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| author | Lei Zhao <zhaolei27@baidu.com> | 2021-04-15 10:00:01 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-05-12 18:43:12 +0300 |
| commit | 046b243a6afb74d276ca52a81be62aed9a90672b (patch) | |
| tree | 2c483ca0e89777c448e30f4b2187fcb9fa2a4576 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | 07b747f99ab47a167cfae5f5588ca22f4e0da7fe (diff) | |
| download | linux-046b243a6afb74d276ca52a81be62aed9a90672b.tar.xz | |
perf x86 kvm-stat: Support to analyze kvm MSR
usage:
- kvm stat
run a command and gather performance counter statistics
- show the result:
perf kvm stat report --event=msr
See the msr events:
Analyze events for all VMs, all VCPUs:
MSR Access Samples Samples% Time% Min Time Max Time Avg time
0x6e0:W 67007 98.17% 98.31% 0.59us 10.69us 0.90us ( +- 0.10% )
0x830:W 1186 1.74% 1.60% 0.53us 108.34us 0.82us ( +- 11.02% )
0x3b:R 66 0.10% 0.09% 0.56us 1.26us 0.80us ( +- 3.24% )
Total Samples:68259, Total events handled time:61150.95us.
Signed-off-by: Lei Zhao <zhaolei27@baidu.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/1618470001-7239-1-git-send-email-lirongqing@baidu.com
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions