linux-kernel - [PATCH AUTOSEL 4.19 5/7] selftests/ftrace: Correctly enable event in instance-event.tc

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Message-Id: <20230924132033.1276920-5-sashal@kernel.org>
Date:   Sun, 24 Sep 2023 09:20:29 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Zheng Yejian <zhengyejian1@...wei.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, shuah@...nel.org,
        linux-trace-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 5/7] selftests/ftrace: Correctly enable event in instance-event.tc

From: Zheng Yejian <zhengyejian1@...wei.com>

[ Upstream commit f4e4ada586995b17f828c6d147d1800eb1471450 ]

Function instance_set() expects to enable event 'sched_switch', so we
should set 1 to its 'enable' file.

Testcase passed after this patch:
  # ./ftracetest test.d/instances/instance-event.tc
  === Ftrace unit tests ===
  [1] Test creation and deletion of trace instances while setting an event
  [PASS]

  # of passed:  1
  # of failed:  0
  # of unresolved:  0
  # of untested:  0
  # of unsupported:  0
  # of xfailed:  0
  # of undefined(test bug):  0

Signed-off-by: Zheng Yejian <zhengyejian1@...wei.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../testing/selftests/ftrace/test.d/instances/instance-event.tc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
index 4fa0f79144f4a..9473934a573a1 100644
--- a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
+++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
@@ -43,7 +43,7 @@ instance_read() {
 
 instance_set() {
         while :; do
-                echo 1 > foo/events/sched/sched_switch
+                echo 1 > foo/events/sched/sched_switch/enable
         done 2> /dev/null
 }
 
-- 
2.40.1