Commit 5175167c authored Oct 29, 2017 by Vitaly Kuznetsov Committed by Greg Kroah-Hartman Nov 04, 2017

hyper-v: trace vmbus_onoffer_rescind()



Add tracepoint to CHANNELMSG_RESCIND_CHANNELOFFER handler.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 03b81e66

drivers/hv/channel_mgmt.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -856,6 +856,8 @@ 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 -

drivers/hv/hv_trace.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,14 @@ 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