hyper-v: trace vmbus_send_tl_connect_request() (98f31a00) · Commits · 戴 / test

drivers/hv/channel.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -236,13 +236,18 @@ int vmbus_send_tl_connect_request(const uuid_le *shv_guest_servie_id,
		const uuid_le *shv_host_servie_id)
		{
		struct vmbus_channel_tl_connect_request conn_msg;
		int ret;

		memset(&conn_msg, 0, sizeof(conn_msg));
		conn_msg.header.msgtype = CHANNELMSG_TL_CONNECT_REQUEST;
		conn_msg.guest_endpoint_id = *shv_guest_servie_id;
		conn_msg.host_service_id = *shv_host_servie_id;

		return vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
		ret = vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);

		trace_vmbus_send_tl_connect_request(&conn_msg, ret);

		return ret;
		}
		EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request);

+20 −0

Original line number	Diff line number	Diff line
		@@ -274,6 +274,26 @@ TRACE_EVENT(vmbus_release_relid,
		)
		);

		TRACE_EVENT(vmbus_send_tl_connect_request,
		TP_PROTO(const struct vmbus_channel_tl_connect_request *msg,
		int ret),
		TP_ARGS(msg, ret),
		TP_STRUCT__entry(
		__array(char, guest_id, 16)
		__array(char, host_id, 16)
		__field(int, ret)
		),
		TP_fast_assign(
		memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16);
		memcpy(__entry->host_id, &msg->host_service_id.b, 16);
		__entry->ret = ret;
		),
		TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, "
		"ret %d",
		__entry->guest_id, __entry->host_id, __entry->ret
		)
		);

		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#undef TRACE_INCLUDE_FILE