Commit 69edbd5f authored by Vitaly Kuznetsov's avatar Vitaly Kuznetsov Committed by Greg Kroah-Hartman
Browse files

hyper-v: trace vmbus_establish_gpadl() 



Add tracepoint to CHANNELMSG_GPADL_HEADER/CHANNELMSG_GPADL_BODY sender.

Signed-off-by: default avatarVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 633b005d

drivers/hv/channel.c

+6 −0
Original line number Diff line number Diff line
@@ -435,6 +435,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, 


	ret = vmbus_post_msg(gpadlmsg, msginfo->msgsize -

			     sizeof(*msginfo), true);



	trace_vmbus_establish_gpadl_header(gpadlmsg, ret);



	if (ret != 0)

		goto cleanup;
@@ -450,6 +453,9 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, 
		ret = vmbus_post_msg(gpadl_body,

				     submsginfo->msgsize - sizeof(*submsginfo),

				     true);



		trace_vmbus_establish_gpadl_body(gpadl_body, ret);



		if (ret != 0)

			goto cleanup;

drivers/hv/hv_trace.h

+42 −0
Original line number Diff line number Diff line
@@ -172,6 +172,48 @@ TRACE_EVENT(vmbus_close_internal, 
		    __entry->ret)

	);



TRACE_EVENT(vmbus_establish_gpadl_header,

	    TP_PROTO(const struct vmbus_channel_gpadl_header *msg, int ret),

	    TP_ARGS(msg, ret),

	    TP_STRUCT__entry(

		    __field(u32, child_relid)

		    __field(u32, gpadl)

		    __field(u16, range_buflen)

		    __field(u16, rangecount)

		    __field(int, ret)

		    ),

	    TP_fast_assign(

		    __entry->child_relid = msg->child_relid;

		    __entry->gpadl = msg->gpadl;

		    __entry->range_buflen = msg->range_buflen;

		    __entry->rangecount = msg->rangecount;

		    __entry->ret = ret;

		    ),

	    TP_printk("sending child_relid 0x%x, gpadl 0x%x, range_buflen %d "

		      "rangecount %d, ret %d",

		      __entry->child_relid, __entry->gpadl,

		      __entry->range_buflen, __entry->rangecount, __entry->ret

		    )

	);



TRACE_EVENT(vmbus_establish_gpadl_body,

	    TP_PROTO(const struct vmbus_channel_gpadl_body *msg, int ret),

	    TP_ARGS(msg, ret),

	    TP_STRUCT__entry(

		    __field(u32, msgnumber)

		    __field(u32, gpadl)

		    __field(int, ret)

		    ),

	    TP_fast_assign(

		    __entry->msgnumber = msg->msgnumber;

		    __entry->gpadl = msg->gpadl;

		    __entry->ret = ret;

		    ),

	    TP_printk("sending msgnumber %d, gpadl 0x%x, ret %d",

		      __entry->msgnumber, __entry->gpadl, __entry->ret

		    )

	);



#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE