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Since clang's -Wmissing-field-initializers warns if a data
structure is initialized with a signle NULL as below,
----
tools/perf $ make CC=clang LLVM=1
...
arch/arm64/util/kvm-stat.c:74:9: error: missing field 'ops' initializer [-Werror,-Wmissing-field-initializers]
{ NULL },
^
1 error generated.
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add another field initializer expressly as same as other
arch's kvm-stat.c code.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Link: http://lore.kernel.org/lkml/162037767540.94840.15758657049033010518.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Relative path include works in the regular build due to -I paths but may
break in other situations.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Leo Yan <leo.yan@linaro.org>
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: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lore.kernel.org/lkml/20210416214113.552252-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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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>
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Masami Hiramatsu
Ian Rogers
Sergey Senozhatsky