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Message-ID: <20121012093707.GC12567@gmail.com>
Date: Fri, 12 Oct 2012 10:37:07 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Nishanth Menon <nm@...com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Russell King <linux@....linux.org.uk>,
linus.walleij@...ricsson.com,
Jonas Aaberg <jonas.aberg@...ricsson.com>,
Will Deacon <will.deacon@....com>, arnd@...db.de,
Mian Yousaf Kaukab <mian.yousaf.kaukab@...ricsson.com>,
dmurphy@...com
Subject: Re: [PATCH] Boottime: A tool for automatic measurement of
kernel/bootloader boot time
On Thu, 11 Oct 2012, Nishanth Menon wrote:
> On 15:42-20121011, Lee Jones wrote:
> > From: Jonas Aaberg <jonas.aberg@...ricsson.com>
> >
> > The overhead is very low and the results will be found under
> > sysfs/bootime, as well as detailed results in debugfs under
> > boottime/. The bootgraph* files are compatible with
> > scripts/bootgraph.pl. The reason for this patch is to provide
> > data (sysfs/boottime) suitable for automatic testcases as
> > well as help for developers to reduce the boot time (debugfs).
> Tried master:
> 250d8 Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux
> and v3.6-rc7
> with omap2plus_defconfig + CONFIG_BOOTTIME enabled:
>
> init/boottime.c:47:9: error: ‘cpu_usage_stat’ defined as wrong kind of tag
> init/boottime.c:47:24: error: array type has incomplete element type
> init/boottime.c: In function ‘boottime_mark_core’:
> init/boottime.c:127:313: error: ‘struct kernel_stat’ has no member named ‘cpustat’
> init/boottime.c:128:311: error: ‘struct kernel_stat’ has no member named ‘cpustat’
> init/boottime.c:129:313: error: ‘struct kernel_stat’ has no member named ‘cpustat’
> init/boottime.c:130:310: error: ‘struct kernel_stat’ has no member named ‘cpustat’
>
> if it depended on some other patch or a specific maintainer branch,
> it was'nt clear.
No, this is completely my fault.
There are added dependencies and fixups that I missed.
I'll fixup and resubmit.
Unfortunately, there are now other authors involved, so I need to
seek permission before squashing them in. Please bear with me.
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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