From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Will Trives <will-J70FMD0Zi3SBcRoGwV6fIw@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] kvm: qemu: remove SIGUSR2 from io_sigset
Date: Sun, 20 Jan 2008 12:45:00 +0200 [thread overview]
Message-ID: <4793262C.1090502@qumranet.com> (raw)
In-Reply-To: <4793158A.2080509-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Avi Kivity wrote:
> Will Trives wrote:
>> Hello,
>>
>> This patch :
>>
>> kvm: qemu: remove SIGUSR2 from io_sigset
>>
>> Applied 15th Jan 2008 looks to kill I/O performance for me. As soon as I
>> revert it my VMs are much faster. I don't really use SMP for my guests,
>> perhaps this patch made uniprocessor VMs slower ?
>>
>>
>>
>
> How are you measuring performance?
>
Never mind, fio shows it.
Will investigate.
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prev parent reply other threads:[~2008-01-20 10:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-12 3:11 [RFC] fix VMX TSC synchronicity Will Trives
2008-01-12 12:28 ` Marcelo Tosatti
2008-01-12 13:48 ` Will Trives
2008-01-12 20:51 ` Avi Kivity
[not found] ` <4789284E.7000907-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-19 18:58 ` [PATCH] kvm: qemu: remove SIGUSR2 from io_sigset Will Trives
2008-01-20 9:34 ` Avi Kivity
[not found] ` <4793158A.2080509-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-20 10:45 ` Avi Kivity [this message]
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