From: Steven Rostedt <rostedt@goodmis.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Jisheng Zhang <Jisheng.Zhang@synaptics.com>,
Jens Wiklander <jens.wiklander@linaro.org>,
linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] tee: optee: add invoke_fn tracepoints
Date: Wed, 24 Mar 2021 10:53:13 -0400 [thread overview]
Message-ID: <20210324105313.4ff3ad07@gandalf.local.home> (raw)
In-Reply-To: <20210324144853.GA5718@roeck-us.net>
On Wed, 24 Mar 2021 07:48:53 -0700
Guenter Roeck <linux@roeck-us.net> wrote:
> 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@synaptics.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.
>
I think it affects everything. The problem is that the
drivers/tee/optee/Makefile needs to be updated with:
CFLAGS_call.o := -I$(src)
otherwise the compiler wont know how to find the path to optee_tree.h.
This is described in:
samples/trace_events/Makefile
-- Steve
next prev parent reply other threads:[~2021-03-24 14:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-10 6:44 [PATCH] tee: optee: add invoke_fn tracepoints Jisheng Zhang
2021-02-10 14:37 ` Steven Rostedt
2021-02-23 7:59 ` Jens Wiklander
2021-02-23 10:40 ` Jisheng Zhang
2021-02-23 13:11 ` Jens Wiklander
2021-02-23 14:19 ` Steven Rostedt
2021-02-24 8:10 ` Jens Wiklander
2021-03-24 14:34 ` Guenter Roeck
2021-03-24 14:48 ` Guenter Roeck
2021-03-24 14:53 ` Steven Rostedt [this message]
2021-03-25 3:50 ` Jisheng Zhang
2021-03-25 7:49 ` Jens Wiklander
-- strict thread matches above, loose matches on Subject: below --
2021-02-09 11:02 Jisheng Zhang
2021-02-09 15:58 ` Steven Rostedt
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