perf stat: Introduce perf_evsel__alloc_stats function
Move all stat allocation logic related to stat object under single function. This way we can use it separately for stat object out of evlist object. 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/1435310967-14570-13-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -189,17 +189,25 @@ void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
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evsel->prev_raw_counts = NULL;
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}
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int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
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int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw)
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{
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struct perf_evsel *evsel;
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int nthreads = thread_map__nr(evlist->threads);
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evlist__for_each(evlist, evsel) {
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int ncpus = perf_evsel__nr_cpus(evsel);
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int nthreads = thread_map__nr(evsel->threads);
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if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
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perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||
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(alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))
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return -ENOMEM;
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return 0;
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}
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int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
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{
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struct perf_evsel *evsel;
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evlist__for_each(evlist, evsel) {
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if (perf_evsel__alloc_stats(evsel, alloc_raw))
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goto out_free;
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}
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@ -103,6 +103,8 @@ int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
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int ncpus, int nthreads);
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void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel);
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int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw);
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int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
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void perf_evlist__free_stats(struct perf_evlist *evlist);
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void perf_evlist__reset_stats(struct perf_evlist *evlist);
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