From: Andi Kleen <ak@suse.de>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Chuck Ebbert <76306.1226@compuserve.com>,
Stephane Eranian <eranian@hpl.hp.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [patch] i386: use thread_info flags for debug regs and IO bitmaps
Date: Mon, 10 Jul 2006 02:07:49 +0200 [thread overview]
Message-ID: <200607100207.49097.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0607091646210.5623@g5.osdl.org>
On Monday 10 July 2006 01:48, Linus Torvalds wrote:
>
> On Sun, 9 Jul 2006, Chuck Ebbert wrote:
> >
> > After I saw a ~7% gain in task-switch performance, I like it now
> > even without perfmon2 in there.
>
> So is the 7% performance gain visible with just that single patch
It came from lmbench which is not particularly stable for context switch
times. Might well be an artifact. It sounds too much too.
-Andi
next prev parent reply other threads:[~2006-07-10 0:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-09 23:34 [patch] i386: use thread_info flags for debug regs and IO bitmaps Chuck Ebbert
2006-07-09 23:48 ` Linus Torvalds
2006-07-10 0:07 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-07-07 15:53 Chuck Ebbert
2006-07-07 16:22 ` Andi Kleen
2006-07-08 21:26 ` Linus Torvalds
2006-07-09 23:59 ` Andi Kleen
2006-07-10 9:28 ` Stephane Eranian
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