Adding processing of cpu/threads maps. Configuring session's evlist with these maps.
Link: http://lkml.kernel.org/n/tip-f2bo5wm0cw76zc5qsjm4p...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-stat.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 4861fd639b7e..4ee00803bc96 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -132,6 +132,9 @@ struct perf_stat { struct perf_session *session; u64 bytes_written; struct perf_tool tool; + bool maps_allocated; + struct cpu_map *cpus; + struct thread_map *threads; }; static struct perf_stat perf_stat; @@ -1399,6 +1402,63 @@ static int __cmd_record(int argc, const char **argv) return argc; } +static int set_maps(struct perf_stat *stat) +{ + if (!stat->cpus || !stat->threads) + return 0; + + if (WARN_ONCE(stat->maps_allocated, "stats double allocation\n")) + return -EINVAL; + + perf_evlist__set_maps(evsel_list, stat->cpus, stat->threads); + + if (perf_evlist__alloc_stats(evsel_list, true)) + return -ENOMEM; + + stat->maps_allocated = true; + return 0; +} + +static +int process_thread_map_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_session *session __maybe_unused) +{ + struct perf_stat *stat = container_of(tool, struct perf_stat, tool); + + if (stat->threads) { + pr_warning("Extra thread map event, ignoring.\n"); + return 0; + } + + stat->threads = thread_map__new_event(&event->thread_map); + if (!stat->threads) + return -ENOMEM; + + return set_maps(stat); +} + +static +int process_cpu_map_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_session *session __maybe_unused) +{ + struct perf_stat *stat = container_of(tool, struct perf_stat, tool); + struct cpu_map *cpus; + + if (stat->cpus) { + pr_warning("Extra cpu map event, ignoring.\n"); + return 0; + } + + cpus = cpu_map__new_event(&event->cpu_map); + if (!cpus) + return -ENOMEM; + + stat->cpus = cpus; + return set_maps(stat); +} + static const char * const report_usage[] = { "perf stat report [<options>]", NULL, @@ -1407,6 +1467,8 @@ static const char * const report_usage[] = { static struct perf_stat perf_stat = { .tool = { .attr = perf_event__process_attr, + .thread_map = process_thread_map_event, + .cpu_map = process_cpu_map_event, }, }; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
