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perf stat: Introduce perf_counts function

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Introducing perf_counts function, that returns
'struct perf_counts_values' pointer for given cpu.

Also moving perf_counts* structures into stat.h.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1435310967-14570-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-06-26 11:29:09 +02:00
committed by Arnaldo Carvalho de Melo
parent 134aa44f6b
commit 1ac77e1ce8
6 changed files with 37 additions and 30 deletions
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6
tools/perf/util/evsel.c
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@@ -910,8 +910,8 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
tmp = evsel->prev_raw_counts->aggr;
evsel->prev_raw_counts->aggr = *count;
} else {
tmp = evsel->prev_raw_counts->cpu[cpu];
evsel->prev_raw_counts->cpu[cpu] = *count;
tmp = *perf_counts(evsel->prev_raw_counts, cpu);
*perf_counts(evsel->prev_raw_counts, cpu) = *count;
}
count->val = count->val - tmp.val;
@@ -972,7 +972,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
perf_evsel__compute_deltas(evsel, cpu, &count);
perf_counts_values__scale(&count, scale, NULL);
evsel->counts->cpu[cpu] = count;
*perf_counts(evsel->counts, cpu) = count;
return 0;
}