[PATCH 2/4] perf anntoate browser: Fix the toggle total period view to show period, not number of samples

[Taeung Song]

Currently the toggle total period view on the annotate TUI
shows the number of samples, not period like below.

  $ perf annotate --show-total-period

Percent│
       │
       │
       │    Disassembly of section .text:
       │
       │    0000000000109a90 <_mcount@@GLIBC_2.2.5>:
       │      sub    $0x38,%rsp
     3 │      mov    %rax,(%rsp)
     3 │      mov    %rcx,0x8(%rsp)

This output has two problem:

  1) Wrong column i.e. 'Percent'
  2) Show number of samples, not period

So fix the toggle total period view on the annotate TUI like below.

Event count│
           │
           │
           │    Disassembly of section .text:
           │
           │    0000000000109a90 <_mcount@@GLIBC_2.2.5>:
           │      sub    $0x38,%rsp
   2204022 │      mov    %rax,(%rsp)
   2207405 │      mov    %rcx,0x8(%rsp)

Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Milian Wolff <milian.wo...@kdab.com>
Cc: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Taeung Song <treeze.tae...@gmail.com>
---
 tools/perf/ui/browsers/annotate.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c 
b/tools/perf/ui/browsers/annotate.c
index 73e5ae2..0ddc3b2 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -18,6 +18,7 @@
 struct disasm_line_samples {
        double          percent;
        u64             nr;
+       u64             period;
 };
 
 #define IPC_WIDTH 6
@@ -113,6 +114,10 @@ static int annotate_browser__pcnt_width(struct 
annotate_browser *ab)
 
        if (ab->have_cycles)
                w += IPC_WIDTH + CYCLES_WIDTH;
+
+       if (annotate_browser__opts.show_total_period)
+               w += 4 * ab->nr_events;
+
        return w;
 }
 
@@ -150,8 +155,8 @@ static void annotate_browser__write(struct ui_browser 
*browser, void *entry, int
                                                bdl->samples[i].percent,
                                                current_entry);
                        if (annotate_browser__opts.show_total_period) {
-                               ui_browser__printf(browser, "%6" PRIu64 " ",
-                                                  bdl->samples[i].nr);
+                               ui_browser__printf(browser, "%10" PRIu64 " ",
+                                                  bdl->samples[i].period);
                        } else {
                                ui_browser__printf(browser, "%6.2f ",
                                                   bdl->samples[i].percent);
@@ -161,9 +166,13 @@ static void annotate_browser__write(struct ui_browser 
*browser, void *entry, int
                ui_browser__set_percent_color(browser, 0, current_entry);
 
                if (!show_title)
-                       ui_browser__write_nstring(browser, " ", 7 * 
ab->nr_events);
-               else
-                       ui_browser__printf(browser, "%*s", 7, "Percent");
+                       ui_browser__write_nstring(browser, " ", pcnt_width);
+               else {
+                       if (annotate_browser__opts.show_total_period)
+                               ui_browser__printf(browser, "%*s", 11, "Event 
count");
+                       else
+                               ui_browser__printf(browser, "%*s", 7, 
"Percent");
+               }
        }
        if (ab->have_cycles) {
                if (dl->ipc)
@@ -457,6 +466,7 @@ static void annotate_browser__calc_percent(struct 
annotate_browser *browser,
                                                next ? next->offset : len,
                                                &path, &nr_samples, &period);
                        bpos->samples[i].nr = nr_samples;
+                       bpos->samples[i].period = period;
 
                        if (max_percent < bpos->samples[i].percent)
                                max_percent = bpos->samples[i].percent;
-- 
2.7.4