[PATCH] perf test: Skip sched stats test for !root

[Namhyung Kim]

Running perf sched stats requires root and it fails to open the
schedstat file for regular users.  Let's skip the test.

  $ perf sched stats true
  Failed to open /proc/sys/kernel/sched_schedstats

Cc: Swapnil Sapkal <swapnil.sapkal@xxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/tests/shell/perf_sched_stats.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/tests/shell/perf_sched_stats.sh b/tools/perf/tests/shell/perf_sched_stats.sh
index 2b1410b050d04737..41ee41fbf0253d55 100755
--- a/tools/perf/tests/shell/perf_sched_stats.sh
+++ b/tools/perf/tests/shell/perf_sched_stats.sh
@@ -4,6 +4,11 @@
 
 set -e
 
+if [ "$(id -u)" != 0 ]; then
+  echo "[Skip] No root permission"
+  exit 2
+fi
+
 err=0
 test_perf_sched_stats_record() {
   echo "Basic perf sched stats record test"
-- 
2.53.0