From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Valdis.Kletnieks@vt.edu
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: 'config EVENT_PROFILE' - how does it ever work?
Date: Tue, 07 Jul 2009 16:34:55 +0200 [thread overview]
Message-ID: <1246977295.8143.319.camel@twins> (raw)
In-Reply-To: <11231.1246973627@turing-police.cc.vt.edu>
On Tue, 2009-07-07 at 09:33 -0400, Valdis.Kletnieks@vt.edu wrote:
> Peter - where do you prefer your e-mail? MAINTAINERS for 'perf' gives this
> chello.nl address, but peterz@infradead.org for other stuff? Sending to both
> just in case...
either work, they end up in the same inbox ;-)
> Found this while trying to figure out why there was a one-entry menu
> for performance counters.
>
> Commit e077df4f adds to init/Kconfig this code:
>
> config EVENT_PROFILE
> bool "Tracepoint profile sources"
> depends on PERF_COUNTERS && EVENT_TRACER
> default y
>
> But there's no other usage of EVENT_TRACER I can find other than a lot
> of 'EVENT_TRACER is not set' entries in defconfigs. Is this an actual bug,
> or did I lose the plot someplace?
It used to work at some point in the past, but then I think it bitrotted
a bit with the tracer changes. I think Jason Baron posted a few patches
yesterday that fixed it all up and made it work nicely again.
http://lkml.org/lkml/2009/7/6/313
next prev parent reply other threads:[~2009-07-07 14:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-07 13:33 Valdis.Kletnieks
2009-07-07 14:34 ` Peter Zijlstra [this message]
2009-07-07 16:00 ` Peter Zijlstra
2009-07-07 17:45 ` Valdis.Kletnieks
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