linux-kernel - Re: [PATCH -tip] Tracing/fastboot: Only trace non-module initcalls

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Message-ID: <48E659CB.5030902@tuffmail.co.uk>
Date:	Fri, 03 Oct 2008 18:43:39 +0100
From:	Alan Jenkins <aj504@...dent.cs.york.ac.uk>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH -tip] Tracing/fastboot: Only trace non-module initcalls

Frederic Weisbecker wrote:
> At this time, only built-in initcalls interest us.
> We can't really produce a relevant graph if we include
> the modules initcall too.
> 
> I had good results after this patch (see svg in attachment).

Sorry to butt in.  I think tracing module initcalls was a deliberate addition by Arjan (a06e1c2b448b317bc141934879cbbbed8319b4d4).

Maybe you use an initrd and that affects the trace?  It would be nice to see the "before" svg as well as the "after", to explain the change.

Thanks
Alan


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