[PATCH v4 2/9] perf annotate: Remove __annotation_line__write()

Namhyung Kim posted 9 patches 2 months, 1 week ago
There is a newer version of this series
[PATCH v4 2/9] perf annotate: Remove __annotation_line__write()
Posted by Namhyung Kim 2 months, 1 week ago
Get rid of the internal function and convert function arguments into
local variables if they are used more than once.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/annotate.c | 46 ++++++++++++++++----------------------
 1 file changed, 19 insertions(+), 27 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0dd475a744b6dfac..69ee83052396b15e 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1935,24 +1935,26 @@ int annotation_br_cntr_entry(char **str, int br_cntr_nr,
 	return -ENOMEM;
 }
 
-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, 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),
-				     void (*obj__printf)(void *obj, const char *fmt, ...),
-				     void (*obj__write_graph)(void *obj, int graph))
-
-{
-	double percent_max = annotation_line__max_percent(al, percent_type);
-	int pcnt_width = annotation__pcnt_width(notes),
-	    cycles_width = annotation__cycles_width(notes);
+void annotation_line__write(struct annotation_line *al, struct annotation *notes,
+			    struct annotation_write_ops *wops)
+{
+	bool current_entry = wops->current_entry;
+	bool change_color = wops->change_color;
+	double percent_max = annotation_line__max_percent(al, annotate_opts.percent_type);
+	int width = wops->width;
+	int pcnt_width = annotation__pcnt_width(notes);
+	int cycles_width = annotation__cycles_width(notes);
 	bool show_title = false;
 	char bf[256];
 	int printed;
-
-	if (first_line && (al->offset == -1 || percent_max == 0.0)) {
+	void *obj = wops->obj;
+	int  (*obj__set_color)(void *obj, int color) = wops->set_color;
+	void (*obj__set_percent_color)(void *obj, double percent, bool current) = wops->set_percent_color;
+	int  (*obj__set_jumps_percent_color)(void *obj, int nr, bool current) = wops->set_jumps_percent_color;
+	void (*obj__printf)(void *obj, const char *fmt, ...) = wops->printf;
+	void (*obj__write_graph)(void *obj, int graph) = wops->write_graph;
+
+	if (wops->first_line && (al->offset == -1 || percent_max == 0.0)) {
 		if (notes->branch && al->cycles) {
 			if (al->cycles->ipc == 0.0 && al->cycles->avg == 0)
 				show_title = true;
@@ -1966,7 +1968,8 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
 		for (i = 0; i < al->data_nr; i++) {
 			double percent;
 
-			percent = annotation_data__percent(&al->data[i], percent_type);
+			percent = annotation_data__percent(&al->data[i],
+							   annotate_opts.percent_type);
 
 			obj__set_percent_color(obj, percent, current_entry);
 			if (symbol_conf.show_total_period) {
@@ -2115,17 +2118,6 @@ 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 *wops)
-{
-	__annotation_line__write(al, notes, wops->first_line, wops->current_entry,
-				 wops->change_color, wops->width, wops->obj,
-				 annotate_opts.percent_type,
-				 wops->set_color, wops->set_percent_color,
-				 wops->set_jumps_percent_color, wops->printf,
-				 wops->write_graph);
-}
-
 int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
 		      struct arch **parch)
 {
-- 
2.50.1
Re: [PATCH v4 2/9] perf annotate: Remove __annotation_line__write()
Posted by Ian Rogers 2 months, 1 week ago
On Fri, Jul 25, 2025 at 12:38 PM Namhyung Kim <namhyung@kernel.org> wrote:
>
> Get rid of the internal function and convert function arguments into
> local variables if they are used more than once.
>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
>  tools/perf/util/annotate.c | 46 ++++++++++++++++----------------------
>  1 file changed, 19 insertions(+), 27 deletions(-)
>
> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> index 0dd475a744b6dfac..69ee83052396b15e 100644
> --- a/tools/perf/util/annotate.c
> +++ b/tools/perf/util/annotate.c
> @@ -1935,24 +1935,26 @@ int annotation_br_cntr_entry(char **str, int br_cntr_nr,
>         return -ENOMEM;
>  }
>
> -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, 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),
> -                                    void (*obj__printf)(void *obj, const char *fmt, ...),
> -                                    void (*obj__write_graph)(void *obj, int graph))
> -
> -{
> -       double percent_max = annotation_line__max_percent(al, percent_type);
> -       int pcnt_width = annotation__pcnt_width(notes),
> -           cycles_width = annotation__cycles_width(notes);
> +void annotation_line__write(struct annotation_line *al, struct annotation *notes,
> +                           struct annotation_write_ops *wops)

nit: constify wops? If its const are the local variables worth it?

