From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Sander Eikelenboom <linux@eikelenboom.it>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: events/0 and xenconsoled wakeups
Date: Tue, 29 Mar 2011 14:14:04 -0700 [thread overview]
Message-ID: <4D924B9C.40701@goop.org> (raw)
In-Reply-To: <156928305.20110325232803@eikelenboom.it>
On 03/25/2011 03:28 PM, Sander Eikelenboom wrote:
> Hi Jeremy,
>
> Is this thing still on your list ?
> http://www.gossamer-threads.com/lists/linux/kernel/1281515
>
> Ran powertop today, and events/0 and xenconsoled seem to be still responsible for the majority of wakeups.
Yeah. Unfortunately the underlying bug is a design error in the tty
subsystem, which will be hard to fix. However, the one-liner fix can
mitigate the problem and reduce the wakeups to 100Hz.
Also, attaching a console to the various hvcs will also fix it.
J
next prev parent reply other threads:[~2011-03-29 21:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 22:28 events/0 and xenconsoled wakeups Sander Eikelenboom
2011-03-29 21:14 ` Jeremy Fitzhardinge [this message]
2011-03-31 12:19 ` Sander Eikelenboom
2011-03-31 17:34 ` Jeremy Fitzhardinge
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