Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758903AbZJMGOa (ORCPT ); Tue, 13 Oct 2009 02:14:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758011AbZJMGO3 (ORCPT ); Tue, 13 Oct 2009 02:14:29 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:53594 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756468AbZJMGO2 (ORCPT ); Tue, 13 Oct 2009 02:14:28 -0400 Date: Tue, 13 Oct 2009 08:13:23 +0200 From: Ingo Molnar To: Frederic Weisbecker Cc: LKML , Masami Hiramatsu , Thomas Gleixner , Arnaldo Carvalho de Melo , Steven Rostedt , Mike Galbraith , Paul Mackerras , Peter Zijlstra , Christoph Hellwig , Ananth N Mavinakayanahalli , Jim Keniston , "Frank Ch . Eigler" , Li Zefan Subject: Re: [GIT PULL] tracing/kprobes: Syntax updates, introduce perf probe Message-ID: <20091013061323.GE3215@elte.hu> References: <1255386309-4992-1-git-send-email-fweisbec@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1255386309-4992-1-git-send-email-fweisbec@gmail.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 Content-Length: 1821 Lines: 44 * Frederic Weisbecker wrote: > Ingo, > > I've tested a little this set and it seems to work well. I can't test > the C expression parser (need some libdwarf cross-version > compatiblity), but I can create kprobes via low-level parameters, then > launch perf record and perf trace successfully. I'll need to update > perf trace to handle variables that start with '$' characters though. > > Anyway, it's still unstable but I guess pulling it would help Masami > to continue without the need to handle the whole batch. > > Please pull the tracing/kprobes branch that can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git > tracing/kprobes Pulled, thanks Frederic. > Documentation/trace/kprobetrace.txt | 27 +- > kernel/trace/trace_kprobe.c | 160 +++++--- > tools/perf/Makefile | 10 + > tools/perf/builtin-probe.c | 386 +++++++++++++++++++ > tools/perf/builtin.h | 1 + > tools/perf/perf.c | 1 + > tools/perf/util/probe-finder.c | 690 +++++++++++++++++++++++++++++++++++ > tools/perf/util/probe-finder.h | 70 ++++ > 8 files changed, 1271 insertions(+), 74 deletions(-) > create mode 100644 tools/perf/builtin-probe.c > create mode 100644 tools/perf/util/probe-finder.c > create mode 100644 tools/perf/util/probe-finder.h Hm, there's no x86 decoder change here - does this lot fixes the instruction decoder bug i reported some time ago? That is which keeps tracing/kprobes out of tip:master. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/