Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function T

To:	Wu Zhangjin <wuzhangjin@gmail.com>
Subject:	Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer
From:	David Daney <david.s.daney@gmail.com>
Date:	Fri, 14 May 2010 10:15:16 -0700
Cc:	Ralf Baechle <ralf@linux-mips.org>, linux-mips <linux-mips@linux-mips.org>
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=Dyugft45e4/CbvXthVjyYNB+hjH3zPcDWQ3JG1uTvI0=; b=nQSbykjAEiSnIoLxksZMCbDwWD8Tu+uYBo2i/iECnuzSZYAVshO9Hz+RDJXePMz0nL EnvathN6ESGIiaiE6ulTZla+pIEcTvC5rDxIjmNYLQUFDcz5lpuhB5Jlkvbx46hDfbru ENMWFAqh6GxoNaXFrtxDkp73nv5E2nXvOnf0M=
Domainkey-signature:	a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=JiJP1fuNUiU2BstrI9B7ljniqea2o4z9guVGoIz6gCYv57nYwaxdMqYjoHO184auce IFL1Qiaj22F5sgkfW9KiHq5tL9/kNgdVNq3T9J5HlFAK0Vrdd5lHtW0DvVSt8xbMsg/x 8TmsCGmuCq1nrYVctaagD69w49/H0fWsI23X8=
In-reply-to:	<6b4495690164114ff7353c86f6b53b979fca2756.1273834562.git.wuzhangjin@gmail.com>
Original-recipient:	rfc822;linux-mips@linux-mips.org
References:	<cover.1273834561.git.wuzhangjin@gmail.com> <6b4495690164114ff7353c86f6b53b979fca2756.1273834562.git.wuzhangjin@gmail.com>
Sender:	linux-mips-bounce@linux-mips.org
User-agent:	Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4

On 05/14/2010 04:08 AM, Wu Zhangjin wrote:

From: Wu Zhangjin<wuzhangjin@gmail.com>

With the help of uasm, this patch encodes the instructions of dynamic
Function Tracer in ftrace_dyn_arch_init() when initializing it.

[...]

+#include<asm/uasm.h>

All of uasm is _cpuinit, I haven't checked everything, but are you sureyou aren't calling if from non-_cpuinit code?


David Daney

<Prev in Thread]	Current Thread	[Next in Thread>
Re: [PATCH 3/9] tracing: MIPS: mcount.S: cleanup of the comments, (continued) Re: [PATCH 3/9] tracing: MIPS: mcount.S: cleanup of the comments, Ralf Baechle [PATCH 2/9] tracing: MIPS: mcount.S: cleanup the arguments of prepare_ftrace_return, Wu Zhangjin Re: [PATCH 2/9] tracing: MIPS: mcount.S: cleanup the arguments of prepare_ftrace_return, Ralf Baechle [PATCH 4/9] tracing: MIPS: mcount.S: Fix the argument passing of the 32bit support with gcc 4.5, Wu Zhangjin Re: [PATCH 4/9] tracing: MIPS: mcount.S: Fix the argument passing of the 32bit support with gcc 4.5, Ralf Baechle [PATCH 5/9] tracing: MIPS: Fixup of the 32bit support with -mmcount-ra-address, Wu Zhangjin Re: [PATCH 5/9] tracing: MIPS: Fixup of the 32bit support with -mmcount-ra-address, Ralf Baechle [PATCH 6/9] tracing: MIPS: cleanup of the instructions, Wu Zhangjin Re: [PATCH 6/9] tracing: MIPS: cleanup of the instructions, Ralf Baechle [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, David Daney <= Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, David Daney Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Ralf Baechle Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Ralf Baechle [PATCH 8/9] tracing: MIPS: cleanup of function graph tracer, Wu Zhangjin Re: [PATCH 8/9] tracing: MIPS: cleanup of function graph tracer, Ralf Baechle [PATCH 9/9] tracing: MIPS: cleanup of the address space checking, Wu Zhangjin Re: [PATCH 9/9] tracing: MIPS: cleanup of the address space checking, Ralf Baechle

<Prev in Thread]

Current Thread

[Next in Thread>

Previous by Date:	Re: [PATCH] media/IR: Add missing include file to rc-map.c, Stephen Rothwell
Next by Date:	Re: [Bug report] Got bus error when loading kernel module on SB1250 Rev B2 board with 64 bit kernel, Ralf Baechle
Previous by Thread:	[PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin
Next by Thread:	Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin
Indexes:	[Date] [Thread] [Top] [All Lists]

Previous by Date:

Re: [PATCH] media/IR: Add missing include file to rc-map.c, Stephen Rothwell

Next by Date:

Re: [Bug report] Got bus error when loading kernel module on SB1250 Rev B2 board with 64 bit kernel, Ralf Baechle

Previous by Thread:

[PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin

Next by Thread:

Re: [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer, Wu Zhangjin

Indexes:

[Date] [Thread] [Top] [All Lists]