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Mon, 22 May 2023 15:33:02 GMT Received: from [10.216.34.225] (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Mon, 22 May 2023 08:32:58 -0700 Message-ID: Date: Mon, 22 May 2023 21:02:55 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v3 1/2] remoteproc: Introduce traces for remoteproc events Content-Language: en-US To: Gokul krishna Krishnakumar , CC: Bjorn Andersson , Mathieu Poirier , , Trilok Soni , Satya Durga Srinivasu Prabhala , Rajendra Nayak , "Elliot Berman" , Guru Das Srinagesh , Sibi Sankar , Melody Olvera References: <5c7c2657d12808e211942d71ad79e3846f4e70bb.1683741283.git.quic_gokukris@quicinc.com> From: Mukesh Ojha In-Reply-To: <5c7c2657d12808e211942d71ad79e3846f4e70bb.1683741283.git.quic_gokukris@quicinc.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: me_CRU_Tf7KLc56Nmp-lwP3Uu4gbhl4Z X-Proofpoint-ORIG-GUID: me_CRU_Tf7KLc56Nmp-lwP3Uu4gbhl4Z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-22_10,2023-05-22_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 bulkscore=0 malwarescore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305220129 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/10/2023 11:35 PM, Gokul krishna Krishnakumar wrote: > Adding Traces for the following remoteproc events: > rproc_subdev_event, > rproc_interrupt_event, > rproc_load_event, > rproc_start_event, > rproc_stop_event > > Signed-off-by: Gokul krishna Krishnakumar > --- > drivers/remoteproc/Makefile | 1 + > drivers/remoteproc/qcom_tracepoints.c | 12 +++ > include/trace/events/rproc_qcom.h | 128 ++++++++++++++++++++++++++ > 3 files changed, 141 insertions(+) > create mode 100644 drivers/remoteproc/qcom_tracepoints.c > create mode 100644 include/trace/events/rproc_qcom.h > > diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile > index 91314a9b43ce..3399fcaba39b 100644 > --- a/drivers/remoteproc/Makefile > +++ b/drivers/remoteproc/Makefile > @@ -10,6 +10,7 @@ remoteproc-y += remoteproc_debugfs.o > remoteproc-y += remoteproc_sysfs.o > remoteproc-y += remoteproc_virtio.o > remoteproc-y += remoteproc_elf_loader.o > +remoteproc-y += qcom_tracepoints.o > obj-$(CONFIG_REMOTEPROC_CDEV) += remoteproc_cdev.o > obj-$(CONFIG_IMX_REMOTEPROC) += imx_rproc.o > obj-$(CONFIG_IMX_DSP_REMOTEPROC) += imx_dsp_rproc.o > diff --git a/drivers/remoteproc/qcom_tracepoints.c b/drivers/remoteproc/qcom_tracepoints.c > new file mode 100644 > index 000000000000..1b587ef54aa7 > --- /dev/null > +++ b/drivers/remoteproc/qcom_tracepoints.c > @@ -0,0 +1,12 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#define CREATE_TRACE_POINTS > +#include > +EXPORT_TRACEPOINT_SYMBOL(rproc_load_event); > +EXPORT_TRACEPOINT_SYMBOL(rproc_start_event); > +EXPORT_TRACEPOINT_SYMBOL(rproc_stop_event); > +EXPORT_TRACEPOINT_SYMBOL(rproc_interrupt_event); > +EXPORT_TRACEPOINT_SYMBOL(rproc_subdev_event); > diff --git a/include/trace/events/rproc_qcom.h b/include/trace/events/rproc_qcom.h > new file mode 100644 > index 000000000000..48ad26ce18a3 > --- /dev/null > +++ b/include/trace/events/rproc_qcom.h > @@ -0,0 +1,128 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#undef TRACE_SYSTEM > +#define TRACE_SYSTEM rproc_qcom > + > +#if !defined(_TRACE_RPROC_QCOM_H) || defined(TRACE_HEADER_MULTI_READ) > +#define _TRACE_RPROC_QCOM_H > +#include > +#include > + > +/* > + * Tracepoints for remoteproc and subdevice events > + */ > +TRACE_EVENT(rproc_load_event, > + > + TP_PROTO(struct rproc *rproc, int ret), > + > + TP_ARGS(rproc, ret), > + > + TP_STRUCT__entry( > + __string(name, rproc->name) > + __string(firmware, rproc->firmware) > + __field(int, ret) > + ), > + > + TP_fast_assign( > + __assign_str(name, rproc->name); > + __assign_str(firmware, rproc->firmware); > + __entry->ret = ret; > + ), > + > + TP_printk("%s loading firmware %s returned %d", > + __get_str(name), __get_str(firmware), > + __entry->ret) > +); > + > +TRACE_EVENT(rproc_start_event, > + > + TP_PROTO(struct rproc *rproc, int ret), > + > + TP_ARGS(rproc, ret), > + > + TP_STRUCT__entry( > + __string(name, rproc->name) > + __field(int, ret) > + ), > + > + TP_fast_assign( > + __assign_str(name, rproc->name); > + __entry->ret = ret; > + ), > + > + TP_printk("%s %d", __get_str(name), __entry->ret) > +); > + > +TRACE_EVENT(rproc_stop_event, > + > + TP_PROTO(struct rproc *rproc, char *crash_msg), const char *crash_msg ? > + > + TP_ARGS(rproc, crash_msg), > + > + TP_STRUCT__entry( > + __string(name, rproc->name) > + __string(crash_msg, crash_msg) > + ), > + > + TP_fast_assign( > + __assign_str(name, rproc->name); > + __assign_str(crash_msg, crash_msg) > + ), > + > + TP_printk("%s %s", __get_str(name), __get_str(crash_msg)) > +); > + > +TRACE_EVENT(rproc_interrupt_event, > + > + TP_PROTO(struct rproc *rproc, const char *event, > + const char *msg), > + > + TP_ARGS(rproc, event, msg), > + > + TP_STRUCT__entry( > + __string(name, rproc->name) > + __string(event, event) > + __string(msg, msg) > + ), > + > + TP_fast_assign( > + __assign_str(name, rproc->name); > + __assign_str(event, event); > + __assign_str(msg, msg); > + ), > + > + TP_printk("%s %s returned %s", __get_str(name), > + __get_str(event), __get_str(msg)) > +); > + > +TRACE_EVENT(rproc_subdev_event, > + > + TP_PROTO(const char *rproc, const char *subdev, > + const char *event, int ret), > + > + TP_ARGS(rproc, subdev, event, ret), > + > + TP_STRUCT__entry( > + __string(rproc, rproc) > + __string(subdev, subdev) > + __string(event, event) > + __field(int, ret) > + ), > + > + TP_fast_assign( > + __assign_str(rproc, rproc); > + __assign_str(subdev, subdev); > + __assign_str(event, event); > + __entry->ret = ret; > + ), > + > + TP_printk("%s %s %s %d", __get_str(rproc), __get_str(subdev), > + __get_str(event), __entry->ret) Should you not specify what all are you trying to print here.. Unless they are very generic and self interpret-able. TP_printk("rproc:%s subdev:%s event:%s ret:%d", __get_str(rproc), __get_str(subdev), __get_str(event), __entry->ret) -- Mukesh > +); > +#endif /* _TRACE_RPROC_QCOM_H */ > + > +/* This part must be outside protection */ > +#include