From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: 0.11: SMP guests using one host CPU only?
Date: Thu, 22 Oct 2009 11:28:53 +0200 [thread overview]
Message-ID: <4AE025D5.7010403@wpkg.org> (raw)
In-Reply-To: <4AE00426.3030404@redhat.com>
Avi Kivity wrote:
>> Some 1-CPU guests have only one thread though?
>>
>
> Are you sure they're using kvm? Try 'info kvm' in the monitor. tcg
> will only use on thread (more will be spawned for I/O, but will
> eventually die).
Indeed, that was a good suggestion - they were not using KVM (support
not compiled in, and kvm didn't complain when starting).
IO and CPU speed was rather OK, so I didn't notice ;)
To sum up the thread: I guess qemu _without_ KVM will only use one CPU,
even when you assign more CPUs to the guest?
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2009-10-22 9:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-20 9:03 0.11: SMP guests using one host CPU only? Tomasz Chmielewski
2009-10-20 9:41 ` Avi Kivity
2009-10-20 10:17 ` Tomasz Chmielewski
2009-10-20 13:16 ` Avi Kivity
2009-10-20 13:19 ` Tomasz Chmielewski
2009-10-20 13:21 ` Avi Kivity
2009-10-20 13:48 ` Tomasz Chmielewski
2009-10-22 7:05 ` Avi Kivity
2009-10-22 9:28 ` Tomasz Chmielewski [this message]
2009-10-22 10:51 ` Avi Kivity
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