Thanks,
Ian

> +{
> +       bool current_entry = wops->current_entry;
> +       bool change_color = wops->change_color;
> +       double percent_max = annotation_line__max_percent(al, annotate_opts.percent_type);
> +       int width = wops->width;
> +       int pcnt_width = annotation__pcnt_width(notes);
> +       int cycles_width = annotation__cycles_width(notes);
>         bool show_title = false;
>         char bf[256];
>         int printed;
> -
> -       if (first_line && (al->offset == -1 || percent_max == 0.0)) {
> +       void *obj = wops->obj;
> +       int  (*obj__set_color)(void *obj, int color) = wops->set_color;
> +       void (*obj__set_percent_color)(void *obj, double percent, bool current) = wops->set_percent_color;
> +       int  (*obj__set_jumps_percent_color)(void *obj, int nr, bool current) = wops->set_jumps_percent_color;
> +       void (*obj__printf)(void *obj, const char *fmt, ...) = wops->printf;
> +       void (*obj__write_graph)(void *obj, int graph) = wops->write_graph;
> +
> +       if (wops->first_line && (al->offset == -1 || percent_max == 0.0)) {
>                 if (notes->branch && al->cycles) {
>                         if (al->cycles->ipc == 0.0 && al->cycles->avg == 0)
>                                 show_title = true;
> @@ -1966,7 +1968,8 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
>                 for (i = 0; i < al->data_nr; i++) {
>                         double percent;
>
> -                       percent = annotation_data__percent(&al->data[i], percent_type);
> +                       percent = annotation_data__percent(&al->data[i],
> +                                                          annotate_opts.percent_type);
>
>                         obj__set_percent_color(obj, percent, current_entry);
>                         if (symbol_conf.show_total_period) {
> @@ -2115,17 +2118,6 @@ 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 *wops)
> -{
> -       __annotation_line__write(al, notes, wops->first_line, wops->current_entry,
> -                                wops->change_color, wops->width, wops->obj,
> -                                annotate_opts.percent_type,
> -                                wops->set_color, wops->set_percent_color,
> -                                wops->set_jumps_percent_color, wops->printf,
> -                                wops->write_graph);
> -}
> -
>  int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
>                       struct arch **parch)
>  {
> --
> 2.50.1
>
Re: [PATCH v4 2/9] perf annotate: Remove __annotation_line__write()
Posted by Namhyung Kim 2 months, 1 week ago
On Fri, Jul 25, 2025 at 05:20:28PM -0700, Ian Rogers wrote:
> On Fri, Jul 25, 2025 at 12:38 PM Namhyung Kim <namhyung@kernel.org> wrote:
> >
> > Get rid of the internal function and convert function arguments into
> > local variables if they are used more than once.
> >
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> > ---
> >  tools/perf/util/annotate.c | 46 ++++++++++++++++----------------------
> >  1 file changed, 19 insertions(+), 27 deletions(-)
> >
> > diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> > index 0dd475a744b6dfac..69ee83052396b15e 100644
> > --- a/tools/perf/util/annotate.c
> > +++ b/tools/perf/util/annotate.c
> > @@ -1935,24 +1935,26 @@ int annotation_br_cntr_entry(char **str, int br_cntr_nr,
> >         return -ENOMEM;
> >  }
> >
> > -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, 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),
> > -                                    void (*obj__printf)(void *obj, const char *fmt, ...),
> > -                                    void (*obj__write_graph)(void *obj, int graph))
> > -
> > -{
> > -       double percent_max = annotation_line__max_percent(al, percent_type);
> > -       int pcnt_width = annotation__pcnt_width(notes),
> > -           cycles_width = annotation__cycles_width(notes);
> > +void annotation_line__write(struct annotation_line *al, struct annotation *notes,
> > +                           struct annotation_write_ops *wops)
> 
> nit: constify wops? If its const are the local variables worth it?
 
Sure, I think it's good.

Thanks,
Namhyung

> > +{
> > +       bool current_entry = wops->current_entry;
> > +       bool change_color = wops->change_color;
> > +       double percent_max = annotation_line__max_percent(al, annotate_opts.percent_type);
> > +       int width = wops->width;
> > +       int pcnt_width = annotation__pcnt_width(notes);
> > +       int cycles_width = annotation__cycles_width(notes);
> >         bool show_title = false;
> >         char bf[256];
> >         int printed;
> > -
> > -       if (first_line && (al->offset == -1 || percent_max == 0.0)) {
> > +       void *obj = wops->obj;
> > +       int  (*obj__set_color)(void *obj, int color) = wops->set_color;
> > +       void (*obj__set_percent_color)(void *obj, double percent, bool current) = wops->set_percent_color;
> > +       int  (*obj__set_jumps_percent_color)(void *obj, int nr, bool current) = wops->set_jumps_percent_color;
> > +       void (*obj__printf)(void *obj, const char *fmt, ...) = wops->printf;
> > +       void (*obj__write_graph)(void *obj, int graph) = wops->write_graph;
> > +
> > +       if (wops->first_line && (al->offset == -1 || percent_max == 0.0)) {
> >                 if (notes->branch && al->cycles) {
> >                         if (al->cycles->ipc == 0.0 && al->cycles->avg == 0)
> >                                 show_title = true;
> > @@ -1966,7 +1968,8 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati
> >                 for (i = 0; i < al->data_nr; i++) {
> >                         double percent;
> >
> > -                       percent = annotation_data__percent(&al->data[i], percent_type);
> > +                       percent = annotation_data__percent(&al->data[i],
> > +                                                          annotate_opts.percent_type);
> >
> >                         obj__set_percent_color(obj, percent, current_entry);
> >                         if (symbol_conf.show_total_period) {
> > @@ -2115,17 +2118,6 @@ 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 *wops)
> > -{
> > -       __annotation_line__write(al, notes, wops->first_line, wops->current_entry,
> > -                                wops->change_color, wops->width, wops->obj,
> > -                                annotate_opts.percent_type,
> > -                                wops->set_color, wops->set_percent_color,
> > -                                wops->set_jumps_percent_color, wops->printf,
> > -                                wops->write_graph);
> > -}
> > -
> >  int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
> >                       struct arch **parch)
> >  {
> > --
> > 2.50.1
> >