diff options
| author |   Jiri Olsa <jolsa@kernel.org> | 2015-10-25 15:51:40 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-12-17 15:13:38 -0300 |
| commit | 86ebb09f96fe6886e1e5d53b648df5537ba859ca (patch) | |
| tree | 2e90a9dec211eceba6ab1de3c99fc64783140a95 /tools/perf/util/header.c | |
| parent | perf tools: Add event_update event name type (diff) | |
| download | linux-dev-86ebb09f96fe6886e1e5d53b648df5537ba859ca.tar.xz linux-dev-86ebb09f96fe6886e1e5d53b648df5537ba859ca.zip | |
perf tools: Add event_update event cpus type
Adding the cpumask 'event update' event, that stores/transfer the
cpumask for a event.
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/1445784728-21732-25-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index cd3d005a34af..79d3eb984db7 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2762,6 +2762,38 @@ perf_event__synthesize_event_update_name(struct perf_tool *tool, return err; } +int +perf_event__synthesize_event_update_cpus(struct perf_tool *tool, + struct perf_evsel *evsel, + perf_event__handler_t process) +{ + size_t size = sizeof(struct event_update_event); + struct event_update_event *ev; + int max, err; + u16 type; + + if (!evsel->own_cpus) + return 0; + + ev = cpu_map_data__alloc(evsel->own_cpus, &size, &type, &max); + if (!ev) + return -ENOMEM; + + ev->header.type = PERF_RECORD_EVENT_UPDATE; + ev->header.size = (u16)size; + ev->type = PERF_EVENT_UPDATE__CPUS; + ev->id = evsel->id[0]; + + cpu_map_data__synthesize((struct cpu_map_data *) ev->data, + evsel->own_cpus, + type, max); + + err = process(tool, (union perf_event*) ev, NULL, NULL); + free(ev); + return err; +} + + int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_session *session, perf_event__handler_t process) @@ -2827,8 +2859,10 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, { struct event_update_event *ev = &event->event_update; struct event_update_event_scale *ev_scale; + struct event_update_event_cpus *ev_cpus; struct perf_evlist *evlist; struct perf_evsel *evsel; + struct cpu_map *map; if (!pevlist || *pevlist == NULL) return -EINVAL; @@ -2849,6 +2883,14 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, case PERF_EVENT_UPDATE__SCALE: ev_scale = (struct event_update_event_scale *) ev->data; evsel->scale = ev_scale->scale; + case PERF_EVENT_UPDATE__CPUS: + ev_cpus = (struct event_update_event_cpus *) ev->data; + + map = cpu_map__new_data(&ev_cpus->cpus); + if (map) + evsel->own_cpus = map; + else + pr_err("failed to get event_update cpus\n"); default: break; } |