From: dmurphy@ti•com (Dan Murphy)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time
Date: Fri, 12 Oct 2012 11:36:57 -0500 [thread overview]
Message-ID: <50784729.4030302@ti.com> (raw)
In-Reply-To: <20121012140149.GJ12567@gmail.com>
On 10/12/2012 09:01 AM, Lee Jones wrote:
> On Fri, 12 Oct 2012, Arnd Bergmann wrote:
>
>> On Friday 12 October 2012, Russell King - ARM Linux wrote:
>>>> root at ME:/ cat /sys/kernel/debug/boottime/bootgraph
>>>> [ 0.185254] calling splash+0x0/0x0
>>>> [ 2.984335] initcall splash+0x0/0x0 returned 0 after 2799 msecs.
>>>> [ 2.984335] calling autoboot_delay+0x0/0x0
>>>> [ 4.089513] initcall autoboot_delay+0x0/0x0 returned 0 after 1105 msecs.
>>>> [ 4.089513] calling load_kernel+0x0/0x0
>>>> [ 4.239174] initcall load_kernel+0x0/0x0 returned 0 after 149 msecs.
>>>> [ 4.239174] calling boot_kernel+0x0/0x0
>>>> [ 4.276260] initcall boot_kernel+0x0/0x0 returned 0 after 37 msecs.
>>>> [ 4.276260] calling uncompress_ll_init+0x0/0x0
>>>> [ 4.276260] initcall uncompress_ll_init+0x0/0x0 returned 0 after 0 msecs.
>>>> [ 4.276260] Freeing init memory: 0K
>>> Umm, what happened to sysfs not becoming procfs v2? I thought we had
>>> a fairly strict requirement for "one value per file and not nicely
>>> formatted" for sysfs?
>>>
>> I was thinking the same thing at first, but then I noticed it's actually
>> debugfs, which has no such rules.
> Right. :)
>
OK I don't see when boottime_activate is called.
Where would this call actually be made from?
I see the call to deactivate but no call to activate.
Dan
next prev parent reply other threads:[~2012-10-12 16:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-11 14:42 [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time Lee Jones
2012-10-11 15:24 ` Christian Gmeiner
2012-10-11 15:36 ` Lee Jones
2012-10-11 20:17 ` Nishanth Menon
2012-10-12 9:37 ` Lee Jones
2012-10-12 9:51 ` Lee Jones
2012-10-12 13:35 ` Dan Murphy
2012-10-12 13:45 ` Lee Jones
2012-10-12 13:48 ` Russell King - ARM Linux
2012-10-12 13:53 ` Arnd Bergmann
2012-10-12 14:01 ` Lee Jones
2012-10-12 16:36 ` Dan Murphy [this message]
2012-10-12 16:42 ` Lee Jones
2012-10-15 15:52 ` Dan Murphy
2012-10-16 7:34 ` Lee Jones
2012-10-23 7:19 ` Lee Jones
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