From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753000AbZHaIh6 (ORCPT ); Mon, 31 Aug 2009 04:37:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752948AbZHaIh5 (ORCPT ); Mon, 31 Aug 2009 04:37:57 -0400 Received: from hera.kernel.org ([140.211.167.34]:57228 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752758AbZHaIh4 (ORCPT ); Mon, 31 Aug 2009 04:37:56 -0400 Date: Mon, 31 Aug 2009 08:37:31 GMT From: tip-bot for Frederic Weisbecker Cc: linux-kernel@vger.kernel.org, acme@redhat.com, hpa@zytor.com, mingo@redhat.com, fweisbec@gmail.com, peterz@infradead.org, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, acme@redhat.com, linux-kernel@vger.kernel.org, fweisbec@gmail.com, peterz@infradead.org, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <1251693921-6579-2-git-send-email-fweisbec@gmail.com> References: <1251693921-6579-2-git-send-email-fweisbec@gmail.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perfcounters/core] perf tools: Resolve idle thread cmdline for perf trace Message-ID: Git-Commit-ID: 3a2684ca58e06941ff00e3f096ca44f898a6d13e X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Mon, 31 Aug 2009 08:37:31 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 3a2684ca58e06941ff00e3f096ca44f898a6d13e Gitweb: http://git.kernel.org/tip/3a2684ca58e06941ff00e3f096ca44f898a6d13e Author: Frederic Weisbecker AuthorDate: Mon, 31 Aug 2009 06:45:19 +0200 Committer: Ingo Molnar CommitDate: Mon, 31 Aug 2009 10:04:48 +0200 perf tools: Resolve idle thread cmdline for perf trace The cmd-trace tool used the cmdline file and resolved the idle thread using a hardcoded check for the 0 task pid. Now we have a centralized way to do that from perf using register_idle_thread() API. Before: :0-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name :0-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name After: [idle]-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name [idle]-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo LKML-Reference: <1251693921-6579-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-trace.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index dd3c2e7..8247fd0 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -164,6 +164,7 @@ static int __cmd_trace(void) char *buf; trace_report(); + register_idle_thread(&threads, &last_match); input = open(input_name, O_RDONLY); if (input < 0) {