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046b243a6a
linux/tools/perf
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Lei Zhao 046b243a6a 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>
2021-05-12 12:43:12 -03:00
..
arch perf x86 kvm-stat: Support to analyze kvm MSR 2021-05-12 12:43:12 -03:00
bench perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
Documentation perf intel-pt: Parse VM Time Correlation options and set up decoding 2021-05-12 12:43:11 -03:00
examples/bpf perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
include/bpf perf bpf: Remove bpf/ subdir from bpf.h headers used to build bpf events 2020-02-18 10:13:28 -03:00
jvmti perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
pmu-events perf jevents: Silence warning for ArchStd files 2021-05-10 09:00:59 -03:00
python tweewide: Fix most Shebang lines 2020-12-08 23:30:04 +09:00
scripts perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
tests tools headers UAPI: Sync perf_event.h with the kernel sources 2021-05-10 09:01:01 -03:00
trace perf tools changes for v5.13: 1st batch 2021-05-01 12:22:38 -07:00
ui perf report: Print percentage of each event statistics 2021-04-29 10:30:59 -03:00
util perf stat: Use aggregated counts directly 2021-05-12 12:43:11 -03:00
.gitignore perf: Update .gitignore file 2021-04-20 08:40:20 -03:00
Build perf daemon: Add daemon command 2021-02-09 15:42:57 -03:00
builtin-annotate.c perf report: Add --skip-empty option to suppress 0 event stat 2021-04-29 10:30:59 -03:00
builtin-bench.c perf bench: Add build-id injection benchmark 2020-10-13 10:59:42 -03:00
builtin-buildid-cache.c perf buildid-cache: Add --debuginfod option to specify a server to fetch debug files 2020-12-28 12:20:39 -03:00
builtin-buildid-list.c perf buildid-list: Add support for mmap2's buildid events 2020-12-28 12:23:09 -03:00
builtin-c2c.c perf c2c: Support data block and addr block 2021-02-08 16:25:00 -03:00
builtin-config.c
builtin-daemon.c Merge remote-tracking branch 'torvalds/master' into perf/core 2021-03-29 10:39:10 -03:00
builtin-data.c perf data: Add JSON export 2021-04-29 10:30:58 -03:00
builtin-diff.c perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
builtin-evlist.c perf evlist: Support pipe mode display 2020-12-17 14:36:17 -03:00
builtin-ftrace.c perf ftrace: Fix access to pid in array when setting a pid filter 2021-04-23 15:58:10 -03:00
builtin-help.c
builtin-inject.c perf inject: Add --vm-time-correlation option 2021-05-12 12:43:10 -03:00
builtin-kallsyms.c
builtin-kmem.c perf evlist: Use the right prefix for 'struct evlist' 'find' methods 2020-11-30 09:48:07 -03:00
builtin-kvm.c perf evlist: Use the right prefix for 'struct evlist' mmap pages parsing method 2020-11-30 15:15:30 -03:00
builtin-list.c perf list: Remove dead code in argument check 2020-09-09 11:12:10 -03:00
builtin-lock.c perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
builtin-mem.c perf tools: Support data block and addr block 2021-02-08 16:25:00 -03:00
builtin-probe.c perf probe: Do not show the skipped events 2020-05-28 10:03:24 -03:00
builtin-record.c perf record: Set timestamp boundary for AUX area events 2021-05-12 12:43:11 -03:00
builtin-report.c perf report: Make --skip-empty as default 2021-04-29 10:30:59 -03:00
builtin-sched.c perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
builtin-script.c perf tools: Fix various typos in comments 2021-03-23 17:13:43 -03:00
builtin-stat.c perf stat: Warn group events from different hybrid PMU 2021-04-29 10:30:59 -03:00
builtin-timechart.c perf tools: Replace zero-length array with flexible-array 2020-05-28 10:03:27 -03:00
builtin-top.c perf top: Use evlist->events_stat to count events 2021-04-29 10:30:58 -03:00
builtin-trace.c perf trace: Fix race in signal handling 2021-03-06 16:54:32 -03:00
builtin-version.c perf version: Add a feature for libpfm4 2020-11-04 09:42:40 -03:00
builtin.h perf daemon: Add daemon command 2021-02-09 15:42:57 -03:00
check-headers.sh perf tools changes for v5.13: 1st batch 2021-05-01 12:22:38 -07:00
command-list.txt perf stat: Enable iostat mode for x86 platforms 2021-04-20 08:40:20 -03:00
CREDITS
design.txt perf tools: Support CAP_PERFMON capability 2020-04-16 12:19:08 -03:00
Makefile perf tools: Add a build-test variant to use in builds from a tarball 2021-04-20 08:43:58 -03:00
Makefile.config perf tools: Fix dynamic libbpf link 2021-05-10 09:01:00 -03:00
Makefile.perf perf tools: Enable libtraceevent dynamic linking 2021-04-29 10:31:00 -03:00
MANIFEST scripts/bpf: Abstract eBPF API target parameter 2021-03-04 18:39:45 -08:00
perf-archive.sh perf archive: Fix filtering of empty build-ids 2021-03-06 16:54:31 -03:00
perf-completion.sh
perf-iostat.sh perf stat: Enable iostat mode for x86 platforms 2021-04-20 08:40:20 -03:00
perf-read-vdso.c
perf-sys.h perf tests: Call test_attr__open() directly 2020-09-10 11:55:37 -03:00
perf-with-kcore.sh
perf.c perf daemon: Add daemon command 2021-02-09 15:42:57 -03:00
perf.h