From: Arnaldo Carvalho de Melo <a...@redhat.com>

For the --tui and --stdio2 cases using callbacks for print() and
set_percent_color() end up being the easiest path, real GUI remains as
an exercise.

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Andi Kleen <a...@linux.intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jin Yao <yao....@linux.intel.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Wang Nan <wangn...@huawei.com>
Link: https://lkml.kernel.org/n/tip-1o7az1ng55g2g6ppr2jpe...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/ui/browsers/annotate.c | 82 ++++++++++-----------------------------
 tools/perf/util/annotate.c        | 75 +++++++++++++++++++++++++++++++++++
 tools/perf/util/annotate.h        |  5 +++
 3 files changed, 101 insertions(+), 61 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c 
b/tools/perf/ui/browsers/annotate.c
index 05f79f36e906..9b77a016e299 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -105,6 +105,20 @@ static void disasm_line__write(struct disasm_line *dl, 
struct ui_browser *browse
        disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset);
 }
 
+static void annotate_browser__set_percent_color(void *browser, double percent, 
bool current)
+{
+       ui_browser__set_percent_color(browser, percent, current);
+}
+
+static void annotate_browser__printf(void *browser, const char *fmt, ...)
+{
+       va_list args;
+
+       va_start(args, fmt);
+       ui_browser__vprintf(browser, fmt, args);
+       va_end(args);
+}
+
 static void annotate_browser__write(struct ui_browser *browser, void *entry, 
int row)
 {
        struct annotate_browser *ab = container_of(browser, struct 
annotate_browser, b);
@@ -115,65 +129,13 @@ static void annotate_browser__write(struct ui_browser 
*browser, void *entry, int
                             (!current_entry || (browser->use_navkeypressed &&
                                                 !browser->navkeypressed)));
        int width = browser->width, printed;
-       int i, pcnt_width = annotation__pcnt_width(notes),
-              cycles_width = annotation__cycles_width(notes);
-       double percent_max = annotation_line__max_percent(al, notes);
+       int pcnt_width = annotation__pcnt_width(notes),
+           cycles_width = annotation__cycles_width(notes);
        char bf[256];
-       bool show_title = false;
-
-       if ((row == 0) && (al->offset == -1 || percent_max == 0.0)) {
-               if (notes->have_cycles) {
-                       if (al->ipc == 0.0 && al->cycles == 0)
-                               show_title = true;
-               } else
-                       show_title = true;
-       }
-
-       if (al->offset != -1 && percent_max != 0.0) {
-               for (i = 0; i < notes->nr_events; i++) {
-                       ui_browser__set_percent_color(browser,
-                                               al->samples[i].percent,
-                                               current_entry);
-                       if (notes->options->show_total_period) {
-                               ui_browser__printf(browser, "%11" PRIu64 " ",
-                                                  al->samples[i].he.period);
-                       } else if (notes->options->show_nr_samples) {
-                               ui_browser__printf(browser, "%6" PRIu64 " ",
-                                                  
al->samples[i].he.nr_samples);
-                       } else {
-                               ui_browser__printf(browser, "%6.2f ",
-                                                  al->samples[i].percent);
-                       }
-               }
-       } else {
-               ui_browser__set_percent_color(browser, 0, current_entry);
-
-               if (!show_title)
-                       ui_browser__write_nstring(browser, " ", pcnt_width);
-               else {
-                       ui_browser__printf(browser, "%*s", pcnt_width,
-                                          notes->options->show_total_period ? 
"Period" :
-                                          notes->options->show_nr_samples ? 
"Samples" : "Percent");
-               }
-       }
-       if (notes->have_cycles) {
-               if (al->ipc)
-                       ui_browser__printf(browser, "%*.2f ", 
ANNOTATION__IPC_WIDTH - 1, al->ipc);
-               else if (!show_title)
-                       ui_browser__write_nstring(browser, " ", 
ANNOTATION__IPC_WIDTH);
-               else
-                       ui_browser__printf(browser, "%*s ", 
ANNOTATION__IPC_WIDTH - 1, "IPC");
-
-               if (al->cycles)
-                       ui_browser__printf(browser, "%*" PRIu64 " ",
-                                          ANNOTATION__CYCLES_WIDTH - 1, 
al->cycles);
-               else if (!show_title)
-                       ui_browser__write_nstring(browser, " ", 
ANNOTATION__CYCLES_WIDTH);
-               else
-                       ui_browser__printf(browser, "%*s ", 
ANNOTATION__CYCLES_WIDTH - 1, "Cycle");
-       }
 
