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Subject[PATCH v4 5/7] include: trace: Add SCMI FastChannel tracing
Date
All the currently defined SCMI events are meant to trace only regular SCMI
transfers based on SCMI messages exchanges; SCMI transactions based on
FastChannels, where used, are completely invisible from the tracing point
of view.

Add support to trace FastChannel transactions; while doing that avoid
exposing full shared memory location addresses.

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
---
include/trace/events/scmi.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h
index cee4b2b64ae4..fa8879568a37 100644
--- a/include/trace/events/scmi.h
+++ b/include/trace/events/scmi.h
@@ -7,6 +7,31 @@

#include <linux/tracepoint.h>

+TRACE_EVENT(scmi_fc_call,
+ TP_PROTO(u8 protocol_id, u8 msg_id, u32 res_id, u32 val1, u32 val2),
+ TP_ARGS(protocol_id, msg_id, res_id, val1, val2),
+
+ TP_STRUCT__entry(
+ __field(u8, protocol_id)
+ __field(u8, msg_id)
+ __field(u32, res_id)
+ __field(u32, val1)
+ __field(u32, val2)
+ ),
+
+ TP_fast_assign(
+ __entry->protocol_id = protocol_id;
+ __entry->msg_id = msg_id;
+ __entry->res_id = res_id;
+ __entry->val1 = val1;
+ __entry->val2 = val2;
+ ),
+
+ TP_printk("[0x%02X]:[0x%02X]:[%08X]:%u:%u",
+ __entry->protocol_id, __entry->msg_id,
+ __entry->res_id, __entry->val1, __entry->val2)
+);
+
TRACE_EVENT(scmi_xfer_begin,
TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq,
bool poll),
--
2.32.0
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