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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: devel@linuxdriverproject.org
Cc: linux-kernel@vger.kernel.org,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Dexuan Cui <decui@microsoft.com>
Subject: [PATCH 04/16] hyper-v: trace vmbus_onoffer_rescind()
Date: Wed, 20 Sep 2017 19:21:55 +0200	[thread overview]
Message-ID: <20170920172207.12622-5-vkuznets@redhat.com> (raw)
In-Reply-To: <20170920172207.12622-1-vkuznets@redhat.com>

Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER handler.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
 drivers/hv/channel_mgmt.c | 2 ++
 drivers/hv/hv_trace.h     | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 290ea25ce409..563653a02ab6 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -841,6 +841,8 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
 
 	rescind = (struct vmbus_channel_rescind_offer *)hdr;
 
+	trace_vmbus_onoffer_rescind(rescind);
+
 	/*
 	 * The offer msg and the corresponding rescind msg
 	 * from the host are guranteed to be ordered -
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index 8376fdf9d054..d2a5a97dcf2a 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -59,6 +59,14 @@ TRACE_EVENT(vmbus_onoffer,
 		    )
 	);
 
+TRACE_EVENT(vmbus_onoffer_rescind,
+	    TP_PROTO(const struct vmbus_channel_rescind_offer *offer),
+	    TP_ARGS(offer),
+	    TP_STRUCT__entry(__field(u32, child_relid)),
+	    TP_fast_assign(__entry->child_relid = offer->child_relid),
+	    TP_printk("child_relid 0x%x", __entry->child_relid)
+	);
+
 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #undef TRACE_INCLUDE_FILE
-- 
2.13.5

  parent reply	other threads:[~2017-09-20 17:25 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20 17:21 [PATCH 00/16] Hyper-V: add tracing to VMBus module and trace all messages Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 01/16] hyper-v: trace vmbus_on_msg_dpc() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 02/16] hyper-v: trace vmbus_on_message() Vitaly Kuznetsov
2017-09-20 17:55   ` Steven Rostedt
2017-09-21  8:17     ` Vitaly Kuznetsov
2017-10-03 16:54       ` Stephen Hemminger
2017-10-04 14:09         ` Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 03/16] hyper-v: trace vmbus_onoffer() Vitaly Kuznetsov
2017-09-20 17:21 ` Vitaly Kuznetsov [this message]
2017-09-20 17:21 ` [PATCH 05/16] hyper-v: trace vmbus_onopen_result() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 06/16] hyper-v: trace vmbus_ongpadl_created() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 07/16] hyper-v: trace vmbus_ongpadl_torndown() Vitaly Kuznetsov
2017-09-20 17:21 ` [PATCH 08/16] hyper-v: trace vmbus_onversion_response() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 09/16] hyper-v: trace vmbus_request_offers() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 10/16] hyper-v: trace vmbus_open() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 11/16] hyper-v: trace vmbus_close_internal() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 12/16] hyper-v: trace vmbus_establish_gpadl() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 13/16] hyper-v: trace vmbus_teardown_gpadl() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 14/16] hyper-v: trace vmbus_negotiate_version() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 15/16] hyper-v: trace vmbus_release_relid() Vitaly Kuznetsov
2017-09-20 17:22 ` [PATCH 16/16] hyper-v: trace vmbus_send_tl_connect_request() Vitaly Kuznetsov

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