From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751970AbdJ2TWY (ORCPT ); Sun, 29 Oct 2017 15:22:24 -0400 Received: from a2nlsmtp01-05.prod.iad2.secureserver.net ([198.71.225.49]:54022 "EHLO a2nlsmtp01-05.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751790AbdJ2TWT (ORCPT ); Sun, 29 Oct 2017 15:22:19 -0400 x-originating-ip: 107.180.71.197 From: kys@exchange.microsoft.com To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, marcelo.cerri@canonical.com, sthemmin@microsoft.com Cc: "K . Y . Srinivasan" Subject: [PATCH 03/17] hyper-v: trace vmbus_onoffer() Date: Sun, 29 Oct 2017 12:21:02 -0700 Message-Id: <20171029192116.12466-3-kys@exchange.microsoft.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171029192116.12466-1-kys@exchange.microsoft.com> References: <20171029192030.12356-1-kys@exchange.microsoft.com> <20171029192116.12466-1-kys@exchange.microsoft.com> Reply-To: kys@microsoft.com X-CMAE-Envelope: MS4wfGb0w5AeforDrcIpWuIYE6L7fzzCxb0cuZknrOddfOWhvpk5GiIDVqjDZGbapCdt+IHSVYENpLMdpRGekfs/SECKIQrqm4B+ViIk072lvo/fFrNSSWlT MBMwKTPT6RhuN8ExGgaBh2IYwP3wBDkSr6SGHOZ25JILrlgz1j2XMpRzBwtqTUPU89T5kZRo0eYSl/pmh63Hoi4XN/7TD7MoQOvFVkZmvcynht3U/oTWAK3P T06N0kUs1nI/LXMVq8dFhLXHf2HFCuwX5wbd622XkcVaNz04WRc0CX4zDwScBz3IpY6+Gi/Uq6KXqrMM/PqZu78DSPXewR7D6EUKPXeGag5yjOHGBc6cErUY f9G3Vq6jYFuo49dF8pqckjERg7OKxaBKYZHMPGYZ1mPclL9u+JVXLM9AoqHwGSPKp+Wci1J7IynC/KG+Maut012UnytVHsaMKO0WTsYKVXcdMHkaJgguoeHq jX0IQOPBrHdr1iZfvMzOc9waEP7TAsG59flLU0M2dlzADwOAUN/f/c9FrfFc20oM4tSdkuVOS089ibAK Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Add tracepoint to CHANNELMSG_OFFERCHANNEL handler. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- 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 71d4d68488d4..7c11e17ad295 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -813,6 +813,8 @@ 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 -- 2.14.1