linux-kernel - Re: [PATCH v4 1/2] remoteproc: Introduce traces for remoteproc events

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Message-ID: <b332eaf8-2528-ad71-9118-6627bf9ab7c1@quicinc.com>
Date:   Wed, 31 May 2023 14:51:41 -0700
From:   Trilok Soni <quic_tsoni@...cinc.com>
To:     Gokul krishna Krishnakumar <quic_gokukris@...cinc.com>,
        <linux-remoteproc@...r.kernel.org>
CC:     Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        <linux-kernel@...r.kernel.org>,
        "Satya Durga Srinivasu Prabhala" <quic_satyap@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Elliot Berman <quic_eberman@...cinc.com>,
        "Guru Das Srinagesh" <quic_gurus@...cinc.com>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Melody Olvera <quic_molvera@...cinc.com>
Subject: Re: [PATCH v4 1/2] remoteproc: Introduce traces for remoteproc events

On 5/31/2023 2:28 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 <quic_gokukris@...cinc.com>
> ---
>   drivers/remoteproc/Kconfig                    |   5 +
>   drivers/remoteproc/Makefile                   |   1 +
>   drivers/remoteproc/remoteproc_tracepoints.c   |  13 ++
>   include/trace/events/remoteproc_tracepoints.h | 129 ++++++++++++++++++
>   4 files changed, 148 insertions(+)
>   create mode 100644 drivers/remoteproc/remoteproc_tracepoints.c
>   create mode 100644 include/trace/events/remoteproc_tracepoints.h
> 
> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> index a850e9f486dd..2ef4f527f1c1 100644
> --- a/drivers/remoteproc/Kconfig
> +++ b/drivers/remoteproc/Kconfig
> @@ -365,6 +365,11 @@ config XLNX_R5_REMOTEPROC
>   
>   	  It's safe to say N if not interested in using RPU r5f cores.
>   
> +config REMOTEPROC_TRACEPOINTS
> +	bool "Support for Remote Processor subsystem traces"
> +	help
> +	  Say y to add traces to the remoteproc events.

More information here please. What information these traces provide? How 
they can be useful to developers? More text will always be helpful.

---Trilok Soni