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Subject[PATCH 28/44] perf annotate: Use a ops table for annotation_line__write()
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

To simplify the passing of arguments, the --stdio2 code will have to set
all the fields with operations printing to stdout.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-pcs3c7vdy9ucygxflo4nl1o7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/browsers/annotate.c | 32 +++++++++++++++-------------
tools/perf/util/annotate.c | 44 ++++++++++++++++++++-------------------
tools/perf/util/annotate.h | 19 ++++++++++-------
3 files changed, 53 insertions(+), 42 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 2b18c462b882..bed647807d37 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -106,25 +106,29 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
struct annotation *notes = browser__annotation(browser);
struct annotation_line *al = list_entry(entry, struct annotation_line, node);
- bool current_entry = ui_browser__is_current_entry(browser, row);
- bool change_color = (!notes->options->hide_src_code &&
- (!current_entry || (browser->use_navkeypressed &&
- !browser->navkeypressed)));
- int width = browser->width;
+ struct annotation_write_ops ops = {
+ .first_line = row == 0,
+ .current_entry = ui_browser__is_current_entry(browser, row),
+ .change_color = (!notes->options->hide_src_code &&
+ (!ops.current_entry ||
+ (browser->use_navkeypressed &&
+ !browser->navkeypressed))),
+ .width = browser->width,
+ .obj = browser,
+ .set_color = annotate_browser__set_color,
+ .set_percent_color = annotate_browser__set_percent_color,
+ .set_jumps_percent_color = ui_browser__set_jumps_percent_color,
+ .printf = annotate_browser__printf,
+ .write_graph = annotate_browser__write_graph,
+ };

/* The scroll bar isn't being used */
if (!browser->navkeypressed)
- width += 1;
+ ops.width += 1;

- annotation_line__write(al, notes, row == 0, current_entry, change_color,
- width, browser,
- annotate_browser__set_color,
- annotate_browser__set_percent_color,
- ui_browser__set_jumps_percent_color,
- annotate_browser__printf,
- annotate_browser__write_graph);
+ annotation_line__write(al, notes, &ops);

- if (current_entry)
+ if (ops.current_entry)
ab->selection = al;
}

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 45a52e2658c8..11ad73211538 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -34,10 +34,10 @@
* FIXME: Using the same values as slang.h,
* but that header may not be available everywhere
*/
-#define LARROW_CHAR 0x1B
-#define RARROW_CHAR 0x1A
-#define DARROW_CHAR 0x19
-#define UARROW_CHAR 0x18
+#define LARROW_CHAR ((unsigned char)',')
+#define RARROW_CHAR ((unsigned char)'+')
+#define DARROW_CHAR ((unsigned char)'.')
+#define UARROW_CHAR ((unsigned char)'-')

#include "sane_ctype.h"

@@ -2210,12 +2210,6 @@ double annotation_line__max_percent(struct annotation_line *al, struct annotatio
return percent_max;
}

-static void set_percent_color_stub(void *obj __maybe_unused,
- double percent __maybe_unused,
- bool current __maybe_unused)
-{
-}
-
static void disasm_line__write(struct disasm_line *dl, struct annotation *notes,
void *obj, char *bf, size_t size,
void (*obj__printf)(void *obj, const char *fmt, ...),
@@ -2243,14 +2237,15 @@ static void disasm_line__write(struct disasm_line *dl, struct annotation *notes,
disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset);
}

-void annotation_line__write(struct annotation_line *al, struct annotation *notes,
- bool first_line, bool current_entry, bool change_color, int width,
- void *obj,
- 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))
+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,
+ 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, notes);
int pcnt_width = annotation__pcnt_width(notes),
@@ -2267,9 +2262,6 @@ void annotation_line__write(struct annotation_line *al, struct annotation *notes
show_title = true;
}

- if (!obj__set_percent_color)
- obj__set_percent_color = set_percent_color_stub;
-
if (al->offset != -1 && percent_max != 0.0) {
int i;

@@ -2368,6 +2360,16 @@ void annotation_line__write(struct annotation_line *al, struct annotation *notes

}

+void annotation_line__write(struct annotation_line *al, struct annotation *notes,
+ struct annotation_write_ops *ops)
+{
+ __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);
+}
+
int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel,
struct annotation_options *options, struct arch **parch)
{
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 27fcdacbb497..6fbb34b9bd77 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -125,15 +125,20 @@ void disasm_line__free(struct disasm_line *dl);
struct annotation_line *
annotation_line__next(struct annotation_line *pos, struct list_head *head);

+struct annotation_write_ops {
+ bool first_line, current_entry, change_color;
+ int width;
+ void *obj;
+ int (*set_color)(void *obj, int color);
+ void (*set_percent_color)(void *obj, double percent, bool current);
+ int (*set_jumps_percent_color)(void *obj, int nr, bool current);
+ void (*printf)(void *obj, const char *fmt, ...);
+ void (*write_graph)(void *obj, int graph);
+};
+
double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes);
void annotation_line__write(struct annotation_line *al, struct annotation *notes,
- bool first_line, bool current_entry, bool change_color, int width,
- void *obj,
- 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));
+ struct annotation_write_ops *ops);

int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
size_t disasm__fprintf(struct list_head *head, FILE *fp);
--
2.14.3
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