Commit-ID: 83356b3d124af5ae472ce1358222f6b7749d2322 Gitweb: https://git.kernel.org/tip/83356b3d124af5ae472ce1358222f6b7749d2322 Author: Jiri Olsa <[email protected]> AuthorDate: Thu, 6 Dec 2018 14:38:52 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Mon, 17 Dec 2018 15:02:17 -0300
perf ordered_events: Add first_time() method To get the timestamp in the first event in the queue. Signed-off-by: Jiri Olsa <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Dmitry Levin <[email protected]> Cc: Eugene Syromiatnikov <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Luis Cláudio Gonçalves <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Steven Rostedt (VMware) <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: https://lkml.kernel.org/n/[email protected] [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/ordered-events.c | 11 +++++++++++ tools/perf/util/ordered-events.h | 1 + 2 files changed, 12 insertions(+) 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) { diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h index f352af20e167..0920fb0ec6cc 100644 --- a/tools/perf/util/ordered-events.h +++ b/tools/perf/util/ordered-events.h @@ -61,6 +61,7 @@ void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t d void *data); void ordered_events__free(struct ordered_events *oe); void ordered_events__reinit(struct ordered_events *oe); +u64 ordered_events__first_time(struct ordered_events *oe); static inline void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
