hyper-v: trace vmbus_open() (9202d771) · Commits · 戴 / test

drivers/hv/channel.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
		ret = vmbus_post_msg(open_msg,
		sizeof(struct vmbus_channel_open_channel), true);

		trace_vmbus_open(open_msg, ret);

		if (ret != 0) {
		err = ret;
		goto error_clean_msglist;

+27 −0

Original line number	Diff line number	Diff line
		@@ -130,6 +130,33 @@ TRACE_EVENT(vmbus_request_offers,
		TP_printk("sending ret %d", __entry->ret)
		);

		TRACE_EVENT(vmbus_open,
		TP_PROTO(const struct vmbus_channel_open_channel *msg, int ret),
		TP_ARGS(msg, ret),
		TP_STRUCT__entry(
		__field(u32, child_relid)
		__field(u32, openid)
		__field(u32, gpadlhandle)
		__field(u32, target_vp)
		__field(u32, offset)
		__field(int, ret)
		),
		TP_fast_assign(
		__entry->child_relid = msg->child_relid;
		__entry->openid = msg->openid;
		__entry->gpadlhandle = msg->ringbuffer_gpadlhandle;
		__entry->target_vp = msg->target_vp;
		__entry->offset = msg->downstream_ringbuffer_pageoffset;
		__entry->ret = ret;
		),
		TP_printk("sending child_relid 0x%x, openid %d, "
		"gpadlhandle 0x%x, target_vp 0x%x, offset 0x%x, ret %d",
		__entry->child_relid, __entry->openid,
		__entry->gpadlhandle, __entry->target_vp,
		__entry->offset, __entry->ret
		)
		);

		#undef TRACE_INCLUDE_PATH
		#define TRACE_INCLUDE_PATH .
		#undef TRACE_INCLUDE_FILE