From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D2BDC43603 for ; Tue, 17 Dec 2019 13:43:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 09452206B7 for ; Tue, 17 Dec 2019 13:43:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728477AbfLQNnz (ORCPT ); Tue, 17 Dec 2019 08:43:55 -0500 Received: from foss.arm.com ([217.140.110.172]:37530 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726962AbfLQNny (ORCPT ); Tue, 17 Dec 2019 08:43:54 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F04331FB; Tue, 17 Dec 2019 05:43:53 -0800 (PST) Received: from e123648.arm.com (unknown [10.37.12.145]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 373813F719; Tue, 17 Dec 2019 05:43:52 -0800 (PST) From: lukasz.luba@arm.com To: linux-kernel@vger.kernel.org, sudeep.holla@arm.com, linux-arm-kernel@lists.infradead.org Cc: rostedt@goodmis.org, mingo@redhat.com, james.quinlan@broadcom.com, Lukasz Luba Subject: [PATCH v2 1/2] include: trace: Add SCMI header with trace events Date: Tue, 17 Dec 2019 13:43:44 +0000 Message-Id: <20191217134345.14004-1-lukasz.luba@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lukasz Luba 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 --- 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 cc0a4a8ae06a..0182315226fc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15966,6 +15966,7 @@ F: drivers/firmware/arm_scpi.c F: drivers/firmware/arm_scmi/ F: drivers/reset/reset-scmi.c 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 -- 2.17.1