From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756186AbZFXJEQ (ORCPT ); Wed, 24 Jun 2009 05:04:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752320AbZFXJEE (ORCPT ); Wed, 24 Jun 2009 05:04:04 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:40521 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751853AbZFXJED (ORCPT ); Wed, 24 Jun 2009 05:04:03 -0400 Date: Wed, 24 Jun 2009 11:03:58 +0200 From: Ingo Molnar To: Li Zefan Cc: Steven Rostedt , Frederic Weisbecker , Liming Wang , LKML Subject: Re: [PATCH 0/7] tracing: seqfile fixes, take 2 Message-ID: <20090624090358.GA25212@elte.hu> References: <4A4186C6.9090706@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A4186C6.9090706@cn.fujitsu.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Li Zefan wrote: > While testing syscall tracepoints proposed by Jason, I found some > entries were missing when reading available_events. > > It turned out there's bug in seqfile handling. The bug is, it's > wrong to increment @pos in seq start(). > > The bug exists in some other places. I also fixed some other different > bugs. > > All the patches have been reviewed and tested. > > Thanks Liming Wang for the review. > > [PATCH 1/7] tracing/events: don't increment @pos in s_start() > [PATCH 2/7] tracing_bprintk: don't increment @pos in t_start() > [PATCH 3/7] trace_stat: don't increment @pos in seq start() > [PATCH 4/7] tracing: reset iterator in t_start() > [PATCH 5/7] ftrace: don't increment @pos in g_start() > [PATCH 6/7] ftrace: don't manipulate @pos in t_start() > [PATCH 7/7] ftrace: fix t_hash_start() > --- > kernel/trace/ftrace.c | 52 ++++++++++++++++++++++++------------------- > kernel/trace/trace.c | 18 +++----------- > kernel/trace/trace_events.c | 28 ++++++++++++++++++----- > kernel/trace/trace_printk.c | 26 +++++---------------- > kernel/trace/trace_stat.c | 6 +---- > 5 files changed, 62 insertions(+), 68 deletions(-) Applied to tip:tracing/urgent, thanks a lot! Ingo