From nobody Sun Sep 14 22:15:26 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05C7CC32793 for ; Wed, 18 Jan 2023 12:53:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231279AbjARMxr (ORCPT ); Wed, 18 Jan 2023 07:53:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230497AbjARMv4 (ORCPT ); Wed, 18 Jan 2023 07:51:56 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 132F149408 for ; Wed, 18 Jan 2023 04:15:20 -0800 (PST) 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 13A7D1477; Wed, 18 Jan 2023 04:16:02 -0800 (PST) Received: from e120937-lin.. (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DB3FA3F71A; Wed, 18 Jan 2023 04:15:17 -0800 (PST) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com, etienne.carriere@linaro.org, vincent.guittot@linaro.org, souvik.chakravarty@arm.com, wleavitt@marvell.com, peter.hilber@opensynergy.com, nicola.mazzucato@arm.com, tarek.el-sherbiny@arm.com, quic_kshivnan@quicinc.com, cristian.marussi@arm.com Subject: [PATCH v8 08/17] include: trace: Add platform and channel instance references Date: Wed, 18 Jan 2023 12:14:17 +0000 Message-Id: <20230118121426.492864-9-cristian.marussi@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230118121426.492864-1-cristian.marussi@arm.com> References: <20230118121426.492864-1-cristian.marussi@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add channel and platform instance indentifier to SCMI message dump traces in order to easily associate message flows to specific transport channels. Signed-off-by: Cristian Marussi --- drivers/firmware/arm_scmi/driver.c | 20 ++++++++++++-------- include/trace/events/scmi.h | 18 ++++++++++++------ 2 files changed, 24 insertions(+), 14 deletions(-) diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi= /driver.c index af34324e923b..c765d0c51dc5 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -860,9 +860,9 @@ static void scmi_handle_notification(struct scmi_chan_i= nfo *cinfo, info->desc->ops->fetch_notification(cinfo, info->desc->max_msg_size, xfer); =20 - trace_scmi_msg_dump(xfer->hdr.protocol_id, xfer->hdr.id, "NOTI", - xfer->hdr.seq, xfer->hdr.status, - xfer->rx.buf, xfer->rx.len); + trace_scmi_msg_dump(info->id, cinfo->id, xfer->hdr.protocol_id, + xfer->hdr.id, "NOTI", xfer->hdr.seq, + xfer->hdr.status, xfer->rx.buf, xfer->rx.len); =20 scmi_notify(cinfo->handle, xfer->hdr.protocol_id, xfer->hdr.id, xfer->rx.buf, xfer->rx.len, ts); @@ -898,7 +898,8 @@ static void scmi_handle_response(struct scmi_chan_info = *cinfo, smp_store_mb(xfer->priv, priv); info->desc->ops->fetch_response(cinfo, xfer); =20 - trace_scmi_msg_dump(xfer->hdr.protocol_id, xfer->hdr.id, + trace_scmi_msg_dump(info->id, cinfo->id, xfer->hdr.protocol_id, + xfer->hdr.id, xfer->hdr.type =3D=3D MSG_TYPE_DELAYED_RESP ? "DLYD" : "RESP", xfer->hdr.seq, xfer->hdr.status, @@ -1008,6 +1009,8 @@ static int scmi_wait_for_reply(struct device *dev, co= nst struct scmi_desc *desc, =20 if (!ret) { unsigned long flags; + struct scmi_info *info =3D + handle_to_scmi_info(cinfo->handle); =20 /* * Do not fetch_response if an out-of-order delayed @@ -1021,7 +1024,8 @@ static int scmi_wait_for_reply(struct device *dev, co= nst struct scmi_desc *desc, spin_unlock_irqrestore(&xfer->lock, flags); =20 /* Trace polled replies. */ - trace_scmi_msg_dump(xfer->hdr.protocol_id, xfer->hdr.id, + trace_scmi_msg_dump(info->id, cinfo->id, + xfer->hdr.protocol_id, xfer->hdr.id, "RESP", xfer->hdr.seq, xfer->hdr.status, xfer->rx.buf, xfer->rx.len); @@ -1157,9 +1161,9 @@ static int do_xfer(const struct scmi_protocol_handle = *ph, return ret; } =20 - trace_scmi_msg_dump(xfer->hdr.protocol_id, xfer->hdr.id, "CMND", - xfer->hdr.seq, xfer->hdr.status, - xfer->tx.buf, xfer->tx.len); + trace_scmi_msg_dump(info->id, cinfo->id, xfer->hdr.protocol_id, + xfer->hdr.id, "CMND", xfer->hdr.seq, + xfer->hdr.status, xfer->tx.buf, xfer->tx.len); =20 ret =3D scmi_wait_for_message_response(cinfo, xfer); if (!ret && xfer->hdr.status) diff --git a/include/trace/events/scmi.h b/include/trace/events/scmi.h index f160d68f961d..422c1ad9484d 100644 --- a/include/trace/events/scmi.h +++ b/include/trace/events/scmi.h @@ -139,11 +139,15 @@ TRACE_EVENT(scmi_rx_done, ); =20 TRACE_EVENT(scmi_msg_dump, - TP_PROTO(u8 protocol_id, u8 msg_id, unsigned char *tag, u16 seq, - int status, void *buf, size_t len), - TP_ARGS(protocol_id, msg_id, tag, seq, status, buf, len), + TP_PROTO(int id, u8 channel_id, u8 protocol_id, u8 msg_id, + unsigned char *tag, u16 seq, int status, + void *buf, size_t len), + TP_ARGS(id, channel_id, protocol_id, msg_id, tag, seq, status, + buf, len), =20 TP_STRUCT__entry( + __field(int, id) + __field(u8, channel_id) __field(u8, protocol_id) __field(u8, msg_id) __array(char, tag, 5) @@ -154,6 +158,8 @@ TRACE_EVENT(scmi_msg_dump, ), =20 TP_fast_assign( + __entry->id =3D id; + __entry->channel_id =3D channel_id; __entry->protocol_id =3D protocol_id; __entry->msg_id =3D msg_id; strscpy(__entry->tag, tag, 5); @@ -163,9 +169,9 @@ TRACE_EVENT(scmi_msg_dump, memcpy(__get_dynamic_array(cmd), buf, __entry->len); ), =20 - TP_printk("pt=3D%02X t=3D%s msg_id=3D%02X seq=3D%04X s=3D%d pyld=3D%s", - __entry->protocol_id, __entry->tag, __entry->msg_id, - __entry->seq, __entry->status, + TP_printk("id=3D%d ch=3D%02X pt=3D%02X t=3D%s msg_id=3D%02X seq=3D%04X s= =3D%d pyld=3D%s", + __entry->id, __entry->channel_id, __entry->protocol_id, + __entry->tag, __entry->msg_id, __entry->seq, __entry->status, __print_hex_str(__get_dynamic_array(cmd), __entry->len)) ); #endif /* _TRACE_SCMI_H */ --=20 2.34.1