diff options
| -rw-r--r-- | tools/perf/util/evlist.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/sideband_evlist.c | 23 |
2 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index a9d01a11570a..93de63e2a247 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -111,6 +111,7 @@ int perf_evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr, perf_evsel__sb_cb_t cb, void *data); +void evlist__set_cb(struct evlist *evlist, perf_evsel__sb_cb_t cb, void *data); int perf_evlist__start_sb_thread(struct evlist *evlist, struct target *target); void perf_evlist__stop_sb_thread(struct evlist *evlist); diff --git a/tools/perf/util/sideband_evlist.c b/tools/perf/util/sideband_evlist.c index 073d201bb6ea..1d6f470d64c4 100644 --- a/tools/perf/util/sideband_evlist.c +++ b/tools/perf/util/sideband_evlist.c @@ -4,6 +4,7 @@ #include "util/evlist.h" #include "util/evsel.h" #include "util/mmap.h" +#include "util/perf_api_probe.h" #include <perf/mmap.h> #include <linux/perf_event.h> #include <limits.h> @@ -80,6 +81,19 @@ static void *perf_evlist__poll_thread(void *arg) return NULL; } +void evlist__set_cb(struct evlist *evlist, perf_evsel__sb_cb_t cb, void *data) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + evsel->core.attr.sample_id_all = 1; + evsel->core.attr.watermark = 1; + evsel->core.attr.wakeup_watermark = 1; + evsel->side_band.cb = cb; + evsel->side_band.data = data; + } +} + int perf_evlist__start_sb_thread(struct evlist *evlist, struct target *target) { struct evsel *counter; @@ -90,6 +104,15 @@ int perf_evlist__start_sb_thread(struct evlist *evlist, struct target *target) if (perf_evlist__create_maps(evlist, target)) goto out_delete_evlist; + if (evlist->core.nr_entries > 1) { + bool can_sample_identifier = perf_can_sample_identifier(); + + evlist__for_each_entry(evlist, counter) + perf_evsel__set_sample_id(counter, can_sample_identifier); + + perf_evlist__set_id_pos(evlist); + } + evlist__for_each_entry(evlist, counter) { if (evsel__open(counter, evlist->core.cpus, evlist->core.threads) < 0) goto out_delete_evlist; |