From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751989AbdJ2TW0 (ORCPT ); Sun, 29 Oct 2017 15:22:26 -0400 Received: from a2nlsmtp01-05.prod.iad2.secureserver.net ([198.71.225.49]:54026 "EHLO a2nlsmtp01-05.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751822AbdJ2TWT (ORCPT ); Sun, 29 Oct 2017 15:22:19 -0400 x-originating-ip: 107.180.71.197 From: kys@exchange.microsoft.com To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, marcelo.cerri@canonical.com, sthemmin@microsoft.com Cc: "K . Y . Srinivasan" Subject: [PATCH 09/17] hyper-v: trace vmbus_request_offers() Date: Sun, 29 Oct 2017 12:21:08 -0700 Message-Id: <20171029192116.12466-9-kys@exchange.microsoft.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171029192116.12466-1-kys@exchange.microsoft.com> References: <20171029192030.12356-1-kys@exchange.microsoft.com> <20171029192116.12466-1-kys@exchange.microsoft.com> Reply-To: kys@microsoft.com X-CMAE-Envelope: MS4wfGb0w5AeforDrcIpWuIYE6L7fzzCxb0cuZknrOddfOWhvpk5GiIDVqjDZGbapCdt+IHSVYENpLMdpRGekfs/SECKIQrqm4B+ViIk072lvo/fFrNSSWlT MBMwKTPT6RhuN8ExGgaBh2IYwP3wBDkSr6SGHOZ25JILrlgz1j2XMpRzBwtqTUPU89T5kZRo0eYSl/pmh63Hoi4XN/7TD7MoQOvFVkZmvcynht3U/oTWAK3P T06N0kUs1nI/LXMVq8dFhLXHf2HFCuwX5wbd622XkcVaNz04WRc0CX4zDwScBz3IpY6+Gi/Uq6KXqrMM/PqZu78DSPXewR7D6EUKPXeGag5yjOHGBc6cErUY f9G3Vq6jYFuo49dF8pqckjERg7OKxaBKYZHMPGYZ1mPclL9u+JVXLM9AoqHwGSPKp+Wci1J7IynC/KG+Maut012UnytVHsaMKO0WTsYKVXcdMHkaJgguoeHq jX0IQOPBrHdr1iZfvMzOc9waEP7TAsG59flLU0M2dlzADwOAUN/f/c9FrfFc20oM4tSdkuVOS089ibAK Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Add tracepoint to CHANNELMSG_REQUESTOFFERS sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/channel_mgmt.c | 4 +++- drivers/hv/hv_trace.h | 8 ++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index c33b7412f303..b27edff8796e 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1224,9 +1224,11 @@ int vmbus_request_offers(void) msg->msgtype = CHANNELMSG_REQUESTOFFERS; - ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_message_header), true); + + trace_vmbus_request_offers(ret); + if (ret != 0) { pr_err("Unable to request offers - %d\n", ret); diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 2a046547107f..566ac0f2fe56 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -122,6 +122,14 @@ TRACE_EVENT(vmbus_onversion_response, TP_printk("version_supported %d", __entry->ver) ); +TRACE_EVENT(vmbus_request_offers, + TP_PROTO(int ret), + TP_ARGS(ret), + TP_STRUCT__entry(__field(int, ret)), + TP_fast_assign(__entry->ret = ret), + TP_printk("sending ret %d", __entry->ret) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.14.1