Linux Perf
progress.c
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1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include "../cache.h"
4 #include "../progress.h"
5 #include "../libslang.h"
6 #include "../ui.h"
7 #include "tui.h"
8 #include "units.h"
9 #include "../browser.h"
10 
11 static void __tui_progress__init(struct ui_progress *p)
12 {
13  p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
14 }
15 
16 static int get_title(struct ui_progress *p, char *buf, size_t size)
17 {
18  char buf_cur[20];
19  char buf_tot[20];
20  int ret;
21 
22  ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr);
23  ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total);
24 
25  return ret + scnprintf(buf, size, "%s [%s/%s]",
26  p->title, buf_cur, buf_tot);
27 }
28 
29 static void tui_progress__update(struct ui_progress *p)
30 {
31  char buf[100], *title = (char *) p->title;
32  int bar, y;
33  /*
34  * FIXME: We should have a per UI backend way of showing progress,
35  * stdio will just show a percentage as NN%, etc.
36  */
37  if (use_browser <= 0)
38  return;
39 
40  if (p->total == 0)
41  return;
42 
43  if (p->size) {
44  get_title(p, buf, sizeof(buf));
45  title = buf;
46  }
47 
49  pthread_mutex_lock(&ui__lock);
50  y = SLtt_Screen_Rows / 2 - 2;
51  SLsmg_set_color(0);
52  SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols);
53  SLsmg_gotorc(y++, 1);
54  SLsmg_write_string(title);
55  SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' ');
56  SLsmg_set_color(HE_COLORSET_SELECTED);
57  bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total;
58  SLsmg_fill_region(y, 1, 1, bar, ' ');
59  SLsmg_refresh();
60  pthread_mutex_unlock(&ui__lock);
61 }
62 
63 static void tui_progress__finish(void)
64 {
65  int y;
66 
67  if (use_browser <= 0)
68  return;
69 
71  pthread_mutex_lock(&ui__lock);
72  y = SLtt_Screen_Rows / 2 - 2;
73  SLsmg_set_color(0);
74  SLsmg_fill_region(y, 0, 3, SLtt_Screen_Cols, ' ');
75  SLsmg_refresh();
76  pthread_mutex_unlock(&ui__lock);
77 }
78 
81  .update = tui_progress__update,
82  .finish = tui_progress__finish,
83 };
84 
86 {
88 }
u64 curr
Definition: progress.h:11
void ui__refresh_dimensions(bool force)
Definition: setup.c:28
size_t size
Definition: evsel.c:60
static int get_title(struct ui_progress *p, char *buf, size_t size)
Definition: progress.c:16
pthread_mutex_t ui__lock
Definition: setup.c:10
int use_browser
Definition: setup.c:12
static struct ui_progress_ops tui_progress__ops
Definition: progress.c:79
if(!yyg->yy_init)
struct ui_progress_ops * ui_progress__ops
Definition: progress.c:15
static void __tui_progress__init(struct ui_progress *p)
Definition: progress.c:11
int unit_number__scnprintf(char *buf, size_t size, u64 n)
Definition: units.c:58
const char * title
Definition: progress.h:10
void tui_progress__init(void)
Definition: progress.c:85
u64 total
Definition: progress.h:11
static void tui_progress__finish(void)
Definition: progress.c:63
static void tui_progress__update(struct ui_progress *p)
Definition: progress.c:29
u64 step
Definition: progress.h:11
#define HE_COLORSET_SELECTED
Definition: browser.h:11
u64 next
Definition: progress.h:11
void(* init)(struct ui_progress *p)
Definition: progress.h:27
bool size
Definition: progress.h:12