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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM
Date: Wed, 19 Oct 2011 12:45:50 +0200	[thread overview]
Message-ID: <1861853.vLiqXrnQg4@wuerfel> (raw)
In-Reply-To: <4E9E0C66.3020405@am.sony.com>

On Tuesday 18 October 2011 16:31:50 Tim Bird wrote:
> 
> This tool can be used to analyze the function stack size for ARM kernels,
> statically, based on a disassembly of vmlinux (or an individual .o file
> 
> Signed-off-by: Tim Bird <tim.bird@am.sony.com>

Hi Tim,

I thought we now had a gcc option for this. gcc documentation points to -Wstack-usage=XXX.
This was first introduced on s390 in architecture specific gcc code, but should now work
everywhere.

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Tim Bird <tim.bird@am.sony.com>,
	Russell King <rmk@arm.linux.org.uk>,
	Andi Kleen <andi@firstfloor.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM
Date: Wed, 19 Oct 2011 12:45:50 +0200	[thread overview]
Message-ID: <1861853.vLiqXrnQg4@wuerfel> (raw)
In-Reply-To: <4E9E0C66.3020405@am.sony.com>

On Tuesday 18 October 2011 16:31:50 Tim Bird wrote:
> 
> This tool can be used to analyze the function stack size for ARM kernels,
> statically, based on a disassembly of vmlinux (or an individual .o file
> 
> Signed-off-by: Tim Bird <tim.bird@am.sony.com>

Hi Tim,

I thought we now had a gcc option for this. gcc documentation points to -Wstack-usage=XXX.
This was first introduced on s390 in architecture specific gcc code, but should now work
everywhere.

	Arnd

  reply	other threads:[~2011-10-19 10:45 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-18 23:27 [PATCH 0/3] ARM 4Kstacks: introduction Tim Bird
2011-10-18 23:27 ` Tim Bird
2011-10-18 23:29 ` [PATCH 1/3] ARM 4Kstacks: Add support for 4K kernel stacks to ARM Tim Bird
2011-10-18 23:29   ` Tim Bird
2011-10-18 23:31 ` [PATCH 2/3] ARM: Add static kernel function stack size analyzer, for ARM Tim Bird
2011-10-18 23:31   ` Tim Bird
2011-10-19 10:45   ` Arnd Bergmann [this message]
2011-10-19 10:45     ` Arnd Bergmann
2011-10-21 17:03     ` Andi Kleen
2011-10-21 17:03       ` Andi Kleen
2011-10-18 23:34 ` [PATCH 3/3] ARM 4Kstacks: Decrease poll and select stack usage, when using 4K stacks Tim Bird
2011-10-18 23:34   ` Tim Bird
2011-10-20 12:21   ` Arnd Bergmann
2011-10-20 12:21     ` Arnd Bergmann
2011-10-19  0:14 ` [PATCH 0/3] ARM 4Kstacks: introduction Joe Perches
2011-10-19  0:14   ` Joe Perches
2011-10-19  0:26   ` Tim Bird
2011-10-19  0:26     ` Tim Bird
2011-10-19  0:31     ` Joe Perches
2011-10-19  0:31       ` Joe Perches
2011-10-19 23:43       ` Tim Bird
2011-10-19 23:43         ` Tim Bird
2011-10-19  4:54     ` Dave Chinner
2011-10-19  4:54       ` Dave Chinner
2011-10-19  5:02       ` Andi Kleen
2011-10-19  5:02         ` Andi Kleen
2011-10-19 10:51     ` Arnd Bergmann
2011-10-19 10:51       ` Arnd Bergmann
2011-10-22  8:50       ` Ming Lei
2011-10-22  8:50         ` Ming Lei
2011-10-22 13:13         ` Måns Rullgård
2011-10-22 13:13           ` Måns Rullgård
2011-10-22 14:27           ` Andi Kleen
2011-10-22 14:27             ` Andi Kleen
2011-10-22 13:36         ` Russell King - ARM Linux
2011-10-22 13:36           ` Russell King - ARM Linux
2011-10-23 19:25           ` Tim Bird
2011-10-23 19:25             ` Tim Bird
2011-10-23 20:11             ` Russell King - ARM Linux
2011-10-23 20:11               ` Russell King - ARM Linux
2011-10-24 10:36           ` Ming Lei
2011-10-24 10:36             ` Ming Lei
2011-10-23 14:06       ` Bernd Petrovitsch
2011-10-23 14:06         ` Bernd Petrovitsch
2011-10-19  4:33 ` Dave Chinner
2011-10-19  4:33   ` Dave Chinner
2011-10-19  7:35 ` Russell King - ARM Linux
2011-10-19  7:35   ` Russell King - ARM Linux
2011-10-19 23:36   ` Tim Bird
2011-10-19 23:36     ` Tim Bird
2011-10-20  0:13     ` Måns Rullgård
2011-10-20  0:13       ` Måns Rullgård
2011-10-20  1:08       ` Tim Bird
2011-10-20  1:08         ` Tim Bird
2011-10-20  1:55         ` Måns Rullgård
2011-10-20  1:55           ` Måns Rullgård
2011-10-20 22:21     ` Dave Chinner
2011-10-20 22:21       ` Dave Chinner

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