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perf evsel: Precalculate the sample size

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So that we don't have to store it in the perf_session instance, because
in the future perf_session instances may have multiple evlists, each
with different sample_type/sizes.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-ptod86fxkpgq3h62m9refkv4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-08-01 18:53:11 -03:00
parent 0ecf4f0c02
commit bde09467b5
6 changed files with 24 additions and 25 deletions
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8
tools/perf/util/evsel.h
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@@ -65,6 +65,7 @@ struct perf_evsel {
void *func;
void *data;
} handler;
unsigned int sample_size;
bool supported;
};
@@ -177,13 +178,6 @@ static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
return __perf_evsel__read(evsel, ncpus, nthreads, true);
}
int __perf_evsel__sample_size(u64 sample_type);
static inline int perf_evsel__sample_size(struct perf_evsel *evsel)
{
return __perf_evsel__sample_size(evsel->attr.sample_type);
}
void hists__init(struct hists *hists);
#endif /* __PERF_EVSEL_H */