linux-kernel - Re: [PATCH -tip 2/2] Tracing/fastboot: Get the initcall name before it disappears

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Date:	Thu, 2 Oct 2008 14:18:08 +0200
From:	"Frédéric Weisbecker" <fweisbec@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Steven Rostedt" <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org,
	"Arjan van de Ven" <arjan@...radead.org>
Subject: Re: [PATCH -tip 2/2] Tracing/fastboot: Get the initcall name before it disappears

2008/10/2 Ingo Molnar <mingo@...e.hu>:
>
> * Frederic Weisbecker <fweisbec@...il.com> wrote:
>
>> After some initcall traces, some initcall names may be inconsistent.
>> That's because these functions will disappear from the .init section
>> and also their name from the symbols table.
>> So we have to copy the name of the function in a buffer large enough
>> during the trace appending. It is not costly for the ring_buffer because
>> the number of initcall entries is commonly not really large.
>>
>> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
>
> applied to tip/tracing/fastboot, thanks Frederic,
>
>        Ingo
>

BTW I forgot to cc Arjan.
Arjan if you have some time to test it, I would be interested by your
feeling about it since
the boot tracer has now an output which is parsable by bootgraph.pl.

Thanks!
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