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| author | Kan Liang <kan.liang@linux.intel.com> | 2021-01-05 11:57:49 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-01-20 14:34:20 -0300 |
| commit | c1de7f3d84ca324c7cda85c3ce27b11741af2124 (patch) | |
| tree | eaee1e049eeffda4febe0edb1ac2c2acc37380ba /tools/perf/util/synthetic-events.c | |
| parent | 06280e3b15fdaa28f02d995c0a74ec46f75db90a (diff) | |
| download | linux-c1de7f3d84ca324c7cda85c3ce27b11741af2124.tar.bz2 | |
perf record: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
Adds the infrastructure to sample the code address page size.
Introduce a new --code-page-size option for perf record.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Originally-by: Stephane Eranian <eranian@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210105195752.43489-4-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/synthetic-events.c')
| -rw-r--r-- | tools/perf/util/synthetic-events.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 69688f20db11..3a898520f05c 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -1473,6 +1473,9 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, if (type & PERF_SAMPLE_DATA_PAGE_SIZE) result += sizeof(u64); + if (type & PERF_SAMPLE_CODE_PAGE_SIZE) + result += sizeof(u64); + if (type & PERF_SAMPLE_AUX) { result += sizeof(u64); result += sample->aux_sample.size; @@ -1657,6 +1660,11 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_fo array++; } + if (type & PERF_SAMPLE_CODE_PAGE_SIZE) { + *array = sample->code_page_size; + array++; + } + if (type & PERF_SAMPLE_AUX) { sz = sample->aux_sample.size; *array++ = sz; |