From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752501AbdI2N0g (ORCPT ); Fri, 29 Sep 2017 09:26:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51792 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752390AbdI2N0d (ORCPT ); Fri, 29 Sep 2017 09:26:33 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com ACF054E4CA Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=vkuznets@redhat.com From: Vitaly Kuznetsov To: devel@linuxdriverproject.org Cc: linux-kernel@vger.kernel.org, "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Steven Rostedt , Dexuan Cui Subject: [PATCH v2 14/16] hyper-v: trace vmbus_negotiate_version() Date: Fri, 29 Sep 2017 15:26:00 +0200 Message-Id: <20170929132602.24487-15-vkuznets@redhat.com> In-Reply-To: <20170929132602.24487-1-vkuznets@redhat.com> References: <20170929132602.24487-1-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 29 Sep 2017 13:26:33 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_INITIATE_CONTACT sender. Signed-off-by: Vitaly Kuznetsov --- 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 f41901f80b64..5e36f86d0b0c 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 6c585a012a40..570482014740 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 -- 2.13.5