From c373c1f0ae9f29c9d79385fa5551d7aa63b057ab Mon Sep 17 00:00:00 2001 From: Lukasz Luba Date: Tue, 17 Dec 2019 13:43:44 +0000 Subject: [PATCH] UPSTREAM: include: trace: Add SCMI header with trace events Adding trace events would help to measure the speed of the communication channel. It can be also potentially used helpful during investigation of some issues platforms which use different transport layer. Update also MAINTAINERS file with information that the new trace events are maintained. Suggested-by: Jim Quinlan Signed-off-by: Lukasz Luba Signed-off-by: Sudeep Holla (cherry picked from commit 257d0e20ec4f94e33ac463b918fb82bb1b2dcbe0) Change-Id: I4349c71a5c2efdb2be06fef4e82750facc81d55a Signed-off-by: XiaoDong Huang --- MAINTAINERS | 1 + include/trace/events/scmi.h | 90 +++++++++++++++++++++++++++++++++++++ 2 files changed, 91 insertions(+) create mode 100644 include/trace/events/scmi.h diff --git a/MAINTAINERS b/MAINTAINERS index 02da10f85544..59d3d8e86ccb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14153,6 +14153,7 @@ F: drivers/cpufreq/sc[mp]i-cpufreq.c F: drivers/firmware/arm_scpi.c F: drivers/firmware/arm_scmi/ F: include/linux/sc[mp]i_protocol.h +F: include/trace/events/scmi.h SYSTEM RESET/SHUTDOWN DRIVERS M: Sebastian Reichel diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h new file mode 100644 index 000000000000..f076c430d243 --- /dev/null +++ b/include/trace/events/scmi.h @@ -0,0 +1,90 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM scmi + +#if !defined(_TRACE_SCMI_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_SCMI_H + +#include + +TRACE_EVENT(scmi_xfer_begin, + TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq, + bool poll), + TP_ARGS(transfer_id, msg_id, protocol_id, seq, poll), + + TP_STRUCT__entry( + __field(int, transfer_id) + __field(u8, msg_id) + __field(u8, protocol_id) + __field(u16, seq) + __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->poll = poll; + ), + + TP_printk("transfer_id=%d msg_id=%u protocol_id=%u seq=%u poll=%u", + __entry->transfer_id, __entry->msg_id, __entry->protocol_id, + __entry->seq, __entry->poll) +); + +TRACE_EVENT(scmi_xfer_end, + TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq, + u32 status), + TP_ARGS(transfer_id, msg_id, protocol_id, seq, status), + + TP_STRUCT__entry( + __field(int, transfer_id) + __field(u8, msg_id) + __field(u8, protocol_id) + __field(u16, seq) + __field(u32, status) + ), + + TP_fast_assign( + __entry->transfer_id = transfer_id; + __entry->msg_id = msg_id; + __entry->protocol_id = protocol_id; + __entry->seq = seq; + __entry->status = status; + ), + + TP_printk("transfer_id=%d msg_id=%u protocol_id=%u seq=%u status=%u", + __entry->transfer_id, __entry->msg_id, __entry->protocol_id, + __entry->seq, __entry->status) +); + +TRACE_EVENT(scmi_rx_done, + TP_PROTO(int transfer_id, u8 msg_id, u8 protocol_id, u16 seq, + u8 msg_type), + TP_ARGS(transfer_id, msg_id, protocol_id, seq, msg_type), + + TP_STRUCT__entry( + __field(int, transfer_id) + __field(u8, msg_id) + __field(u8, protocol_id) + __field(u16, seq) + __field(u8, msg_type) + ), + + TP_fast_assign( + __entry->transfer_id = transfer_id; + __entry->msg_id = msg_id; + __entry->protocol_id = protocol_id; + __entry->seq = seq; + __entry->msg_type = msg_type; + ), + + TP_printk("transfer_id=%d msg_id=%u protocol_id=%u seq=%u msg_type=%u", + __entry->transfer_id, __entry->msg_id, __entry->protocol_id, + __entry->seq, __entry->msg_type) +); +#endif /* _TRACE_SCMI_H */ + +/* This part must be outside protection */ +#include