Commit 8b276b59 authored by Cristian Marussi's avatar Cristian Marussi Committed by Sudeep Holla
Browse files

include: trace: Add new scmi_xfer_response_wait event 

Having a new step to trace SCMI stack while it waits for synchronous
responses is useful to analyze system performance when changing waiting
mode between polling and interrupt completion.

Link: https://lore.kernel.org/r/20211129191156.29322-5-cristian.marussi@arm.com


Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarCristian Marussi <cristian.marussi@arm.com>
Signed-off-by: default avatarSudeep Holla <sudeep.holla@arm.com>
parent 5a731aeb

include/trace/events/scmi.h

+28 −0
Original line number Diff line number Diff line
@@ -33,6 +33,34 @@ TRACE_EVENT(scmi_xfer_begin, 
		__entry->seq, __entry->poll)

);



TRACE_EVENT(scmi_xfer_response_wait,

	TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq,

		 u32 timeout, bool poll),

	TP_ARGS(transfer_id, msg_id, protocol_id, seq, timeout, poll),



	TP_STRUCT__entry(

		__field(int, transfer_id)

		__field(u8, msg_id)

		__field(u8, protocol_id)

		__field(u16, seq)

		__field(u32, timeout)

		__field(bool, poll)

	),



	TP_fast_assign(

		__entry->transfer_id = transfer_id;

		__entry->msg_id = msg_id;

		__entry->protocol_id = protocol_id;

		__entry->seq = seq;

		__entry->timeout = timeout;

		__entry->poll = poll;

	),



	TP_printk("transfer_id=%d msg_id=%u protocol_id=%u seq=%u tmo_ms=%u poll=%u",

		__entry->transfer_id, __entry->msg_id, __entry->protocol_id,

		__entry->seq, __entry->timeout, __entry->poll)

);



TRACE_EVENT(scmi_xfer_end,

	TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq,

		 int status),