From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753937AbZJZAmr (ORCPT ); Sun, 25 Oct 2009 20:42:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751498AbZJZAmq (ORCPT ); Sun, 25 Oct 2009 20:42:46 -0400 Received: from mail-fx0-f218.google.com ([209.85.220.218]:53750 "EHLO mail-fx0-f218.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751487AbZJZAmp convert rfc822-to-8bit (ORCPT ); Sun, 25 Oct 2009 20:42:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=Go6Z2AH26fE+XRbK9QCShYidFdl3crhnKrTRm3QvVCJ47ghqt7qa3z+JAwnbmwASVi 4AbLFxDveNdQ7fTnrRKI/9d4Z9RX5SKVgAOD0KTN7nozuLjAeeMfdV7W6imcD+JLCkDZ 5BrxcNpHo/4i6fp7kALSexkhwjC/eWsWaejRA= MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 26 Oct 2009 01:42:49 +0100 Message-ID: Subject: Re: [PATCH -v5 00/11] ftrace for MIPS From: Frederic Weisbecker To: Wu Zhangjin Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, Thomas Gleixner , Ralf Baechle , Nicholas Mc Guire , Richard Sandiford , David Daney , Adam Nemet , Patrik Kluba Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2009/10/25 Wu Zhangjin : > Under the help of the -mlong-calls option of gcc, This revision comes with the > module tracing support. and there are also lots of cleanups and fixes. > therefore, it is ready to upstream. > > Currently, function graph tracer support have some overhead for searching the > stack address of the return address(ra). we hope the PROFILE_BEFORE_PROLOGUE > macro will be enabled by default in the next version of gcc, and then the > overhead can be removed via hijacking the ra register directly for both > non-leaf and leaf function. > > Thanks very much to the people in the CC list for their feedbacks, all the > lastest changes goes to this git repo: > > git://dev.lemote.com/rt4ls.git  linux-mips/dev/ftrace-upstream > > Welcome to play with it and give more feedbacks. > > Thanks & Regards, >       Wu Zhangjin > > Wu Zhangjin (11): >  tracing: convert trace_clock_local() as weak function >  MIPS: add mips_timecounter_read() to get high precision timestamp >  tracing: add MIPS specific trace_clock_local() >  tracing: add static function tracer support for MIPS >  tracing: enable HAVE_FUNCTION_TRACE_MCOUNT_TEST for MIPS >  tracing: add an endian argument to scripts/recordmcount.pl >  tracing: add dynamic function tracer support for MIPS >  tracing: not trace mips_timecounter_init() in MIPS >  tracing: add IRQENTRY_EXIT for MIPS >  tracing: add function graph tracer support for MIPS I can't find this one in the series. Did you forget it or am I somehow missing it? Thanks.