From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751846AbdJEOyt (ORCPT ); Thu, 5 Oct 2017 10:54:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40908 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751423AbdJEOuy (ORCPT ); Thu, 5 Oct 2017 10:50:54 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 288727E39D 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 03/17] hyper-v: trace vmbus_onoffer() Date: Thu, 5 Oct 2017 16:50:30 +0200 Message-Id: <20171005145044.12181-4-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 14:50:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add tracepoint to CHANNELMSG_OFFERCHANNEL handler. Signed-off-by: Vitaly Kuznetsov --- drivers/hv/channel_mgmt.c | 2 ++ drivers/hv/hv_trace.h | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index ddeebba8971e..290ea25ce409 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -797,6 +797,8 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr) offer = (struct vmbus_channel_offer_channel *)hdr; + trace_vmbus_onoffer(offer); + /* Allocate the channel object and save this offer. */ newchannel = alloc_channel(); if (!newchannel) { diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index d432aba5df8a..488b873b563e 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -24,6 +24,43 @@ DEFINE_EVENT(vmbus_hdr_msg, vmbus_on_message, TP_ARGS(hdr) ); +TRACE_EVENT(vmbus_onoffer, + TP_PROTO(const struct vmbus_channel_offer_channel *offer), + TP_ARGS(offer), + TP_STRUCT__entry( + __field(u32, child_relid) + __field(u8, monitorid) + __field(u16, is_ddc_int) + __field(u32, connection_id) + __array(char, if_type, 16) + __array(char, if_instance, 16) + __field(u16, chn_flags) + __field(u16, mmio_mb) + __field(u16, sub_idx) + ), + TP_fast_assign(__entry->child_relid = offer->child_relid; + __entry->monitorid = offer->monitorid; + __entry->is_ddc_int = offer->is_dedicated_interrupt; + __entry->connection_id = offer->connection_id; + memcpy(__entry->if_type, + &offer->offer.if_type.b, 16); + memcpy(__entry->if_instance, + &offer->offer.if_instance.b, 16); + __entry->chn_flags = offer->offer.chn_flags; + __entry->mmio_mb = offer->offer.mmio_megabytes; + __entry->sub_idx = offer->offer.sub_channel_index; + ), + TP_printk("child_relid 0x%x, monitorid 0x%x, is_dedicated %d, " + "connection_id 0x%x, if_type %pUl, if_instance %pUl, " + "chn_flags 0x%x, mmio_megabytes %d, sub_channel_index %d", + __entry->child_relid, __entry->monitorid, + __entry->is_ddc_int, __entry->connection_id, + __entry->if_type, __entry->if_instance, + __entry->chn_flags, __entry->mmio_mb, + __entry->sub_idx + ) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.13.6