From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752718AbZHaEp0 (ORCPT ); Mon, 31 Aug 2009 00:45:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751944AbZHaEpY (ORCPT ); Mon, 31 Aug 2009 00:45:24 -0400 Received: from mail-ew0-f228.google.com ([209.85.219.228]:48405 "EHLO mail-ew0-f228.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751918AbZHaEpX (ORCPT ); Mon, 31 Aug 2009 00:45:23 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=jM7frZ6RNnHLhzeQwdtNNIASzX2Qn4hb/E+UMZPG3zhZfnJKTeQ/DhlWyuj9wFNLo2 NatPpY5xvFgmTrnb2uwpB6SAps8C2hwApVyGKxSmih3csmnh7pd+ChoQM7abLTPWwfsi gMHIo1D3/5cGgRwSc8e80IoaGsTn46oDXZs2o= From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Frederic Weisbecker , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 2/4] perf tools: Resolve idle thread cmdline for perf trace Date: Mon, 31 Aug 2009 06:45:19 +0200 Message-Id: <1251693921-6579-2-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.6.2.3 In-Reply-To: <1251682323-10395-1-git-send-email-fweisbec@gmail.com> References: <1251682323-10395-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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) { -- 1.6.2.3