From patchwork Fri May 3 12:01:21 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 241290 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0F9432C01D6 for ; Fri, 3 May 2013 22:02:52 +1000 (EST) Received: from localhost ([::1]:38025 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UYEhM-0000Vp-OF for incoming@patchwork.ozlabs.org; Fri, 03 May 2013 08:02:48 -0400 Received: from eggs.gnu.org ([208.118.235.92]:43374) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UYEgD-0007g8-7G for qemu-devel@nongnu.org; Fri, 03 May 2013 08:01:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UYEg6-00043C-4J for qemu-devel@nongnu.org; Fri, 03 May 2013 08:01:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UYEg5-000435-IG for qemu-devel@nongnu.org; Fri, 03 May 2013 08:01:29 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r43C1Stq025641 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 3 May 2013 08:01:29 -0400 Received: from localhost (ovpn-112-30.ams2.redhat.com [10.36.112.30]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r43C1RBb006194; Fri, 3 May 2013 08:01:28 -0400 From: Stefan Hajnoczi To: Date: Fri, 3 May 2013 14:01:21 +0200 Message-Id: <1367582485-15579-1-git-send-email-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Anthony Liguori , Stefan Hajnoczi Subject: [Qemu-devel] [PULL 0/4] Tracing patches X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This tracing pull request is long overdue for QEMU 1.5. Eiichi Tsukata's ftrace backend makes it easy to correlate QEMU events with host kernel events. He also reports good performance. Kazuya Saito's trace events make it easier to observe the KVM run loop. The following changes since commit 8ca27ce2e1150486ea2db4116a03706b28294f16: Merge remote-tracking branch 'afaerber/qom-cpu' into staging (2013-05-02 10:57:01 -0500) are available in the git repository at: git://github.com/stefanha/qemu.git tracing for you to fetch changes up to e64dd5efb2c6d522a3bc9d096cd49a4e53f0ae10: trace: document ftrace backend (2013-05-03 13:58:09 +0200) ---------------------------------------------------------------- Eiichi Tsukata (2): trace: Add ftrace tracing backend trace: document ftrace backend Kazuya Saito (2): kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints kvm-all: add kvm_run_exit tracepoint configure | 8 +++ docs/tracing.txt | 16 ++++++ kvm-all.c | 5 ++ scripts/tracetool/backend/ftrace.py | 54 +++++++++++++++++++ trace-events | 7 +++ trace/Makefile.objs | 1 + trace/ftrace.c | 102 ++++++++++++++++++++++++++++++++++++ trace/ftrace.h | 10 ++++ 8 files changed, 203 insertions(+) create mode 100644 scripts/tracetool/backend/ftrace.py create mode 100644 trace/ftrace.c create mode 100644 trace/ftrace.h