Re: [PATCH 2/3] perf script: Pass perf_script into process_event

[Arnaldo Carvalho de Melo]

Em Thu, Nov 26, 2015 at 02:55:24PM +0100, Jiri Olsa escreveu:
> Passing perf_script struct into process_event function.

For? Please write the motivation for a patch.

- Arnaldo
 
> Link: http://lkml.kernel.org/n/tip-jad0bjspvazzf5v4bsnz74ax@xxxxxxxxxxxxxx
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
>  tools/perf/builtin-script.c | 26 ++++++++++++++------------
>  1 file changed, 14 insertions(+), 12 deletions(-)
> 
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 8e3f8048d2d0..3c3f8d0e3064 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -588,8 +588,17 @@ static void print_sample_flags(u32 flags)
>  	printf("  %-4s ", str);
>  }
>  
> -static void process_event(union perf_event *event, struct perf_sample *sample,
> -			  struct perf_evsel *evsel, struct addr_location *al)
> +struct perf_script {
> +	struct perf_tool	tool;
> +	struct perf_session	*session;
> +	bool			show_task_events;
> +	bool			show_mmap_events;
> +	bool			show_switch_events;
> +};
> +
> +static void process_event(struct perf_script *script __maybe_unused, union perf_event *event,
> +			  struct perf_sample *sample, struct perf_evsel *evsel,
> +			  struct addr_location *al)
>  {
>  	struct thread *thread = al->thread;
>  	struct perf_event_attr *attr = &evsel->attr;
> @@ -663,12 +672,13 @@ static int cleanup_scripting(void)
>  	return scripting_ops ? scripting_ops->stop_script() : 0;
>  }
>  
> -static int process_sample_event(struct perf_tool *tool __maybe_unused,
> +static int process_sample_event(struct perf_tool *tool,
>  				union perf_event *event,
>  				struct perf_sample *sample,
>  				struct perf_evsel *evsel,
>  				struct machine *machine)
>  {
> +	struct perf_script *scr = container_of(tool, struct perf_script, tool);
>  	struct addr_location al;
>  
>  	if (debug_mode) {
> @@ -697,21 +707,13 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
>  	if (scripting_ops)
>  		scripting_ops->process_event(event, sample, evsel, &al);
>  	else
> -		process_event(event, sample, evsel, &al);
> +		process_event(scr, event, sample, evsel, &al);
>  
>  out_put:
>  	addr_location__put(&al);
>  	return 0;
>  }
>  
> -struct perf_script {
> -	struct perf_tool	tool;
> -	struct perf_session	*session;
> -	bool			show_task_events;
> -	bool			show_mmap_events;
> -	bool			show_switch_events;
> -};
> -
>  static int process_attr(struct perf_tool *tool, union perf_event *event,
>  			struct perf_evlist **pevlist)
>  {
> -- 
> 2.4.3
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