From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965047AbcKPINt (ORCPT ); Wed, 16 Nov 2016 03:13:49 -0500 Received: from mail.kernel.org ([198.145.29.136]:41874 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964946AbcKPINs (ORCPT ); Wed, 16 Nov 2016 03:13:48 -0500 From: Masami Hiramatsu To: Steven Rostedt , Shuah Khan Cc: Masami Hiramatsu , Shuah Khan , linux-kernel@vger.kernel.org, Ingo Molnar , Namhyung Kim , Tom Zanussi , linux-kselftest@vger.kernel.org Subject: [PATCH -tip v3 4/9] selftests: ftrace: Check whether snapshot trigger is supported correctly Date: Wed, 16 Nov 2016 17:13:32 +0900 Message-Id: <147928401215.22982.10411665829041109794.stgit@devbox> X-Mailer: git-send-email 2.7.4 In-Reply-To: <147928393441.22982.15432364313721641355.stgit@devbox> References: <147928393441.22982.15432364313721641355.stgit@devbox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If "snapshot" special file doesn't exist, that kernel does not support snapshot and snapshot trigger too. In that case snapshot trigger test results to unsupported instead of fail. Signed-off-by: Masami Hiramatsu --- .../ftrace/test.d/trigger/trigger-snapshot.tc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc index f84b80d..ed94f0c 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -23,6 +23,11 @@ if [ ! -f events/sched/sched_process_fork/trigger ]; then exit_unsupported fi +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + reset_tracer do_reset