From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932210AbdJ2TXf (ORCPT ); Sun, 29 Oct 2017 15:23:35 -0400 Received: from a2nlsmtp01-02.prod.iad2.secureserver.net ([198.71.225.36]:48576 "EHLO a2nlsmtp01-02.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751876AbdJ2TWU (ORCPT ); Sun, 29 Oct 2017 15:22:20 -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 16/17] hyper-v: trace vmbus_send_tl_connect_request() Date: Sun, 29 Oct 2017 12:21:15 -0700 Message-Id: <20171029192116.12466-16-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: MS4wfJ4F6BYxOr6HsCG0HOj0BQM9xPFeZWHsRe36qYxQd3BdIagr3jWR2O6ICHKadaxiWjDKAv0tmbFERYmuxt4bi2ZsIsTHDbDfZfWSdQv7oUGstvKtVfha yp82TD50C+osFf2UynaVMaA55B64QDTLIgoQvIcMCoWxUAINRPkYCmZl5OxsmRyEnSUfffqOVm1hVVPLXRu0+1DevnhTt4Ca8rrpZIegdK6al0d9WNnT3jkh 95Pw+g1Yyw+3zOycY9AZJJ6LVBQFpNnTiRMcdf+C/rmoPhvKRPRo8povZdHnrtGvm6OUbNzIv5kIZedHaFZ27nt8GNAugo71C+7eiJTOw6PdXXjyQaQS4o9t GkuC89OlGN4ryeoHsHZZqFgBXSORGQLDe/vRgznN0OE9kEFocdsz2q0uZUseILXOkFbvxNB4t3aoMaTn2chOsSjqsK2pxznBhrGzWtwAtU7aAybZ4M15XB+8 KvsxVOmFIhwfwSTez+s8pMVOa4FMU14TjcmxzFzcudzHo90D2sEr01hWdA0+6SwoLUB723fn/fMuXVCm Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Add tracepoint to CHANNELMSG_TL_CONNECT_REQUEST sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/channel.c | 7 ++++++- drivers/hv/hv_trace.h | 20 ++++++++++++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 0382d7b600a1..ed3634e53e15 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -236,13 +236,18 @@ int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id, const uuid_le *shv_host_servie_id) { struct vmbus_channel_tl_connect_request conn_msg; + int ret; memset(&conn_msg, 0, sizeof(conn_msg)); conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST; conn_msg.guest_endpoint_id = *shv_guest_servie_id; conn_msg.host_service_id = *shv_host_servie_id; - return vmbus_post_msg(&conn_msg, sizeof(conn_msg), true); + ret = vmbus_post_msg(&conn_msg, sizeof(conn_msg), true); + + trace_vmbus_send_tl_connect_request(&conn_msg, ret); + + return ret; } EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request); diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index f0e437c3522f..5382d9630306 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -274,6 +274,26 @@ TRACE_EVENT(vmbus_release_relid, ) ); +TRACE_EVENT(vmbus_send_tl_connect_request, + TP_PROTO(const struct vmbus_channel_tl_connect_request *msg, + int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __array(char, guest_id, 16) + __array(char, host_id, 16) + __field(int, ret) + ), + TP_fast_assign( + memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16); + memcpy(__entry->host_id, &msg->host_service_id.b, 16); + __entry->ret = ret; + ), + TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, " + "ret %d", + __entry->guest_id, __entry->host_id, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.14.1