From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751883Ab1GXAUP (ORCPT ); Sat, 23 Jul 2011 20:20:15 -0400 Received: from claw.goop.org ([74.207.240.146]:38252 "EHLO claw.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751618Ab1GXAUI (ORCPT ); Sat, 23 Jul 2011 20:20:08 -0400 Message-ID: <4E29F6FE.6030004@goop.org> Date: Fri, 22 Jul 2011 15:17:34 -0700 From: Jeremy Fitzhardinge User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110621 Fedora/3.1.11-1.fc15 Lightning/1.0b3pre Thunderbird/3.1.11 MIME-Version: 1.0 To: Linus Torvalds CC: Linux Kernel Mailing List , "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk Subject: [GIT PULL] xen: replace adhoc debug goo with proper tracing X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Linus, This replaces a pile of ad-hoc debug stuff in the Xen code with tracing, and a few performance improvements noticed as a result. Thanks, J The following changes since commit fe0d42203cb5616eeff68b14576a0f7e2dd56625: Linux 3.0-rc6 (2011-07-04 15:56:24 -0700) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git upstream/xen-tracing2 Jeremy Fitzhardinge (17): trace/xen: add skeleton for Xen trace events xen/multicalls: remove debugfs stats xen/trace: set up tracepoint skeleton xen/trace: add multicall tracing xen/trace: add mmu tracepoints xen/trace: add ptpage alloc/release tracepoints xen/trace: add xen_pgd_(un)pin tracepoints xen/trace: add segment desc tracing xen/trace: add tlb flush tracepoints xen/mmu: use extend_args for more mmuext updates xen/mmu: tune pgtable alloc/release xen/multicalls: disable MC_DEBUG xen/multicalls: add unlikely around slowpath in __xen_mc_entry() xen/multicall: special-case singleton hypercalls xen/multicall: move *idx fields to start of mc_buffer xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT() xen/trace: use class for multicall trace arch/x86/include/asm/xen/hypercall.h | 22 ++ arch/x86/include/asm/xen/trace_types.h | 18 ++ arch/x86/xen/Makefile | 2 +- arch/x86/xen/enlighten.c | 16 +- arch/x86/xen/mmu.c | 139 +++++++-- arch/x86/xen/multicalls.c | 169 +++-------- arch/x86/xen/multicalls.h | 6 + arch/x86/xen/trace.c | 61 ++++ include/trace/events/xen.h | 504 ++++++++++++++++++++++++++++++++ 9 files changed, 787 insertions(+), 150 deletions(-) create mode 100644 arch/x86/include/asm/xen/trace_types.h create mode 100644 arch/x86/xen/trace.c create mode 100644 include/trace/events/xen.h