Re: [PATCH] Migration of Standard Timers

From: Lee Revell
Date: Tue Sep 19 2006 - 12:32:56 EST


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

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