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author | Kan Liang <kan.liang@linux.intel.com> | 2020-11-30 09:27:53 -0800 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-17 14:36:16 -0300 |
commit | 542b88fd12769bf5be307b11ca0f94a6140bba82 (patch) | |
tree | 66e5ae3a916d186f909f3f7f39ddd53bb961f0ce /tools/perf/util/evsel.c | |
parent | 47d982202f8cfaac6f208c9109fa15cb6a0181f7 (diff) | |
download | linux-542b88fd12769bf5be307b11ca0f94a6140bba82.tar.gz |
perf record: Support new sample type for data page size
Support new sample type PERF_SAMPLE_DATA_PAGE_SIZE for page size. Add new option --data-page-size to record sample data page size. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Stephane Eranian <eranian@google.com> Cc: Will Deacon <will@kernel.org> Link: http://lore.kernel.org/lkml/20201130172803.2676-3-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r-- | tools/perf/util/evsel.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 3dd0eae9810d..5e6085c3fc76 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1188,6 +1188,9 @@ void evsel__config(struct evsel *evsel, struct record_opts *opts, evsel__set_sample_bit(evsel, CGROUP); } + if (opts->sample_data_page_size) + evsel__set_sample_bit(evsel, DATA_PAGE_SIZE); + if (opts->record_switch_events) attr->context_switch = track; @@ -2355,6 +2358,12 @@ int evsel__parse_sample(struct evsel *evsel, union perf_event *event, array++; } + data->data_page_size = 0; + if (type & PERF_SAMPLE_DATA_PAGE_SIZE) { + data->data_page_size = *array; + array++; + } + if (type & PERF_SAMPLE_AUX) { OVERFLOW_CHECK_u64(array); sz = *array++; |