelay": true,
"acpi": false,
"mmx": true,
"osxsave": false,
"pcommit": false,
"clwb": false,
"dca": false,
"pdcm": false,
"xcrypt-en": false,
"3dnow": false,
"invtsc": false,
"tm2": false,
"hv-time": false,
"hypervisor": true,
"kvmclock-stable-bit": true,
"xlevel": 2147483656,
"fxsr-opt": false,
"pcid": true,
"lbrv": false,
"wdt": false,
"svm-lock": false,
"popcnt": true,
"nrip-save": false,
"x2apic": true,
"kvmclock": true,
"smap": false,
"pdpe1gb": true,
"family": 6,
"xlevel2": 0,
"dtes64": false,
"xd": true,
"ace2": false,
"xtpr": false,
"lwp": false,
"sep": true,
"msr": true,
"syscall": true,
"decodeassists": false,
"perfctr-core": false,
"pge": true,
"pn": false,
"fma": true,
"nodeid-msr": false,
"hv-vpindex": false,
"cx8": true,
"mce": true,
"avx512cd": false,
"cr8legacy": false,
"mca": true,
"pni": true,
"hv-vendor-id": "",
"rdseed": false,
"osvw": false,
"fsgsbase": true,
"model-id": "Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz",
"cmp-legacy": false,
"kvm-pv-unhalt": true,
"rdtscp": true,
"mmxext": false,
"cid": false,
"type": "host-x86_64-cpu",
"vmx": false,
"ssse3": true,
"extapic": false,
"pse36": true,
"mtrr": true,
"ibs": false,
"avx": true,
"ace2-en": false,
"invpcid": true,
"bmi2": true,
"vmcb-clean": false,
"erms": true,
"cmov": true,
"check": true,
"parent_bus": "",
"clflushopt": false,
"pat": true,
"hv-synic": false,
"hv-stimer": false,
"3dnowprefetch": false,
"fpu": true,
"pae": true,
"hv-reset": false,
"skinit": false,
"kvm": true,
"pmm-en": false,
"phe": false,
"3dnowext": false,
"ht": false,
"tsc-frequency": 0,
"kvm-pv-eoi": true,
"npt": false,
"apic-id": -1,
"xsavec": false,
"lm": true,
"pclmulqdq": true,
"svm": false,
"sse3": true,
"sse2": true,
"ss": true,
"topoext": false,
"rdrand": true,
"bmi1": true,
"kvm-asyncpf": true,
"xsaves": false,
"model": 69
}
}
Eduardo Habkost (3):
qmp: Add query-host-cpu command
target-i386: Introduce x86_cpu_load_host_data() function
target-i386: Implement arch_query_host_cpu_info()
include/sysemu/arch_init.h | 1 +
qapi-schema.json | 36 +++++++++++++++++
qmp-commands.hx | 6 +++
qmp.c | 13 ++++++
stubs/Makefile.objs | 1 +
stubs/arch-query-host-cpu-info.c | 8 ++++
target-i386/cpu.c | 87 ++++++++++++++++++++++++++++++++++++----
7 files changed, 145 insertions(+), 7 deletions(-)
create mode 100644 stubs/arch-query-host-cpu-info.c
--
2.5.5