From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbdITRWg (ORCPT ); Wed, 20 Sep 2017 13:22:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39874 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751556AbdITRWd (ORCPT ); Wed, 20 Sep 2017 13:22:33 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 0356425B9A Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.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 11/16] hyper-v: trace vmbus_close_internal() Date: Wed, 20 Sep 2017 19:22:02 +0200 Message-Id: <20170920172207.12622-12-vkuznets@redhat.com> In-Reply-To: <20170920172207.12622-1-vkuznets@redhat.com> References: <20170920172207.12622-1-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 20 Sep 2017 17:22:33 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_CLOSECHANNEL sender. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/channel.c | 2 ++ drivers/hv/hv_trace.h | 15 +++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 7b114b390871..9fe4c0624dbd 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -591,6 +591,8 @@ static int vmbus_close_internal(struct vmbus_channel *channel) ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_close_channel), true); + trace_vmbus_close_internal(msg, ret); + if (ret) { pr_err("Close failed: close post msg return is %d\n", ret); /* diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index aefbbb56e686..a8c4bcd1fc8e 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -155,6 +155,21 @@ TRACE_EVENT(vmbus_open, ) ); +TRACE_EVENT(vmbus_close_internal, + TP_PROTO(const struct vmbus_channel_close_channel *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 -- 2.13.5