From 2bd0467074f078372ac2c979c56dc94228c90fbf Mon Sep 17 00:00:00 2001 From: Cristian Marussi Date: Thu, 30 Jun 2022 18:31:34 +0100 Subject: include: trace: Add SCMI full message tracing 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 Signed-off-by: Sudeep Holla --- include/trace/events/scmi.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h index cee4b2b64ae4..9108544beca9 100644 --- a/include/trace/events/scmi.h +++ b/include/trace/events/scmi.h @@ -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 */ -- cgit v1.2.3