hyper-v: trace vmbus_negotiate_version() (034ebf55) · Commits · 戴 / test

drivers/hv/connection.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -117,6 +117,9 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo,
		ret = vmbus_post_msg(msg,
		sizeof(struct vmbus_channel_initiate_contact),
		true);

		trace_vmbus_negotiate_version(msg, ret);

		if (ret != 0) {
		spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
		list_del(&msginfo->msglistentry);

+26 −0

Original line number	Diff line number	Diff line
		@@ -232,6 +232,32 @@ TRACE_EVENT(vmbus_teardown_gpadl,
		)
		);

		TRACE_EVENT(vmbus_negotiate_version,
		TP_PROTO(const struct vmbus_channel_initiate_contact *msg, int ret),
		TP_ARGS(msg, ret),
		TP_STRUCT__entry(
		__field(u32, ver)
		__field(u32, target_vcpu)
		__field(int, ret)
		__field(u64, int_page)
		__field(u64, mon_page1)
		__field(u64, mon_page2)
		),
		TP_fast_assign(
		__entry->ver = msg->vmbus_version_requested;
		__entry->target_vcpu = msg->target_vcpu;
		__entry->int_page = msg->interrupt_page;
		__entry->mon_page1 = msg->monitor_page1;
		__entry->mon_page2 = msg->monitor_page2;
		__entry->ret = ret;
		),
		TP_printk("sending vmbus_version_requested %d, target_vcpu 0x%x, "
		"pages %llx:%llx:%llx, ret %d",
		__entry->ver, __entry->target_vcpu, __entry->int_page,
		__entry->mon_page1, __entry->mon_page2, __entry->ret
		)
		);

		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#undef TRACE_INCLUDE_FILE