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From: "Frédéric Weisbecker" <fweisbec@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Cc: "Steven Rostedt" <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org,
	"Arjan van de Ven" <arjan@infradead.org>
Subject: Re: [PATCH -tip 2/2] Tracing/fastboot: Get the initcall name before it disappears
Date: Thu, 2 Oct 2008 14:18:08 +0200	[thread overview]
Message-ID: <c62985530810020518t23879bd6r2426e68c867ecb64@mail.gmail.com> (raw)
In-Reply-To: <20081002120231.GB14322@elte.hu>

2008/10/2 Ingo Molnar <mingo@elte.hu>:
>
> * Frederic Weisbecker <fweisbec@gmail.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@gmail.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!

  reply	other threads:[~2008-10-02 12:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-02 11:26 Frederic Weisbecker
2008-10-02 12:02 ` Ingo Molnar
2008-10-02 12:18   ` Frédéric Weisbecker [this message]
2008-10-02 15:47   ` [PATCH] tracing/fastboot: build fix Ingo Molnar

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