From: Lee Revell <rlrevell@joe-job.com>
To: Dimitri Sivanich <sivanich@sgi.com>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org,
Thomas Gleixner <tglx@linutronix.de>, Andi Kleen <ak@suse.de>,
Jes Sorensen <jes@sgi.com>
Subject: Re: [PATCH] Migration of Standard Timers
Date: Tue, 19 Sep 2006 12:33:37 -0400 [thread overview]
Message-ID: <1158683617.11682.14.camel@mindpipe> (raw)
In-Reply-To: <20060919152942.GA26863@sgi.com>
On Tue, 2006-09-19 at 10:29 -0500, Dimitri Sivanich wrote:
> This patch allows the user to migrate currently queued
> standard timers from one cpu to another. Migrating
> timers off of select cpus allows those cpus to run
> time critical threads with minimal timer induced latency
> (which can reach 100's of usec for a single timer as shown
> on an X86_64 test machine), thereby improving overall
> determinance on those selected cpus.
Which driver or subsystem is doing 100s of usecs of work in a timer?
Shouldn't another mechanism like a workqueue be used instead?
Lee
next prev parent reply other threads:[~2006-09-19 16:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-19 15:29 [PATCH] Migration of Standard Timers Dimitri Sivanich
2006-09-19 16:33 ` Lee Revell [this message]
2006-09-19 16:41 ` Dimitri Sivanich
2006-09-19 16:57 ` Lee Revell
2006-09-22 19:16 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2006-09-14 13:29 [PATCH] Migration of standard timers Dimitri Sivanich
2006-09-14 14:11 ` Jes Sorensen
2006-09-14 14:30 ` Dimitri Sivanich
2006-09-15 6:06 ` Andrew Morton
2006-09-15 16:39 ` Thomas Gleixner
2006-09-15 16:58 ` Dimitri Sivanich
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