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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BD4F2C43602 for ; Fri, 3 Jul 2026 12:37:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1skMGyWcIwP6d/wajOmln3d7RvV3oP+0pDqfsh/2McQ=; b=DyAMgNDEZRP9L0MvD580mcrrR3 kBi1XmWcb2QWsfBp6TjPJbEp4HZKA1GtSpwNqZeeRYZ0RCZvSnD7G3g9Jk6jsswSlpxPz6LGIq95l Uf9rO64RuSyL45yI77G5XCYVsGdIn7hpa/A2IBmLMnEnOEoXQM/rPL9YfHcunJ0on41T+6tfgaVzi 2C1VDaCKVw3mTshmMrW0MkCu+3E6/p7ON8mxwP5AB6W9mMhtz5ChFTlSYuWoe5ErR5NDR7FtBNKI+ KnTTWn8MNxzP6COAfBDe8upGpQ5Y8B9Y+oXRQpChlHSaa3c9gPfm3/wfRrMk2mY5DeKchAlpzr9Of LoXwdbcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfd8p-00000006xHu-3Yc4; Fri, 03 Jul 2026 12:37:11 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wfd8o-00000006xHW-1olH for linux-arm-kernel@bombadil.infradead.org; Fri, 03 Jul 2026 12:37:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=1skMGyWcIwP6d/wajOmln3d7RvV3oP+0pDqfsh/2McQ=; b=A8CMRzIj+TUwIW3P8IcjidoNyo AtudEhqvGfUBienlJFCMqqy8pBRNuuwygqMBSoNob8xWhxkzcs3DL/cDALBCgp4Ly47evqZx7uxrQ 0lwq5BbIZTHVlc6yZBPpL65Y6BQ0JUyRvbQmCCudt7Qy9j78rPWIEG/DAOiaFTRiUzzw0zOv9zMfF xcmamn6pIZSQkZVAxkbjTPKXQ/30Jrnn4rKeiYeAhpO0/OwrdsUh1CTfELIqFX6HiY52uIr3hCICL 3JtnKkUkVCM9ZCEyzr5gC5TJDrk+CHFxE3s/P19j5BBHH03/qB8NokBWkALACu8bPvJIzlU/HnR5s mNK2oBfA==; Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.99.2 #2 (Red Hat Linux)) id 1wfd8l-00000004ot2-1huh for linux-arm-kernel@lists.infradead.org; Fri, 03 Jul 2026 12:37:09 +0000 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 2B435464D; Fri, 3 Jul 2026 05:36:48 -0700 (PDT) Received: from pluto.fritz.box (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0BF5B3F905; Fri, 3 Jul 2026 05:36:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783082212; bh=CwJGWGgRXKnupukDLWD6QwCAt4HaM/Pbt3pAL9OqFfU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pageB8FmTnNaCaGnvQhqJPW3qlxO8x9iRLnCK7cALK1gPy9K262WacBo3LmiFJVBq 34b3rvvDdhgXJf5ASXR0T2YWIE9r26Kiv35ayI45/869esyFpdb+j35UUXZlIomN08 3gK5oz2AvZx6tVY/uoy9FnVdPl60CXpob19tKGJk= From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-doc@vger.kernel.org Cc: sudeep.holla@kernel.org, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, d-gole@ti.com, jic23@kernel.org, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, brauner@kernel.org, david@kernel.org, souvik.chakravarty@arm.com, leitao@kernel.org, kas@kernel.org, puranjay@kernel.org, usama.arif@linux.dev, kernel-team@meta.com, Cristian Marussi Subject: [PATCH v5 06/23] include: trace: Add Telemetry trace events Date: Fri, 3 Jul 2026 13:35:44 +0100 Message-ID: <20260703123601.381275-7-cristian.marussi@arm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260703123601.381275-1-cristian.marussi@arm.com> References: <20260703123601.381275-1-cristian.marussi@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260703_133707_778812_402C3191 X-CRM114-Status: UNSURE ( 9.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add custom traces to report Telemetry failed accesses and to report when DE values are updated internally after a notification is processed. Signed-off-by: Cristian Marussi --- include/trace/events/scmi.h | 48 ++++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h index 703b7bb68e44..b70b26e467b8 100644 --- a/include/trace/events/scmi.h +++ b/include/trace/events/scmi.h @@ -7,7 +7,8 @@ #include -#define TRACE_SCMI_MAX_TAG_LEN 6 +#define TRACE_SCMI_MAX_TAG_LEN 6 +#define TRACE_SCMI_TLM_MAX_TAG_LEN 16 TRACE_EVENT(scmi_fc_call, TP_PROTO(u8 protocol_id, u8 msg_id, u32 res_id, u32 val1, u32 val2), @@ -180,6 +181,51 @@ TRACE_EVENT(scmi_msg_dump, __entry->tag, __entry->msg_id, __entry->seq, __entry->status, __print_hex_str(__get_dynamic_array(cmd), __entry->len)) ); + +TRACE_EVENT(scmi_tlm_access, + TP_PROTO(u64 de_id, unsigned char *tag, u64 startm, u64 endm), + TP_ARGS(de_id, tag, startm, endm), + + TP_STRUCT__entry( + __field(u64, de_id) + __array(char, tag, TRACE_SCMI_TLM_MAX_TAG_LEN) + __field(u64, startm) + __field(u64, endm) + ), + + TP_fast_assign( + __entry->de_id = de_id; + strscpy(__entry->tag, tag, TRACE_SCMI_TLM_MAX_TAG_LEN); + __entry->startm = startm; + __entry->endm = endm; + ), + + TP_printk("de_id=0x%llX [%s] - startm=%016llX endm=%016llX", + __entry->de_id, __entry->tag, __entry->startm, __entry->endm) +); + +TRACE_EVENT(scmi_tlm_collect, + TP_PROTO(u64 ts, u64 de_id, u64 value, unsigned char *tag), + TP_ARGS(ts, de_id, value, tag), + + TP_STRUCT__entry( + __field(u64, ts) + __field(u64, de_id) + __field(u64, value) + __array(char, tag, TRACE_SCMI_TLM_MAX_TAG_LEN) + ), + + TP_fast_assign( + __entry->ts = ts; + __entry->de_id = de_id; + __entry->value = value; + strscpy(__entry->tag, tag, TRACE_SCMI_TLM_MAX_TAG_LEN); + ), + + TP_printk("ts=%llu de_id=0x%04llX value=%016llu [%s]", + __entry->ts, __entry->de_id, __entry->value, __entry->tag) +); + #endif /* _TRACE_SCMI_H */ /* This part must be outside protection */ -- 2.54.0