From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751843AbdITRWd (ORCPT ); Wed, 20 Sep 2017 13:22:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48015 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751726AbdITRW3 (ORCPT ); Wed, 20 Sep 2017 13:22:29 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 22D00C0272D2 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.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 09/16] hyper-v: trace vmbus_request_offers() Date: Wed, 20 Sep 2017 19:22:00 +0200 Message-Id: <20170920172207.12622-10-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 [10.5.110.31]); Wed, 20 Sep 2017 17:22:29 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_REQUESTOFFERS sender. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/channel_mgmt.c | 4 +++- drivers/hv/hv_trace.h | 8 ++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index a9a1fc1424c6..5c39388545f5 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1218,9 +1218,11 @@ int vmbus_request_offers(void) msg->msgtype = CHANNELMSG_REQUESTOFFERS; - ret = vmbus_post_msg(msg, sizeof(struct vmbus_channel_message_header), true); + + trace_vmbus_request_offers(ret); + if (ret != 0) { pr_err("Unable to request offers - %d\n", ret); diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 1478ec36967e..b8d8460afc07 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -120,6 +120,14 @@ TRACE_EVENT(vmbus_onversion_response, TP_printk("version_supported %d", __entry->ver) ); +TRACE_EVENT(vmbus_request_offers, + TP_PROTO(int ret), + TP_ARGS(ret), + TP_STRUCT__entry(__field(int, ret)), + TP_fast_assign(__entry->ret = ret), + TP_printk("sending ret %d", __entry->ret) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.13.5