linux-kernel - Re: [PATCH 14/20] perf annotate: Pass struct annotation_options to map_symbol__annotation

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Date:   Mon, 6 Aug 2018 22:45:07 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Stephane Eranian <eranian@...gle.com>, kernel-team@....com
Subject: Re: [PATCH 14/20] perf annotate: Pass struct annotation_options to
 map_symbol__annotation_dump

Hi Jiri,

On Sat, Aug 04, 2018 at 03:05:15PM +0200, Jiri Olsa wrote:
> Passing struct annotation_options to map_symbol__annotation_dump,
> to carry on and pass the percent_type value.
> 
> Link: http://lkml.kernel.org/n/tip-5toohgdkgpk3vn6zebusr3bb@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---

[SNIP]
> @@ -2523,7 +2526,7 @@ static void disasm_line__write(struct disasm_line *dl, struct annotation *notes,
>  
>  static void __annotation_line__write(struct annotation_line *al, struct annotation *notes,
>  				     bool first_line, bool current_entry, bool change_color, int width,
> -				     void *obj,
> +				     void *obj, unsigned int percent_type,
>  				     int  (*obj__set_color)(void *obj, int color),
>  				     void (*obj__set_percent_color)(void *obj, double percent, bool current),
>  				     int  (*obj__set_jumps_percent_color)(void *obj, int nr, bool current),
> @@ -2531,7 +2534,7 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
>  				     void (*obj__write_graph)(void *obj, int graph))
>  
>  {
> -	double percent_max = annotation_line__max_percent(al, notes);
> +	double percent_max = annotation_line__max_percent(al, notes, percent_type);
>  	int pcnt_width = annotation__pcnt_width(notes),
>  	    cycles_width = annotation__cycles_width(notes);
>  	bool show_title = false;
> @@ -2552,8 +2555,7 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
>  		for (i = 0; i < notes->nr_events; i++) {
>  			double percent;
>  
> -			percent = annotation_data__percent(&al->data[i],
> -							   PERCENT_HITS_LOCAL);
> +			percent = annotation_data__percent(&al->data[i], percent_type);
>  
>  			obj__set_percent_color(obj, percent, current_entry);
>  			if (notes->options->show_total_period) {
> @@ -2680,13 +2682,15 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
>  }
>  
>  void annotation_line__write(struct annotation_line *al, struct annotation *notes,
> -			    struct annotation_write_ops *ops)
> +			    struct annotation_write_ops *wops,
> +			    struct annotation_options *opts)
>  {
> -	__annotation_line__write(al, notes, ops->first_line, ops->current_entry,
> -				 ops->change_color, ops->width, ops->obj,
> -				 ops->set_color, ops->set_percent_color,
> -				 ops->set_jumps_percent_color, ops->printf,
> -				 ops->write_graph);
> +	__annotation_line__write(al, notes, wops->first_line, wops->current_entry,
> +				 wops->change_color, wops->width, wops->obj,
> +				 opts->percent_type,
> +				 wops->set_color, wops->set_percent_color,
> +				 wops->set_jumps_percent_color, wops->printf,
> +				 wops->write_graph);

This doesn't look good.  Why not just passing a pointer to wops
instead of each fields separately?

Thanks,
Namhyung


>  }
>  
>  int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel,
> diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
> index 145dec845f33..3d4579e68d28 100644
> --- a/tools/perf/util/annotate.h
> +++ b/tools/perf/util/annotate.h
> @@ -185,7 +185,8 @@ struct annotation_write_ops {
>  };
>  
>  void annotation_line__write(struct annotation_line *al, struct annotation *notes,
> -			    struct annotation_write_ops *ops);
> +			    struct annotation_write_ops *ops,
> +			    struct annotation_options *opts);
>  
>  int __annotation__scnprintf_samples_period(struct annotation *notes,
>  					   char *bf, size_t size,
> @@ -351,7 +352,8 @@ void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
>  void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
>  void annotated_source__purge(struct annotated_source *as);
>  
> -int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel);
> +int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel,
> +				struct annotation_options *opts);
>  
>  bool ui__has_annotation(void);
>  
> -- 
> 2.17.1
>