From c853f9394b7bc189632673cac802bdbf6537463b Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 25 Oct 2015 15:51:41 +0100 Subject: [PATCH] perf tools: Add perf_event__fprintf_event_update function To display a 'event update' event for raw dump. Signed-off-by: Jiri Olsa Tested-by: Kan Liang Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1445784728-21732-26-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 38 ++++++++++++++++++++++++++++++++++++++ tools/perf/util/header.h | 1 + 2 files changed, 39 insertions(+) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 79d3eb984db7..49676c14c8ae 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -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, diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index a1bc0c5706a3..710deecf8f80 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -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, -- 2.45.2