-       SLsmg_write_char(' ');
+       annotation_line__print_start(al, notes, row == 0, current_entry, 
browser,
+                                    annotate_browser__set_percent_color,
+                                    annotate_browser__printf);
 
        /* The scroll bar isn't being used */
        if (!browser->navkeypressed)
@@ -183,11 +145,9 @@ static void annotate_browser__write(struct ui_browser 
*browser, void *entry, int
                ui_browser__write_nstring(browser, " ", width - pcnt_width - 
cycles_width);
        else if (al->offset == -1) {
                if (al->line_nr && notes->options->show_linenr)
-                       printed = scnprintf(bf, sizeof(bf), "%-*d ",
-                                       notes->widths.addr + 1, al->line_nr);
+                       printed = scnprintf(bf, sizeof(bf), "%-*d ", 
notes->widths.addr + 1, al->line_nr);
                else
-                       printed = scnprintf(bf, sizeof(bf), "%*s  ",
-                                   notes->widths.addr, " ");
+                       printed = scnprintf(bf, sizeof(bf), "%*s  ", 
notes->widths.addr, " ");
                ui_browser__write_nstring(browser, bf, printed);
                ui_browser__write_nstring(browser, al->line, width - printed - 
pcnt_width - cycles_width + 1);
        } else {
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 3bd6f9b0147f..046feda11052 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2198,6 +2198,81 @@ 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)
+{
+}
+
+void annotation_line__print_start(struct annotation_line *al, struct 
annotation *notes,
+                                 bool first_line, bool current_entry,
+                                 void *obj,
+                                 void (*obj__set_percent_color)(void *obj, 
double percent, bool current),
+                                 void (*obj__printf)(void *obj, const char 
*fmt, ...))
+{
+       double percent_max = annotation_line__max_percent(al, notes);
+       bool show_title = false;
+
+       if (first_line && (al->offset == -1 || percent_max == 0.0)) {
+               if (notes->have_cycles) {
+                       if (al->ipc == 0.0 && al->cycles == 0)
+                               show_title = true;
+               } else
+                       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;
+
+               for (i = 0; i < notes->nr_events; i++) {
+                       obj__set_percent_color(obj, al->samples[i].percent, 
current_entry);
+                       if (notes->options->show_total_period) {
+                               obj__printf(obj, "%11" PRIu64 " ", 
al->samples[i].he.period);
+                       } else if (notes->options->show_nr_samples) {
+                               obj__printf(obj, "%6" PRIu64 " ",
+                                                  
al->samples[i].he.nr_samples);
+                       } else {
+                               obj__printf(obj, "%6.2f ",
+                                                  al->samples[i].percent);
+                       }
+               }
+       } else {
+               int pcnt_width = annotation__pcnt_width(notes);
+
+               obj__set_percent_color(obj, 0, current_entry);
+
+               if (!show_title)
+                       obj__printf(obj, "%*s", pcnt_width, " ");
+               else {
+                       obj__printf(obj, "%*s", pcnt_width,
+                                          notes->options->show_total_period ? 
"Period" :
+                                          notes->options->show_nr_samples ? 
"Samples" : "Percent");
+               }
+       }
+
+       if (notes->have_cycles) {
+               if (al->ipc)
+                       obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, 
al->ipc);
+               else if (!show_title)
+                       obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " ");
+               else
+                       obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, 
"IPC");
+
+               if (al->cycles)
+                       obj__printf(obj, "%*" PRIu64 " ",
+                                          ANNOTATION__CYCLES_WIDTH - 1, 
al->cycles);
+               else if (!show_title)
+                       obj__printf(obj, "%*s", ANNOTATION__CYCLES_WIDTH, " ");
+               else
+                       obj__printf(obj, "%*s ", ANNOTATION__CYCLES_WIDTH - 1, 
"Cycle");
+       }
+
+       obj__printf(obj, " ");
+}
+
 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 83484e236f33..84c99774bfed 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -126,6 +126,11 @@ struct annotation_line *
 annotation_line__next(struct annotation_line *pos, struct list_head *head);
 
 double annotation_line__max_percent(struct annotation_line *al, struct 
annotation *notes);
+void annotation_line__print_start(struct annotation_line *al, struct 
annotation *notes,
+                                 bool first_line, bool current_entry,
+                                 void *obj,
+                                 void (*obj__set_percent_color)(void *obj, 
double percent, bool current),
+                                 void (*obj__printf)(void *obj, const char 
*fmt, ...));
 
 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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