From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752106AbdJ2TXe (ORCPT ); Sun, 29 Oct 2017 15:23:34 -0400 Received: from a2nlsmtp01-03.prod.iad2.secureserver.net ([198.71.225.37]:52162 "EHLO a2nlsmtp01-03.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751880AbdJ2TWU (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 14/17] hyper-v: trace vmbus_negotiate_version() Date: Sun, 29 Oct 2017 12:21:13 -0700 Message-Id: <20171029192116.12466-14-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: MS4wfL2+tgyO69jQGvEDqxlrFjOE5w/oH0hP1oMckHEVY2tmFnvfxQdJgo7w+fA6ZlCMa9SRNGpOtJzdC0iedfdVi9PgVGYnwB5sPL97VFlBIAFXDPql1e+P WQLd8e4tJYVOhxLy7f5pVRvltoPHNn1ZfzTpQTaqBxO6a1YBk0GmpxaiBqWDnGg+25yIEUIgJsbGZd5+eIjbnR4Qwb4Cd5Ra4pF6MJ5IKzU1Q7Lax2s5nYgi fGC5iX2EU5Lao7URfpdzY66PaUlXGtLXLeiYqit0SBv2OO7LOoESjm6Tz1AUmSRVUOiUeSHUiKMLZ9AOkqmDD6U2XkqkAnztuaM5Xj5mLABW1H1SwfjgXTqM ONxT4y3BhjJZ8Wgz+b1+Wm4MOf1fss3UYrYoUJf8uP2MOV/j/T6Tilo8L70ybWgvjPLyeTCXN7akQZonIAj4DOLURgJd70P80pg8qtnjddPbSLUNw88UOGUc 0qHPBvfKCjt97EPFVquLyMc8XZJxt49esE/QSCGHI54BxGY2EYmdsXQTdWqj0TVazcymkw7bK0GLq2ox Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Add tracepoint to CHANNELMSG_INITIATE_CONTACT sender. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/connection.c | 3 +++ drivers/hv/hv_trace.h | 26 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index b06a6b796819..05f413c4fe3b 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -117,6 +117,9 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_initiate_contact), true); + + trace_vmbus_negotiate_version(msg, ret); + if (ret != 0) { spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&msginfo->msglistentry); diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index cd33a52ef27f..f06284d64a8c 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -232,6 +232,32 @@ TRACE_EVENT(vmbus_teardown_gpadl, ) ); +TRACE_EVENT(vmbus_negotiate_version, + TP_PROTO(const struct vmbus_channel_initiate_contact *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, ver) + __field(u32, target_vcpu) + __field(int, ret) + __field(u64, int_page) + __field(u64, mon_page1) + __field(u64, mon_page2) + ), + TP_fast_assign( + __entry->ver = msg->vmbus_version_requested; + __entry->target_vcpu = msg->target_vcpu; + __entry->int_page = msg->interrupt_page; + __entry->mon_page1 = msg->monitor_page1; + __entry->mon_page2 = msg->monitor_page2; + __entry->ret = ret; + ), + TP_printk("sending vmbus_version_requested %d, target_vcpu 0x%x, " + "pages %llx:%llx:%llx, ret %d", + __entry->ver, __entry->target_vcpu, __entry->int_page, + __entry->mon_page1, __entry->mon_page2, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.14.1