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Violators will be prosecuted; Tue, 14 Jun 2016 13:14:01 +0100 X-IBM-Helo: d06dlp03.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id B061D1B08075 for ; Tue, 14 Jun 2016 13:15:08 +0100 (BST) Received: from d06av07.portsmouth.uk.ibm.com (d06av07.portsmouth.uk.ibm.com [9.149.37.248]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u5ECE0KI9896314 for ; Tue, 14 Jun 2016 12:14:00 GMT Received: from d06av07.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u5ECDxYx005756 for ; Tue, 14 Jun 2016 08:13:59 -0400 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-202.boeblingen.de.ibm.com [9.152.224.202]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u5ECDvp7005597 (version=TLSv1/SSLv3 cipher=AES256-SHA256 bits=256 verify=NO); Tue, 14 Jun 2016 08:13:59 -0400 From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 14 Jun 2016 14:13:53 +0200 X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160614121355.9320-1-cornelia.huck@de.ibm.com> References: <20160614121355.9320-1-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16061412-0036-0000-0000-000001EE187B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16061412-0037-0000-0000-0000115A5D39 Message-Id: <20160614121355.9320-6-cornelia.huck@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-06-14_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606140137 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PULL 5/7] virtio-ccw: Provide traces for indicator changes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cornelia Huck , borntraeger@de.ibm.com, jfrei@linux.vnet.ibm.com, agraf@suse.de, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Christian Borntraeger This allows to trace changes in the summary and queue indicators for the non-irqfd case. For irqfd, kernel traces are needed instead. Signed-off-by: Christian Borntraeger Signed-off-by: Cornelia Huck --- hw/s390x/virtio-ccw.c | 1 + trace-events | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index e62a3a3..2192be8 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1091,6 +1091,7 @@ static uint8_t virtio_set_ind_atomic(SubchDev *sch, uint64_t ind_loc, ind_old = *ind_addr; ind_new = ind_old | to_be_set; } while (atomic_cmpxchg(ind_addr, ind_old, ind_new) != ind_old); + trace_virtio_ccw_set_ind(ind_loc, ind_old, ind_new); cpu_physical_memory_unmap(ind_addr, len, 1, len); return ind_old; diff --git a/trace-events b/trace-events index 421d89f..2f14205 100644 --- a/trace-events +++ b/trace-events @@ -1475,6 +1475,7 @@ css_adapter_interrupt(uint8_t isc) "CSS: adapter I/O interrupt (isc %x)" # hw/s390x/virtio-ccw.c virtio_ccw_interpret_ccw(int cssid, int ssid, int schid, int cmd_code) "VIRTIO-CCW: %x.%x.%04x: interpret command %x" virtio_ccw_new_device(int cssid, int ssid, int schid, int devno, const char *devno_mode) "VIRTIO-CCW: add subchannel %x.%x.%04x, devno %04x (%s)" +virtio_ccw_set_ind(uint64_t ind_loc, uint8_t ind_old, uint8_t ind_new) "VIRTIO-CCW: indicator at %" PRIu64 ": %x->%x" # hw/intc/s390_flic_kvm.c flic_create_device(int err) "flic: create device failed %d"