From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751691AbdJEOvG (ORCPT ); Thu, 5 Oct 2017 10:51:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41550 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbdJEOvF (ORCPT ); Thu, 5 Oct 2017 10:51:05 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com C904B7EAAF 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 v3 08/17] hyper-v: trace vmbus_onversion_response() Date: Thu, 5 Oct 2017 16:50:35 +0200 Message-Id: <20171005145044.12181-9-vkuznets@redhat.com> In-Reply-To: <20171005145044.12181-1-vkuznets@redhat.com> References: <20171005145044.12181-1-vkuznets@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 05 Oct 2017 14:51:05 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_VERSION_RESPONSE handler. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/channel_mgmt.c | 3 +++ drivers/hv/hv_trace.h | 11 +++++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 1ff2cc064850..a9a1fc1424c6 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1121,6 +1121,9 @@ static void vmbus_onversion_response( unsigned long flags; version_response = (struct vmbus_channel_version_response *)hdr; + + trace_vmbus_onversion_response(version_response); + spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_for_each_entry(msginfo, &vmbus_connection.chn_msg_list, diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 84c08cdf7235..2a046547107f 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -111,6 +111,17 @@ TRACE_EVENT(vmbus_ongpadl_torndown, TP_printk("gpadl 0x%x", __entry->gpadl) ); +TRACE_EVENT(vmbus_onversion_response, + TP_PROTO(const struct vmbus_channel_version_response *response), + TP_ARGS(response), + TP_STRUCT__entry( + __field(u8, ver) + ), + TP_fast_assign(__entry->ver = response->version_supported; + ), + TP_printk("version_supported %d", __entry->ver) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.13.6