From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] kvm: qemu: remove SIGUSR2 from io_sigset Date: Sun, 20 Jan 2008 12:45:00 +0200 Message-ID: <4793262C.1090502@qumranet.com> References: <1200107490.29034.2.camel@Athas> <20080112122801.GA3121@dmt> <1200145735.29034.19.camel@Athas> <4789284E.7000907@qumranet.com> <1200769108.6255.4.camel@Athas> <4793158A.2080509@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Will Trives Return-path: In-Reply-To: <4793158A.2080509-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.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. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/