summaryrefslogtreecommitdiff
path: root/tools/perf/util/ordered-events.c
diff options
context:
space:
mode:
authorJiri Olsa <jolsa@kernel.org>2018-12-06 14:38:52 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-12-17 15:02:17 -0300
commit83356b3d124af5ae472ce1358222f6b7749d2322 (patch)
tree6e01096df1dd928e0fd26f8e65136b770800de71 /tools/perf/util/ordered-events.c
parent1f44b3e2fc5d7a2c5f6d1e67c80ebc226d6bd25f (diff)
perf ordered_events: Add first_time() method
To get the timestamp in the first event in the queue. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Dmitry Levin <ldv@altlinux.org> Cc: Eugene Syromiatnikov <esyr@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Luis Cláudio Gonçalves <lclaudio@uudg.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/n/tip-appp27jw1ul8kgg872j43r5o@git.kernel.org [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/ordered-events.c')
-rw-r--r--tools/perf/util/ordered-events.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index 46965643020b..897589507d97 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -343,6 +343,17 @@ int ordered_events__flush_time(struct ordered_events *oe, u64 timestamp)
return __ordered_events__flush(oe, OE_FLUSH__TIME, timestamp);
}
+u64 ordered_events__first_time(struct ordered_events *oe)
+{
+ struct ordered_event *event;
+
+ if (list_empty(&oe->events))
+ return 0;
+
+ event = list_first_entry(&oe->events, struct ordered_event, list);
+ return event->timestamp;
+}
+
void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver,
void *data)
{