From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754630AbZB1J1U (ORCPT ); Sat, 28 Feb 2009 04:27:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750882AbZB1J1H (ORCPT ); Sat, 28 Feb 2009 04:27:07 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:38619 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750767AbZB1J1G (ORCPT ); Sat, 28 Feb 2009 04:27:06 -0500 Date: Sat, 28 Feb 2009 10:26:57 +0100 From: Ingo Molnar To: Tom Zanussi , Steven Rostedt , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , Peter Zijlstra Cc: linux-kernel Subject: Re: [PATCH 2/4] zedtrace generic kernel filtering Message-ID: <20090228092657.GA2869@elte.hu> References: <1235725256.8512.88.camel@charm-linux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1235725256.8512.88.camel@charm-linux> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean 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=3.2.3 -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 * Tom Zanussi wrote: > Add generic kernel filtering. > > Signed-off-by: Tom Zanussi > > --- > kernel/trace/trace_binary/Makefile | 2 +- > kernel/trace/trace_binary/zed.c | 103 +++++++++-- > kernel/trace/trace_binary/zed.h | 15 ++ > kernel/trace/trace_binary/zed_filter.c | 301 ++++++++++++++++++++++++++++++++ > kernel/trace/trace_binary/zed_filter.h | 45 +++++ > kernel/trace/trace_binary/zed_sched.c | 4 + > 6 files changed, 451 insertions(+), 19 deletions(-) > create mode 100644 kernel/trace/trace_binary/zed_filter.c > create mode 100644 kernel/trace/trace_binary/zed_filter.h Nice! This fits really nicely into the ftrace principles and i'd love to see this feature merged into ftrace - would you be interested in working on that? If so then you can find the latest tracing tree at: http://people.redhat.com/mingo/tip.git/README Note that Steve added explicit field enumeration and 'raw' C syntax tracepoints to the event tracer earlier today (partly based on your ideas here), so that would be a good basis to extend/enhance/fix, if you are interested. Thanks, Ingo