From 68ca5d07de207e56f57e887de23b03fbc1ebc2a6 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 5 Dec 2018 17:05:07 +0100 Subject: [PATCH] perf ordered_events: Add ordered_events__flush_time interface MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Cc: Alexander Shishkin Cc: Dmitry Levin Cc: Eugene Syromiatnikov Cc: Frederic Weisbecker Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Steven Rostedt (VMware) Cc: Thomas Gleixner 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 --- 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 c5412db05683b9..46965643020b00 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 0c6e26aec0e35c..f352af20e167b1 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);