Propagate evlist's cpu_map object through all the evsel objects, while keeping already configured evsel->cpus.
It'll be handy to access evsel's cpus directly in following patches. Link: http://lkml.kernel.org/n/tip-myadl53clbkjvzeqolwp9...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/evlist.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index a8d18a3d2164..214affaf1cf6 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1101,6 +1101,29 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, return perf_evlist__mmap_ex(evlist, pages, overwrite, 0, false); } +static int perf_evlist__propagate_maps(struct perf_evlist *evlist, + struct target *target) +{ + struct perf_evsel *evsel; + + evlist__for_each(evlist, evsel) { + /* + * We already have cpus for evsel (via PMU sysfs) so + * keep it, if there's no target cpu list defined. + */ + if (evsel->cpus && target->cpu_list) + cpu_map__put(evsel->cpus); + + if (!evsel->cpus || target->cpu_list) + evsel->cpus = cpu_map__get(evlist->cpus); + + if (!evsel->cpus) + return -ENOMEM; + } + + return 0; +} + int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) { evlist->threads = thread_map__new_str(target->pid, target->tid, @@ -1117,7 +1140,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) if (evlist->cpus == NULL) goto out_delete_threads; - return 0; + return perf_evlist__propagate_maps(evlist, target); out_delete_threads: thread_map__put(evlist->threads); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
