From: Marcelo Tosatti <mtosatti@redhat.com>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: kvm-devel@lists.sourceforge.net, Avi Kivity <avi@qumranet.com>
Subject: Re: [patch 1/2] QEMU: use SIGARLM for alarm timers, enable SIGIO on qemu_set_fd_handler2()
Date: Fri, 11 Apr 2008 16:44:57 -0300 [thread overview]
Message-ID: <20080411194457.GA4869@dmt> (raw)
In-Reply-To: <47FFB517.9070800@us.ibm.com>
On Fri, Apr 11, 2008 at 01:59:35PM -0500, Anthony Liguori wrote:
> With the IO thread, shouldn't we be striving to perform the select()s
> within the IO thread itself to completely avoid the need to use SIGIO at
> all?
Fully agree. Problem with it are the fundamental changes in qemu that
are required (and the difficulty merging those in qemu).
This is an immediate and easy fix to reduce CPU consumption of
-nographic.
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next prev parent reply other threads:[~2008-04-11 19:44 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-11 18:38 [patch 0/2] SIGIO handling changes Marcelo Tosatti
2008-04-11 18:38 ` [patch 1/2] QEMU: use SIGARLM for alarm timers, enable SIGIO on qemu_set_fd_handler2() Marcelo Tosatti
2008-04-11 18:59 ` Anthony Liguori
2008-04-11 19:44 ` Marcelo Tosatti [this message]
2008-04-13 15:05 ` Avi Kivity
2008-04-11 19:51 ` Marcelo Tosatti
2008-04-11 18:38 ` [patch 2/2] QEMU: decrease console "refresh rate" with -nographic Marcelo Tosatti
2008-04-13 16:30 ` Anders
2008-04-14 15:02 ` Marcelo Tosatti
2008-04-14 16:24 ` Avi Kivity
2008-04-14 17:24 ` Marcelo Tosatti
2008-04-14 18:31 ` Anthony Liguori
2008-04-15 5:39 ` Avi Kivity
2008-04-15 5:43 ` Carsten Otte
2008-04-15 13:40 ` Anthony Liguori
2008-04-15 13:47 ` Avi Kivity
2008-04-15 15:12 ` Marcelo Tosatti
2008-04-15 5:40 ` Avi Kivity
2008-04-15 7:26 ` Anders
2008-04-15 9:27 ` Avi Kivity
2008-04-15 14:20 ` Anthony Liguori
2008-04-15 14:45 ` Avi Kivity
2008-04-15 15:04 ` Marcelo Tosatti
2008-04-15 15:34 ` Anthony Liguori
2008-04-15 15:43 ` Avi Kivity
2008-04-15 18:14 ` Anthony Liguori
2008-04-16 8:37 ` Avi Kivity
2008-04-16 10:26 ` Anders
2008-04-16 11:23 ` Avi Kivity
2008-04-16 13:53 ` Anthony Liguori
2008-04-16 14:24 ` Carsten Otte
2008-04-17 12:53 ` Avi Kivity
2008-04-17 9:37 ` Avi Kivity
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