evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

perf ordered_events: Adopt queue() method

Browse source 
From perf_session, will be used in 'trace'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-mfihndzaumx44h6y37ng2irb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-03-03 13:02:24 -03:00
parent 01fbc1fee9
commit 4a6b362f36
3 changed files with 35 additions and 31 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
tools/perf/util/ordered-events.c
View file

@ -131,8 +131,8 @@ static struct ordered_event *alloc_event(struct ordered_events *oe,
return new; return new;
} }
struct ordered_event * static struct ordered_event *
ordered_events__new(struct ordered_events *oe, u64 timestamp, ordered_events__new_event(struct ordered_events *oe, u64 timestamp,
union perf_event *event) union perf_event *event)
{ {
struct ordered_event *new; struct ordered_event *new;
@ -153,6 +153,36 @@ void ordered_events__delete(struct ordered_events *oe, struct ordered_event *eve
free_dup_event(oe, event->event); free_dup_event(oe, event->event);
} }
int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
struct perf_sample *sample, u64 file_offset)
{
u64 timestamp = sample->time;
struct ordered_event *oevent;
if (!timestamp || timestamp == ~0ULL)
return -ETIME;
if (timestamp < oe->last_flush) {
pr_oe_time(timestamp, "out of order event\n");
pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
oe->last_flush_type);
oe->evlist->stats.nr_unordered_events++;
}
oevent = ordered_events__new_event(oe, timestamp, event);
if (!oevent) {
ordered_events__flush(oe, OE_FLUSH__HALF);
oevent = ordered_events__new_event(oe, timestamp, event);
}
if (!oevent)
return -ENOMEM;
oevent->file_offset = file_offset;
return 0;
}
static int __ordered_events__flush(struct ordered_events *oe) static int __ordered_events__flush(struct ordered_events *oe)
{ {
struct list_head *head = &oe->events; struct list_head *head = &oe->events;

4
tools/perf/util/ordered-events.h
View file

@ -49,8 +49,8 @@ struct ordered_events {
bool copy_on_queue; bool copy_on_queue;
}; };
struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp, int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
union perf_event *event); struct perf_sample *sample, u64 file_offset);
void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event); 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(struct ordered_events *oe, enum oe_flush how);
void ordered_events__init(struct ordered_events *oe, struct machines *machines, void ordered_events__init(struct ordered_events *oe, struct machines *machines,

28
tools/perf/util/session.c
View file

@ -541,33 +541,7 @@ static int process_finished_round(struct perf_tool *tool __maybe_unused,
int perf_session__queue_event(struct perf_session *s, union perf_event *event, int perf_session__queue_event(struct perf_session *s, union perf_event *event,
struct perf_sample *sample, u64 file_offset) struct perf_sample *sample, u64 file_offset)
{ {
struct ordered_events *oe = &s->ordered_events; return ordered_events__queue(&s->ordered_events, event, sample, file_offset);
u64 timestamp = sample->time;
struct ordered_event *new;
if (!timestamp || timestamp == ~0ULL)
return -ETIME;
if (timestamp < oe->last_flush) {
pr_oe_time(timestamp, "out of order event\n");
pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
oe->last_flush_type);
s->evlist->stats.nr_unordered_events++;
}
new = ordered_events__new(oe, timestamp, event);
if (!new) {
ordered_events__flush(oe, OE_FLUSH__HALF);
new = ordered_events__new(oe, timestamp, event);
}
if (!new)
return -ENOMEM;
new->file_offset = file_offset;
return 0;
} }
static void callchain__lbr_callstack_printf(struct perf_sample *sample) static void callchain__lbr_callstack_printf(struct perf_sample *sample)