From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751923AbdITRY1 (ORCPT ); Wed, 20 Sep 2017 13:24:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59980 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751585AbdITRWb (ORCPT ); Wed, 20 Sep 2017 13:22:31 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 12D998553C Authentication-Results: ext-mx04.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx04.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 10/16] hyper-v: trace vmbus_open() Date: Wed, 20 Sep 2017 19:22:01 +0200 Message-Id: <20170920172207.12622-11-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 [10.5.110.28]); Wed, 20 Sep 2017 17:22:31 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_OPENCHANNEL sender. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/channel.c | 2 ++ drivers/hv/hv_trace.h | 27 +++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index 676a130f0575..7b114b390871 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -185,6 +185,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size, ret = vmbus_post_msg(open_msg, sizeof(struct vmbus_channel_open_channel), true); + trace_vmbus_open(open_msg, ret); + if (ret != 0) { err = ret; goto error_clean_msglist; diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index b8d8460afc07..aefbbb56e686 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -128,6 +128,33 @@ TRACE_EVENT(vmbus_request_offers, TP_printk("sending ret %d", __entry->ret) ); +TRACE_EVENT(vmbus_open, + TP_PROTO(const struct vmbus_channel_open_channel *msg, int ret), + TP_ARGS(msg, ret), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u32, openid) + __field(u32, gpadlhandle) + __field(u32, target_vp) + __field(u32, offset) + __field(int, ret) + ), + TP_fast_assign( + __entry->child_relid = msg->child_relid; + __entry->openid = msg->openid; + __entry->gpadlhandle = msg->ringbuffer_gpadlhandle; + __entry->target_vp = msg->target_vp; + __entry->offset = msg->downstream_ringbuffer_pageoffset; + __entry->ret = ret; + ), + TP_printk("sending child_relid 0x%x, openid %d, " + "gpadlhandle 0x%x, target_vp 0x%x, offset 0x%x, ret %d", + __entry->child_relid, __entry->openid, + __entry->gpadlhandle, __entry->target_vp, + __entry->offset, __entry->ret + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.13.5