linux-kernel - Re: [PATCH] Updated: Oprofile Multiplexing

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Message-ID: <87bq2iv5m2.fsf@basil.nowhere.org>
Date:	Tue, 03 Jun 2008 18:35:33 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Jason Yeh <jason.yeh@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Updated: Oprofile Multiplexing

Jason Yeh <jason.yeh@....com> writes:

> This is an updated patch to enable Oprofile module to switch between different
> sets of events at the user specified interval. It allows the module to gather
> more event statistics than the number of event counters on the hardware in a
> single run of profiling.
>
> A new file (/dev/oprofile/timeout_ms) is added for user to specify the interval.

This sounds actually like something that should be handled with hrtimers
for best results and then ms would be not finegrained enough.

-Andi
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