From 2eea0b56b0d6ace0172550477220a25d633ec5b9 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Sat, 15 Jan 2022 17:15:09 -0300
Subject: [PATCH] perf evlist: No need to do any affinity setup when profiling
 pids

The cpumap is dummy, so no need to go on figuring out affinity.o

This way we reduce the setup time for simple scenarios like:

	$ perf stat sleep 1

Acked-by: Andi Kleen <andi@firstfloor.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/evlist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 11eb95b..6e88d40 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1290,7 +1290,7 @@ void evlist__close(struct evlist *evlist)
 	 * With perf record core.cpus is usually NULL.
 	 * Use the old method to handle this for now.
 	 */
-	if (!evlist->core.cpus) {
+	if (!evlist->core.cpus || cpu_map__is_dummy(evlist->core.cpus)) {
 		evlist__for_each_entry_reverse(evlist, evsel)
 			evsel__close(evsel);
 		return;
-- 
2.7.4