From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/9] Post-PPC32 series v2 Date: Wed, 21 Apr 2010 12:44:29 +0300 Message-ID: <4BCEC8FD.7010803@redhat.com> References: <1271724594-6223-1-git-send-email-agraf@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm-ppc@vger.kernel.org, kvm@vger.kernel.org To: Alexander Graf Return-path: Received: from mx1.redhat.com ([209.132.183.28]:21899 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753807Ab0DUJod (ORCPT ); Wed, 21 Apr 2010 05:44:33 -0400 In-Reply-To: <1271724594-6223-1-git-send-email-agraf@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: On 04/20/2010 03:49 AM, Alexander Graf wrote: > While working with the PPC32 host target we finally have I stumbled over > several things. Thanks to the now possible performance measurements I also > tracked down split mode as one of the major slowdowns to KVM. > > What's left now that slows us down is the normal flushing code that needs > to move to a table based lookup and instruction emulation. On PPC32 guests > we waste about 70% of our time on emulating mfmsr, mtmsr, mfsprg, mtsprg > and friends. > > Either way - this patch series deprecates the former performance counter > and u64 patch. > > Applied all, thanks. -- error compiling committee.c: too many arguments to function