From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752089AbdJ2TXd (ORCPT ); Sun, 29 Oct 2017 15:23:33 -0400 Received: from a2nlsmtp01-02.prod.iad2.secureserver.net ([198.71.225.36]:48578 "EHLO a2nlsmtp01-02.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878AbdJ2TWU (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 15/17] hyper-v: trace vmbus_release_relid() Date: Sun, 29 Oct 2017 12:21:14 -0700 Message-Id: <20171029192116.12466-15-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_RELID_RELEASED sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/channel_mgmt.c | 7 +++++-- drivers/hv/hv_trace.h | 16 ++++++++++++++++ 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index b27edff8796e..ec5454f3f4a6 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -373,12 +373,15 @@ static void percpu_channel_deq(void *arg) static void vmbus_release_relid(u32 relid) { struct vmbus_channel_relid_released msg; + int ret; memset(&msg, 0, sizeof(struct vmbus_channel_relid_released)); msg.child_relid = relid; msg.header.msgtype = CHANNELMSG_RELID_RELEASED; - vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released), - true); + ret = vmbus_post_msg(&msg, sizeof(struct vmbus_channel_relid_released), + true); + + trace_vmbus_release_relid(&msg, ret); } void hv_process_channel_removal(u32 relid) diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index f06284d64a8c..f0e437c3522f 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -258,6 +258,22 @@ TRACE_EVENT(vmbus_negotiate_version, ) ); +TRACE_EVENT(vmbus_release_relid, + TP_PROTO(const struct vmbus_channel_relid_released *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, ret %d", + __entry->child_relid, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.14.1