From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752689AbcDTTe6 (ORCPT ); Wed, 20 Apr 2016 15:34:58 -0400 Received: from mail.kernel.org ([198.145.29.136]:34272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752033AbcDTTaj (ORCPT ); Wed, 20 Apr 2016 15:30:39 -0400 Message-Id: <20160420193031.195091162@goodmis.org> User-Agent: quilt/0.61-1 Date: Wed, 20 Apr 2016 15:30:07 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Masami Hiramatsu , Ingo Molnar , Shuah Khan , Namhyung Kim , Tom Zanussi Subject: [for-next][PATCH 29/30] kselftests/ftrace: Add a test for log2 modifier of hist trigger References: <20160420192938.515326341@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0029-kselftests-ftrace-Add-a-test-for-log2-modifier-of-hi.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Masami Hiramatsu Add a test for log2 modifier of hist trigger in hist_mod.tc. Here is the test result. ---- # ./ftracetest test.d/trigger/trigger-hist-mod.tc === Ftrace unit tests === [1] event trigger - test histogram modifiers [PASS] # of passed: 1 # of failed: 0 # of unresolved: 0 # of untested: 0 # of unsupported: 0 # of xfailed: 0 # of undefined(test bug): 0 ---- Link: http://lkml.kernel.org/r/3f1ab735c06a50b1b40d3e96b8b6a3e5ea62fd86.1457029949.git.tom.zanussi@linux.intel.com Signed-off-by: Masami Hiramatsu Cc: Ingo Molnar Cc: Shuah Khan Cc: Namhyung Kim Cc: Tom Zanussi Tested-by: Tom Zanussi Signed-off-by: Steven Rostedt --- .../selftests/ftrace/test.d/trigger/trigger-hist-mod.tc | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc index 57e350a0bcca..c2b61c4fda11 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc @@ -60,6 +60,16 @@ for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done grep "id: sys_" events/raw_syscalls/sys_exit/hist > /dev/null || \ fail "syscall modifier on raw_syscalls/sys_exit did not work" + +reset_trigger + +echo "Test histgram with log2 modifier" + +echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \ + fail "log2 modifier on kmem/kmalloc did not work" + do_reset exit 0 -- 2.8.0.rc3