From patchwork Mon Aug 30 13:27:16 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 63043 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 1CE1EB70F1 for ; Tue, 31 Aug 2010 00:16:11 +1000 (EST) Received: from localhost ([127.0.0.1]:36076 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oq59c-0006QQ-Ay for incoming@patchwork.ozlabs.org; Mon, 30 Aug 2010 10:16:08 -0400 Received: from [140.186.70.92] (port=48573 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oq4Oh-0001AK-R1 for qemu-devel@nongnu.org; Mon, 30 Aug 2010 09:27:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oq4Od-00046l-QZ for qemu-devel@nongnu.org; Mon, 30 Aug 2010 09:27:39 -0400 Received: from mtagate5.de.ibm.com ([195.212.17.165]:35425) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oq4Od-00046U-HM for qemu-devel@nongnu.org; Mon, 30 Aug 2010 09:27:35 -0400 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate5.de.ibm.com (8.13.1/8.13.1) with ESMTP id o7UDRYpX022281 for ; Mon, 30 Aug 2010 13:27:34 GMT Received: from d12av04.megacenter.de.ibm.com (d12av04.megacenter.de.ibm.com [9.149.165.229]) by d12nrmr1607.megacenter.de.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o7UDRYQZ4079616 for ; Mon, 30 Aug 2010 15:27:34 +0200 Received: from d12av04.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av04.megacenter.de.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id o7UDRYlY008560 for ; Mon, 30 Aug 2010 15:27:34 +0200 Received: from stefan-thinkpad.ibm.com (sig-9-146-224-127.de.ibm.com [9.146.224.127]) by d12av04.megacenter.de.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id o7UDROUW007601; Mon, 30 Aug 2010 15:27:33 +0200 From: Stefan Hajnoczi To: Date: Mon, 30 Aug 2010 14:27:16 +0100 Message-Id: <1283174836-6330-15-git-send-email-stefanha@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1283174836-6330-1-git-send-email-stefanha@linux.vnet.ibm.com> References: <1283174836-6330-1-git-send-email-stefanha@linux.vnet.ibm.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) Cc: Blue Swirl , Anthony Liguori , Stefan Hajnoczi , Prerna Saxena Subject: [Qemu-devel] [PATCH 14/14] trace: Trace entry point of balloon request handler 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 From: Prerna Saxena Signed-off-by: Prerna Saxena Signed-off-by: Stefan Hajnoczi --- 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 b2c7f10..c5fa0aa 100644 --- a/trace-events +++ b/trace-events @@ -63,3 +63,7 @@ disable paio_submit(void *acb, void *opaque, unsigned long sector_num, unsigned # ioport.c disable cpu_in(unsigned int addr, unsigned int val) "addr %#x value %u" disable cpu_out(unsigned int addr, unsigned int val) "addr %#x value %u" + +# balloon.c +# Since requests are raised via monitor, not many tracepoints are needed. +disable balloon_event(void *opaque, unsigned long addr) "opaque %p addr %lu"