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include: trace: Add SCMI full message tracing

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Add a distinct trace event to dump full SCMI message headers and payloads.

Link: https://lore.kernel.org/r/20220630173135.2086631-2-cristian.marussi@arm.com
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Cristian Marussi
2022-06-30 18:31:34 +01:00
committed by Sudeep Holla
parent 689640efc0
commit 2bd0467074
1 changed files with 31 additions and 0 deletions
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31
include/trace/events/scmi.h
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@@ -112,6 +112,37 @@ TRACE_EVENT(scmi_rx_done,
__entry->transfer_id, __entry->msg_id, __entry->protocol_id,
__entry->seq, __entry->msg_type)
);
TRACE_EVENT(scmi_msg_dump,
TP_PROTO(u8 protocol_id, u8 msg_id, unsigned char *tag, u16 seq,
int status, void *buf, size_t len),
TP_ARGS(protocol_id, msg_id, tag, seq, status, buf, len),
TP_STRUCT__entry(
__field(u8, protocol_id)
__field(u8, msg_id)
__array(char, tag, 5)
__field(u16, seq)
__field(int, status)
__field(size_t, len)
__dynamic_array(unsigned char, cmd, len)
),
TP_fast_assign(
__entry->protocol_id = protocol_id;
__entry->msg_id = msg_id;
strscpy(__entry->tag, tag, 5);
__entry->seq = seq;
__entry->status = status;
__entry->len = len;
memcpy(__get_dynamic_array(cmd), buf, __entry->len);
),
TP_printk("pt=%02X t=%s msg_id=%02X seq=%04X s=%d pyld=%s",
__entry->protocol_id, __entry->tag, __entry->msg_id,
__entry->seq, __entry->status,
__print_hex_str(__get_dynamic_array(cmd), __entry->len))
);
#endif /* _TRACE_SCMI_H */
/* This part must be outside protection */