linux-kernel - Re: [PATCH] tee: optee: add invoke

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Message-ID: <20210324144853.GA5718@roeck-us.net>
Date:   Wed, 24 Mar 2021 07:48:53 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>
Cc:     Jens Wiklander <jens.wiklander@...aro.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org, op-tee@...ts.trustedfirmware.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] tee: optee: add invoke_fn tracepoints

On Wed, Mar 24, 2021 at 07:34:07AM -0700, Guenter Roeck wrote:
> On Wed, Feb 10, 2021 at 02:44:09PM +0800, Jisheng Zhang wrote:
> > Add tracepoints to retrieve information about the invoke_fn. This would
> > help to measure how many invoke_fn are triggered and how long it takes
> > to complete one invoke_fn call.
> > 
> > Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
> 
> arm64:defconfig:
> 
> make-arm64 -j drivers/tee/optee/call.o
>   CALL    scripts/atomic/check-atomics.sh
>   CALL    scripts/checksyscalls.sh
>   CC      drivers/tee/optee/call.o
> In file included from drivers/tee/optee/optee_trace.h:67,
>                  from drivers/tee/optee/call.c:18:
> ./include/trace/define_trace.h:95:42: fatal error: ./optee_trace.h: No such file or directory
>    95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
>       |                                          ^
> compilation terminated.
> 

The problem also affects arm:imx_v6_v7_defconfig.

Guenter