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perf evsel: Introduce perf_evsel__store_ids()

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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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29
tools/perf/util/evsel.c
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@@ -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);
}