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Commit a7d0a102 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 24e34f68

tools/perf/util/stat.c

+14 −6
Original line number Diff line number Diff line
@@ -189,17 +189,25 @@ void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) 
	evsel->prev_raw_counts = NULL;

}



int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)

int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw)

{

	struct perf_evsel *evsel;

	int nthreads = thread_map__nr(evlist->threads);



	evlist__for_each(evlist, evsel) {

	int ncpus = perf_evsel__nr_cpus(evsel);

	int nthreads = thread_map__nr(evsel->threads);



	if (perf_evsel__alloc_stat_priv(evsel) < 0 ||

	    perf_evsel__alloc_counts(evsel, ncpus, nthreads) < 0 ||

	    (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel, ncpus, nthreads) < 0))

		return -ENOMEM;



	return 0;

}



int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)

{

	struct perf_evsel *evsel;



	evlist__for_each(evlist, evsel) {

		if (perf_evsel__alloc_stats(evsel, alloc_raw))

			goto out_free;

	}

tools/perf/util/stat.h

+2 −0
Original line number Diff line number Diff line
@@ -103,6 +103,8 @@ int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel, 
				      int ncpus, int nthreads);

void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel);



int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw);



int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);

void perf_evlist__free_stats(struct perf_evlist *evlist);

void perf_evlist__reset_stats(struct perf_evlist *evlist);