Messages in this thread Patch in this message | | | Date | Fri, 18 Dec 2015 01:09:52 -0800 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf stat record: Store events IDs in perf data file |
| |
Commit-ID: 2af4646d1041ee590b0032d2b0103fa81aa43174 Gitweb: http://git.kernel.org/tip/2af4646d1041ee590b0032d2b0103fa81aa43174 Author: Jiri Olsa <jolsa@kernel.org> AuthorDate: Thu, 5 Nov 2015 15:40:49 +0100 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Thu, 17 Dec 2015 15:15:21 -0300
perf stat record: Store events IDs in perf data file
Store event IDs in evlist object so it get stored into perf.data file.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Kan Liang <kan.liang@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1446734469-11352-6-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/builtin-stat.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 45bf4d2..39d0c30f 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -346,6 +346,38 @@ static int perf_stat_synthesize_config(void) return 0; } +#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) + +static int __store_counter_ids(struct perf_evsel *counter, + struct cpu_map *cpus, + struct thread_map *threads) +{ + int cpu, thread; + + for (cpu = 0; cpu < cpus->nr; cpu++) { + for (thread = 0; thread < threads->nr; thread++) { + int fd = FD(counter, cpu, thread); + + if (perf_evlist__id_add_fd(evsel_list, counter, + cpu, thread, fd) < 0) + return -1; + } + } + + return 0; +} + +static int store_counter_ids(struct perf_evsel *counter) +{ + struct cpu_map *cpus = counter->cpus; + struct thread_map *threads = counter->threads; + + if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr)) + return -ENOMEM; + + return __store_counter_ids(counter, cpus, threads); +} + static int __run_perf_stat(int argc, const char **argv) { int interval = stat_config.interval; @@ -410,6 +442,9 @@ static int __run_perf_stat(int argc, const char **argv) l = strlen(counter->unit); if (l > unit_width) unit_width = l; + + if (STAT_RECORD && store_counter_ids(counter)) + return -1; } if (perf_evlist__apply_filters(evsel_list, &counter)) {
| |