linux-kernel - Re: ext4 deep stack with mark_page

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Message-ID: <20110323140235.GF17108@twin.jikos.cz>
Date:	Wed, 23 Mar 2011 15:02:35 +0100
From:	David Sterba <dave@...os.cz>
To:	Chris Mason <chris.mason@...cle.com>
Cc:	dave <dave@...os.cz>, linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, adilger <adilger@...ger.ca>
Subject: Re: ext4 deep stack with mark_page_dirty reclaim

On Tue, Mar 15, 2011 at 12:26:43PM -0400, Chris Mason wrote:
> Also, the ftrace stack usage tracer gives more verbose output that
> includes the size of each function.

Yet another one on the list is the -fstack-size option in new gcc 4.6 [*].
It creates a file with .su extension containing lines in format
file:line:char:function_name	stack_size	linkage_type

eg.

a.c:168:5:main     224     static


dave

* http://gcc.gnu.org/gcc-4.6/changes.html
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