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| author |   Jiri Olsa <jolsa@kernel.org> | 2015-06-26 11:29:10 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-26 11:19:19 -0300 |
| commit | a8e02324dfe6bcafc15d02b790f33321ec4facb0 (patch) | |
| tree | 74fc921aab20fe15559b3a0bb82095cee80aa9b9 /tools/perf/util/stat.c | |
| parent | perf stat: Introduce perf_counts function (diff) | |
| download | wireguard-linux-a8e02324dfe6bcafc15d02b790f33321ec4facb0.tar.xz wireguard-linux-a8e02324dfe6bcafc15d02b790f33321ec4facb0.zip | |
perf stat: Use xyarray for cpu evsel counts
Switching single dimensional array of 'struct perf_counts_values'
with xyarray object, so we could store thread dimension counts.
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/1435310967-14570-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/stat.c')
| -rw-r--r-- | tools/perf/util/stat.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 4014b709f956..453480aa7650 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -97,26 +97,39 @@ void perf_stat_evsel_id_init(struct perf_evsel *evsel) struct perf_counts *perf_counts__new(int ncpus) { - int size = sizeof(struct perf_counts) + - ncpus * sizeof(struct perf_counts_values); + struct perf_counts *counts = zalloc(sizeof(*counts)); - return zalloc(size); + if (counts) { + struct xyarray *cpu; + + cpu = xyarray__new(ncpus, 1, sizeof(struct perf_counts_values)); + if (!cpu) { + free(counts); + return NULL; + } + + counts->cpu = cpu; + } + + return counts; } void perf_counts__delete(struct perf_counts *counts) { - free(counts); + if (counts) { + xyarray__delete(counts->cpu); + free(counts); + } } -static void perf_counts__reset(struct perf_counts *counts, int ncpus) +static void perf_counts__reset(struct perf_counts *counts) { - memset(counts, 0, (sizeof(*counts) + - (ncpus * sizeof(struct perf_counts_values)))); + xyarray__reset(counts->cpu); } -void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus) +void perf_evsel__reset_counts(struct perf_evsel *evsel) { - perf_counts__reset(evsel->counts, ncpus); + perf_counts__reset(evsel->counts); } int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus) |