From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFA2CC67838 for ; Thu, 11 Oct 2018 21:02:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 94C4221477 for ; Thu, 11 Oct 2018 21:02:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="F8Pr7hFy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94C4221477 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727291AbeJLEbi (ORCPT ); Fri, 12 Oct 2018 00:31:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:40240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727227AbeJLEbh (ORCPT ); Fri, 12 Oct 2018 00:31:37 -0400 Received: from localhost.localdomain (c-98-220-238-81.hsd1.il.comcast.net [98.220.238.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C2CCB2147C; Thu, 11 Oct 2018 21:02:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539291756; bh=Kzl5SGHoVAY0IwIBqnvnSyLW0F0XJm7jowCI36olhpE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=F8Pr7hFyOZUjQmru2rW74xbb8Acj439NKrVCrXaOobPNBRV9TGiDXaXuwWp//EERm S84bj+QReSM++V6xzsbPnWxjPkcN6I8BQs5cvFAma3T2A5F2d5HyDJEUT8kubIIeid 7MW1JRXeAIkuVDxfGfHsM7qON0hoRN879muXF918= From: Tom Zanussi To: rostedt@goodmis.org Cc: tglx@linutronix.de, mhiramat@kernel.org, namhyung@kernel.org, vedang.patel@intel.com, bigeasy@linutronix.de, joel@joelfernandes.org, mathieu.desnoyers@efficios.com, julia@ni.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: [PATCH v6 10/15] tracing: Add hist trigger snapshot() action test case Date: Thu, 11 Oct 2018 16:02:07 -0500 Message-Id: <75db4ded21471580e5ad8d57c74fd9c8923cd90a.1539288364.git.tom.zanussi@linux.intel.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Zanussi Add a test case verifying the basic functionality of the hist:snapshot() action. Signed-off-by: Tom Zanussi --- .../inter-event/trigger-snapshot-action-hist.tc | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc new file mode 100644 index 000000000000..f427be989296 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc @@ -0,0 +1,55 @@ +#!/bin/sh +# description: event trigger - test inter-event histogram trigger snapshot action + +do_reset() { + reset_trigger + echo > set_event + echo 0 > snapshot + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + +grep "onchange(var)" README > /dev/null || exit_unsupported # version issue + +grep "snapshot()" README > /dev/null || exit_unsupported # version issue + +reset_tracer +do_reset + +echo "Test snapshot action" + +echo 1 > /sys/kernel/debug/tracing/events/sched/enable + +echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> /sys/kernel/debug/tracing/events/sched/sched_waking/trigger + +ping localhost -c 3 +nice -n 1 ping localhost -c 3 + +echo 0 > /sys/kernel/debug/tracing/events/sched/enable + +if ! grep -q "changed:" events/sched/sched_waking/hist; then + fail "Failed to create onchange action inter-event histogram" +fi + +if ! grep -q "comm=ping" snapshot; then + fail "Failed to create snapshot action inter-event histogram" +fi + +do_reset + +exit 0 -- 2.14.1