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| author |   Jiri Olsa <jolsa@kernel.org> | 2018-12-05 17:05:07 +0100 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-12-17 15:02:12 -0300 |
| commit | 68ca5d07de207e56f57e887de23b03fbc1ebc2a6 (patch) | |
| tree | 5bf6181a2d4f15fb81c615ea29d0ab72e73737e8 /tools/perf/util | |
| parent | perf annotate: Introduce basic support for ARC (diff) | |
| download | linux-dev-68ca5d07de207e56f57e887de23b03fbc1ebc2a6.tar.xz linux-dev-68ca5d07de207e56f57e887de23b03fbc1ebc2a6.zip | |
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.
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>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/ordered-events.c | 23 | ||||
| -rw-r--r-- | 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); |