perf evlist: Add perf_evlist__parse_sample_timestamp function

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Add perf_evlist__parse_sample_timestamp to retrieve the timestamp of the
sample.

The idea is to use this function instead of the full sample parsing
before we queue the sample. At that time only the timestamp is needed
and we parse the sample once again later on delivery.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-o7syqo8lipj4or7renpu8e8y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

...

This commit is contained in:

Jiri Olsa 2017-08-03 13:10:28 +02:00 • committed by Arnaldo Carvalho de Melo

parent 3ad31d8a0d

commit 014681208e

4 changed files with 78 additions and 6 deletions

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11

tools/perf/util/evlist.c

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4

tools/perf/util/evlist.h

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65

tools/perf/util/evsel.c

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4

tools/perf/util/evsel.h

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