Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758377AbcCCS4K (ORCPT ); Thu, 3 Mar 2016 13:56:10 -0500 Received: from mga02.intel.com ([134.134.136.20]:44405 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758268AbcCCS4F (ORCPT ); Thu, 3 Mar 2016 13:56:05 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,532,1449561600"; d="scan'208";a="929021230" From: Tom Zanussi To: rostedt@goodmis.org Cc: masami.hiramatsu.pt@hitachi.com, namhyung@kernel.org, josh@joshtriplett.org, andi@firstfloor.org, mathieu.desnoyers@efficios.com, peterz@infradead.org, linux-kernel@vger.kernel.org, Ingo Molnar , Shuah Khan , Tom Zanussi Subject: [PATCH v16 23/23] kselftests/ftrace: Add a test for log2 modifier of hist trigger Date: Thu, 3 Mar 2016 12:55:03 -0600 Message-Id: <3f1ab735c06a50b1b40d3e96b8b6a3e5ea62fd86.1457029949.git.tom.zanussi@linux.intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1768 Lines: 53 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 ---- Signed-off-by: Masami Hiramatsu Cc: Steven Rostedt Cc: Ingo Molnar Cc: Shuah Khan Cc: Namhyung Kim Cc: Tom Zanussi Tested-by: Tom Zanussi --- .../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 57e350a..c2b61c4 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 -- 1.9.3