[PATCH] tee: optee: add invoke_fn tracepoints

[Steven Rostedt]

On Wed, 10 Feb 2021 14:44:09 +0800
Jisheng Zhang <Jisheng.Zhang at synaptics.com> 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 at synaptics.com>
> ---
> 
> Since v1:
>  - add BUILD_BUG_ON() macro usage to make sure that the size of what is being
>    copied, is not smaller than the amount being copied. Thank Steve.
>  - move optee_trace.h to keep include headers sorted

From a tracing point of view:

Reviewed-by: Steven Rostedt (VMware) <rostedt at goodmis.org>

-- Steve