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perf tools: Add perf_event__fprintf_event_update function

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To display a 'event update' event for raw dump.

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/1445784728-21732-26-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-10-25 15:51:41 +01:00 committed by Arnaldo Carvalho de Melo
parent 86ebb09f96
commit c853f9394b
2 changed files with 39 additions and 0 deletions
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38
tools/perf/util/header.c
View File

@ -2793,6 +2793,44 @@ perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
return err;
}
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp)
{
struct event_update_event *ev = &event->event_update;
struct event_update_event_scale *ev_scale;
struct event_update_event_cpus *ev_cpus;
struct cpu_map *map;
size_t ret;
ret = fprintf(fp, "\n... id: %" PRIu64 "\n", ev->id);
switch (ev->type) {
case PERF_EVENT_UPDATE__SCALE:
ev_scale = (struct event_update_event_scale *) ev->data;
ret += fprintf(fp, "... scale: %f\n", ev_scale->scale);
break;
case PERF_EVENT_UPDATE__UNIT:
ret += fprintf(fp, "... unit: %s\n", ev->data);
break;
case PERF_EVENT_UPDATE__NAME:
ret += fprintf(fp, "... name: %s\n", ev->data);
break;
case PERF_EVENT_UPDATE__CPUS:
ev_cpus = (struct event_update_event_cpus *) ev->data;
ret += fprintf(fp, "... ");
map = cpu_map__new_data(&ev_cpus->cpus);
if (map)
ret += cpu_map__fprintf(map, fp);
else
ret += fprintf(fp, "failed to get cpus\n");
break;
default:
ret += fprintf(fp, "... unknown type\n");
break;
}
return ret;
}
int perf_event__synthesize_attrs(struct perf_tool *tool,
struct perf_session *session,

1
tools/perf/util/header.h
View File

@ -122,6 +122,7 @@ int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_evlist **pevlist);
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp);
int perf_event__synthesize_tracing_data(struct perf_tool *tool,
int fd, struct perf_evlist *evlist,