Commit 7320b1b3 authored Dec 03, 2015 by Jiri Olsa Committed by Arnaldo Carvalho de Melo Dec 07, 2015

perf test: Fix cpus and thread maps reference in error path



In error path to try user space event, both cpus and threads map now
owned by evlist and freed by perf_evlist__set_maps call.  Getting
reference to keep them alive.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1449131658-1841-5-git-send-email-jolsa@kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 0fd4008e

tools/perf/tests/code-reading.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -547,6 +547,13 @@ static int do_test_code_reading(bool try_kcore)
		if (ret < 0) {
		if (!excl_kernel) {
		excl_kernel = true;
		/*
		* Both cpus and threads are now owned by evlist
		* and will be freed by following perf_evlist__set_maps
		* call. Getting refference to keep them alive.
		*/
		cpu_map__get(cpus);
		thread_map__get(threads);
		perf_evlist__set_maps(evlist, NULL, NULL);
		perf_evlist__delete(evlist);
		evlist = NULL;