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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2020-10-27 07:24:21 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-11-04 13:42:41 +0100 |
| commit | 1218838d68f5e9cc195685f17375be96a54832c7 (patch) | |
| tree | 423d8745e6bc59d982cc7f352085991aa5e9a726 /tools/perf/arch/arm64/util/Build | |
| parent | perf env: Conditionally compile BPF support code on having HAVE_LIBBPF_SUPPORT (diff) | |
| download | linux-1218838d68f5e9cc195685f17375be96a54832c7.tar.xz linux-1218838d68f5e9cc195685f17375be96a54832c7.zip | |
perf kvm: Add kvm-stat for arm64
Add support for 'perf kvm stat' on arm64 platform.
Example:
# perf kvm stat report
Analyze events for all VMs, all VCPUs:
VM-EXIT Samples Samples% Time% Min Time Max Time Avg time
DABT_LOW 661867 98.91% 40.45% 2.19us 3364.65us 6.24us ( +- 0.34% )
IRQ 4598 0.69% 57.44% 2.89us 3397.59us 1276.27us ( +- 1.61% )
WFx 1475 0.22% 1.71% 2.22us 3388.63us 118.31us ( +- 8.69% )
IABT_LOW 1018 0.15% 0.38% 2.22us 2742.07us 38.29us ( +- 12.55% )
SYS64 180 0.03% 0.01% 2.07us 112.91us 6.57us ( +- 14.95% )
HVC64 17 0.00% 0.01% 2.19us 322.35us 42.95us ( +- 58.98% )
Total Samples:669155, Total events handled time:10216387.86us.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Suleiman Souhlal <suleiman@google.com>
Link: http://lore.kernel.org/lkml/20201027062421.463355-1-sergey.senozhatsky@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/arm64/util/Build')
| -rw-r--r-- | tools/perf/arch/arm64/util/Build | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build index b53294d74b01..8d2b9bcfffca 100644 --- a/tools/perf/arch/arm64/util/Build +++ b/tools/perf/arch/arm64/util/Build @@ -2,6 +2,7 @@ perf-y += header.o perf-y += machine.o perf-y += perf_regs.o perf-y += tsc.o +perf-y += kvm-stat.o perf-$(CONFIG_DWARF) += dwarf-regs.o perf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o |