Re: [PATCH 3/4] Add the fp_selection_helper function to set the file pointer for the related functions

[Jiri Olsa]

On Mon, Sep 18, 2017 at 01:55:21PM +0800, yuzhoujian wrote:
> Signed-off-by: yuzhoujian <yuzhoujian@xxxxxxxxxxxxxxx>
> ---
>  tools/perf/builtin-script.c | 24 ++++++++++++++++--------
>  1 file changed, 16 insertions(+), 8 deletions(-)
> 
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index f709f6f..89bab68 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -1527,6 +1527,13 @@ static int cleanup_scripting(void)
>  	return scripting_ops ? scripting_ops->stop_script() : 0;
>  }
>  
> +static FILE *fp_selection_helper(bool per_event_dump)
> +{
> +	if (per_event_dump == false)
> +		return stdout;
> +	else
> +		return per_event_dump_file;

when's the per_event_dump_file ever set? 

jirka