Messages in this thread Patch in this message | | | Date | Fri, 14 Dec 2018 13:00:33 -0800 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf ordered_events: Add ordered_events__flush_time interface |
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Commit-ID: a4a77b93ae0bfd752caad14a34fa9465ea6d30a9 Gitweb: https://git.kernel.org/tip/a4a77b93ae0bfd752caad14a34fa9465ea6d30a9 Author: Jiri Olsa <jolsa@kernel.org> AuthorDate: Wed, 5 Dec 2018 17:05:07 +0100 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Thu, 6 Dec 2018 16:43:28 -0300
perf ordered_events: Add ordered_events__flush_time interface
Add OE_FLUSH__TIME flush type, to be able to flush only certain amount of the queue based on the provided timestamp. It will be used in the following patches.
Link: http://lkml.kernel.org/n/tip-a3na77vemwr1g92lfhlrztg5@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> 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: http://lkml.kernel.org/r/20181205160509.1168-7-jolsa@kernel.org [ Fix the build on older systems such as centos 5 and 6 where 'time' shadows a global declaration ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/util/ordered-events.c | 23 +++++++++++++++++++---- tools/perf/util/ordered-events.h | 2 ++ 2 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c index c5412db05683..46965643020b 100644 --- a/tools/perf/util/ordered-events.c +++ b/tools/perf/util/ordered-events.c @@ -219,8 +219,7 @@ int ordered_events__queue(struct ordered_events *oe, union perf_event *event, return 0; } -static int __ordered_events__flush(struct ordered_events *oe, - bool show_progress) +static int do_flush(struct ordered_events *oe, bool show_progress) { struct list_head *head = &oe->events; struct ordered_event *tmp, *iter; @@ -263,7 +262,8 @@ static int __ordered_events__flush(struct ordered_events *oe, return 0; } -int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) +static int __ordered_events__flush(struct ordered_events *oe, enum oe_flush how, + u64 timestamp) { static const char * const str[] = { "NONE", @@ -302,6 +302,11 @@ int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) break; } + case OE_FLUSH__TIME: + oe->next_flush = timestamp; + show_progress = false; + break; + case OE_FLUSH__ROUND: case OE_FLUSH__NONE: default: @@ -312,7 +317,7 @@ int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) str[how], oe->nr_events); pr_oe_time(oe->max_timestamp, "max_timestamp\n"); - err = __ordered_events__flush(oe, show_progress); + err = do_flush(oe, show_progress); if (!err) { if (how == OE_FLUSH__ROUND) @@ -328,6 +333,16 @@ int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) return err; } +int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) +{ + return __ordered_events__flush(oe, how, 0); +} + +int ordered_events__flush_time(struct ordered_events *oe, u64 timestamp) +{ + return __ordered_events__flush(oe, OE_FLUSH__TIME, 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 0c6e26aec0e3..f352af20e167 100644 --- a/tools/perf/util/ordered-events.h +++ b/tools/perf/util/ordered-events.h @@ -19,6 +19,7 @@ enum oe_flush { OE_FLUSH__ROUND, OE_FLUSH__HALF, OE_FLUSH__TOP, + OE_FLUSH__TIME, }; struct ordered_events; @@ -55,6 +56,7 @@ int ordered_events__queue(struct ordered_events *oe, union perf_event *event, u64 timestamp, u64 file_offset); void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event); int ordered_events__flush(struct ordered_events *oe, enum oe_flush how); +int ordered_events__flush_time(struct ordered_events *oe, u64 timestamp); void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver, void *data); void ordered_events__free(struct ordered_events *oe);
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