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 2097FC982D0 for ; Sun, 20 Sep 2026 09:20:46 +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=ydzbEGBaOqYaMMb5eZMnZpk3qvMmkuydAkP6AOcbx1Y=; b=46wj/Q4YKAJIuJnI83/5cSGuuv GvdjtQ2GjExMAIvCsE0D5A+6QlWaZc4caTB8kLxT2aFLUrSaJTmrUYrttFK0bVPsZuqFgUIbmEim4 0vJVLzRz9hqXkb9u/J7rWSnHkAY5e8AkyT3sPBv7KVxw3lUIvyIQgG1VTrf9RgAAJY7qlliE7xpxf /ckLnBfbcTKgNO6t3dRaCSMrTaXXIBcJLlojoIkPMUq/7URXDnCCLaJMlAAAWp5DCmCjGB9QnSCSa UeinH9gqHMIF2rAwL+4ZGjQDcfqMU2PBZK4Lm8o3F9S1jDsxwuXHF5X4jQ6GQFLDDJxqhZ3Tobc7w LLsowrEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x8Dix-0000000H9IJ-3wTe; Sun, 20 Sep 2026 09:20:39 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x8Diq-0000000H9FR-3Z98 for linux-arm-kernel@lists.infradead.org; Sun, 20 Sep 2026 09:20:34 +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 EAB3D175A; Sun, 20 Sep 2026 02:20:27 -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 8607C3F59E; Sun, 20 Sep 2026 02:20:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789896031; bh=5P9ZuvQ/38HQaH48tpNZsAjPLPf474W8M/GUNsIkNhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LOoksWJSjtMeePyMiXJfH+9OLN2gtTHLTPlgC/C2JRt8NQlYae9Tn+DHd45zWfCnf A8vnrnjmMctFuhsd/6bbVGkjYtmRtKtgdgKz+zMy7atW/8B+6JOEOS3cia/2P/lBLI Xj7jnhlnAEcctgcTvoI4LGYDm5sxRyd34Nft0CxY= 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, 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 v12 05/25] include: trace: Add Telemetry trace events Date: Sun, 20 Sep 2026 10:19:08 +0100 Message-ID: <20260920091928.2014972-6-cristian.marussi@arm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260920091928.2014972-1-cristian.marussi@arm.com> References: <20260920091928.2014972-1-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-20260920_022033_032365_B3AA8E82 X-CRM114-Status: UNSURE ( 8.54 ) 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 --- v7 --> v8 - use proper FTRACE helpers for variable strings --- include/trace/events/scmi.h | 45 +++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h index 703b7bb68e44..002d2bc9ae15 100644 --- a/include/trace/events/scmi.h +++ b/include/trace/events/scmi.h @@ -180,6 +180,51 @@ 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) + __string(tag, tag) + __field(u64, startm) + __field(u64, endm) + ), + + TP_fast_assign( + __entry->de_id = de_id; + __assign_str(tag); + __entry->startm = startm; + __entry->endm = endm; + ), + + TP_printk("[%s] de_id=0x%llX - startm=%016llX endm=%016llX", + __get_str(tag), __entry->de_id, __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) + __string(tag, tag) + ), + + TP_fast_assign( + __entry->ts = ts; + __entry->de_id = de_id; + __entry->value = value; + __assign_str(tag); + ), + + TP_printk("[%s] ts=%llu de_id=0x%04llX value=%016llu", + __get_str(tag), __entry->ts, __entry->de_id, __entry->value) +); + #endif /* _TRACE_SCMI_H */ /* This part must be outside protection */ -- 2.54.0