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perf evsel: Introduce perf_evsel__store_ids() 

Add perf_evsel__store_ids() from stat's store_counter_ids() code to the
evsel class, so that it can be used globally.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180830063252.23729-8-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-08-30 08:32:16 +02:00 committed by Arnaldo Carvalho de Melo
parent 318ec1841a
commit 650d622046
3 changed files with 31 additions and 32 deletions
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33
tools/perf/builtin-stat.c
View File

@ -497,37 +497,6 @@ static int perf_stat_synthesize_config(bool is_pipe)
return 0;
}
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
static int __store_counter_ids(struct perf_evsel *counter)
{
int cpu, thread;
for (cpu = 0; cpu < xyarray__max_x(counter->fd); cpu++) {
for (thread = 0; thread < xyarray__max_y(counter->fd);
thread++) {
int fd = FD(counter, cpu, thread);
if (perf_evlist__id_add_fd(evsel_list, counter,
cpu, thread, fd) < 0)
return -1;
}
}
return 0;
}
static int store_counter_ids(struct perf_evsel *counter)
{
struct cpu_map *cpus = counter->cpus;
struct thread_map *threads = counter->threads;
if (perf_evsel__alloc_id(counter, cpus->nr, threads->nr))
return -ENOMEM;
return __store_counter_ids(counter);
}
static bool perf_evsel__should_store_id(struct perf_evsel *counter)
{
return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID;
@ -658,7 +627,7 @@ try_again:
unit_width = l;
if (perf_evsel__should_store_id(counter) &&
store_counter_ids(counter))
perf_evsel__store_ids(counter, evsel_list))
return -1;
}

29
tools/perf/util/evsel.c
View File

@ -2940,3 +2940,32 @@ struct perf_env *perf_evsel__env(struct perf_evsel *evsel)
return evsel->evlist->env;
return NULL;
}
static int store_evsel_ids(struct perf_evsel *evsel, struct perf_evlist *evlist)
{
int cpu, thread;
for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) {
for (thread = 0; thread < xyarray__max_y(evsel->fd);
thread++) {
int fd = FD(evsel, cpu, thread);
if (perf_evlist__id_add_fd(evlist, evsel,
cpu, thread, fd) < 0)
return -1;
}
}
return 0;
}
int perf_evsel__store_ids(struct perf_evsel *evsel, struct perf_evlist *evlist)
{
struct cpu_map *cpus = evsel->cpus;
struct thread_map *threads = evsel->threads;
if (perf_evsel__alloc_id(evsel, cpus->nr, threads->nr))
return -ENOMEM;
return store_evsel_ids(evsel, evlist);
}

1
tools/perf/util/evsel.h
View File

@ -481,4 +481,5 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
struct perf_env *perf_evsel__env(struct perf_evsel *evsel);
int perf_evsel__store_ids(struct perf_evsel *evsel, struct perf_evlist *evlist);
#endif /* __PERF_EVSEL_H */