From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756693AbYLaPmB (ORCPT ); Wed, 31 Dec 2008 10:42:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755531AbYLaPlw (ORCPT ); Wed, 31 Dec 2008 10:41:52 -0500 Received: from mail-fx0-f20.google.com ([209.85.220.20]:40579 "EHLO mail-fx0-f20.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755144AbYLaPlw (ORCPT ); Wed, 31 Dec 2008 10:41:52 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mime-version:content-type :content-disposition:user-agent; b=T1TcLJFvxPM63NIxEcKA0QPudC/a44h1z/BCh5LIhut4P6HFB1X29jjXWokz9zXw7m jdl0rw5pJJpXZRNjQc8agvByu+O2VoTz3u321+9k/fXPXtBJwX22ctuT0lFerMjUTxuA 3Xp4BYztqL2bKcX1VQwVx+zZkwSDWDe1bFdUY= Date: Wed, 31 Dec 2008 16:41:48 +0100 From: Frederic Weisbecker To: Ingo Molnar Cc: Linux Kernel Mailing List , Steven Rostedt , Pekka Enberg , Eduard - Gabriel Munteanu , fweisbec@gmail.com Subject: [PATCH 0/2] tracing/stat handling updates Message-ID: <20081231154147.GB5748@nowhere> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After a quick look on the need of stats tracers, it looks like it is often needed to have several stat modes/files for a single tracer. The current tracing stat API doesn't support more than one stat file per tracer. The first patch makes the tracing/stat Api reentrant and let a tracer able implement more than one stat file. The second one adapts this Api to the branch tracer. kernel/trace/trace.h | 35 ++++--- kernel/trace/trace_branch.c | 69 +++++-------- kernel/trace/trace_stat.c | 229 +++++++++++++++++++++++++++++++------------ 3 files changed, 216 insertions(+), 117 deletions(-)