From patchwork Wed Aug 11 11:46:03 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prerna Saxena X-Patchwork-Id: 61471 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3255BB6EEB for ; Wed, 11 Aug 2010 21:53:20 +1000 (EST) Received: from localhost ([127.0.0.1]:49334 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oj9rx-0004S9-4q for incoming@patchwork.ozlabs.org; Wed, 11 Aug 2010 07:53:17 -0400 Received: from [140.186.70.92] (port=59266 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oj9l5-0001ig-M5 for qemu-devel@nongnu.org; Wed, 11 Aug 2010 07:46:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oj9l4-0006zU-CO for qemu-devel@nongnu.org; Wed, 11 Aug 2010 07:46:11 -0400 Received: from e28smtp08.in.ibm.com ([122.248.162.8]:59318) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oj9l3-0006yo-MH for qemu-devel@nongnu.org; Wed, 11 Aug 2010 07:46:10 -0400 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by e28smtp08.in.ibm.com (8.14.4/8.13.1) with ESMTP id o7BBZ9PM004772 for ; Wed, 11 Aug 2010 17:05:09 +0530 Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o7BBk5eB3821744 for ; Wed, 11 Aug 2010 17:16:05 +0530 Received: from d28av05.in.ibm.com (loopback [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o7BBk5fl006162 for ; Wed, 11 Aug 2010 21:46:05 +1000 Received: from zephyr ([9.124.35.61]) by d28av05.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id o7BBk5Q7006159; Wed, 11 Aug 2010 21:46:05 +1000 Date: Wed, 11 Aug 2010 17:16:03 +0530 From: Prerna Saxena To: qemu-devel Message-ID: <20100811171603.60e79c96@zephyr> In-Reply-To: <20100811101427.GA2262@stefan-thinkpad.transitives.com> References: <20100811135502.1a51f73a@zephyr> <20100811101427.GA2262@stefan-thinkpad.transitives.com> Organization: IBM X-Mailer: Claws Mail 3.7.5 (GTK+ 2.16.6; i586-redhat-linux-gnu) Mime-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Cc: Mahesh , Ananth Narayan , Stefan Hajnoczi Subject: [Qemu-devel] [Tracing][PATCH 2/2] More Trace events X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org [PATCH 2/2] Trace event for tracking entry point of balloon request handler. Signed-off-by: Prerna Saxena --- balloon.c | 2 ++ trace-events | 4 ++++ 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/balloon.c b/balloon.c index 8e0b7f1..0021fef 100644 --- a/balloon.c +++ b/balloon.c @@ -29,6 +29,7 @@ #include "cpu-common.h" #include "kvm.h" #include "balloon.h" +#include "trace.h" static QEMUBalloonEvent *qemu_balloon_event; @@ -43,6 +44,7 @@ void qemu_add_balloon_handler(QEMUBalloonEvent *func, void *opaque) int qemu_balloon(ram_addr_t target, MonitorCompletion cb, void *opaque) { if (qemu_balloon_event) { + trace_balloon_event(qemu_balloon_event_opaque, target); qemu_balloon_event(qemu_balloon_event_opaque, target, cb, opaque); return 1; } else { diff --git a/trace-events b/trace-events index 7dbd08f..d0d9f50 100644 --- a/trace-events +++ b/trace-events @@ -63,3 +63,7 @@ paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned long nb_ # ioport.c cpu_in(unsigned int addr, unsigned int val) "addr %u value %u" cpu_out(unsigned int addr, unsigned int val) "addr %u value %u" + +# balloon.c +# # Since requests are raised via monitor, not many tracepoints are needed. +balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"