LXR linux/tools/perf/ui/progress.c

   1// SPDX-License-Identifier: GPL-2.0
   2#include <linux/kernel.h>
   3#include "progress.h"
   4
   5static void null_progress__update(struct ui_progress *p __maybe_unused)
   6{
   7}
   8
   9static struct ui_progress_ops null_progress__ops =
  10{
  11        .update = null_progress__update,
  12};
  13
  14struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
  15
  16void ui_progress__update(struct ui_progress *p, u64 adv)
  17{
  18        u64 last = p->curr;
  19
  20        p->curr += adv;
  21
  22        if (p->curr >= p->next) {
  23                u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
  24
  25                p->next += nr * p->step;
  26                ui_progress__ops->update(p);
  27        }
  28}
  29
  30void __ui_progress__init(struct ui_progress *p, u64 total,
  31                         const char *title, bool size)
  32{
  33        p->curr = 0;
  34        p->next = p->step = total / 16 ?: 1;
  35        p->total = total;
  36        p->title = title;
  37        p->size  = size;
  38
  39        if (ui_progress__ops->init)
  40                ui_progress__ops->init(p);
  41}
  42
  43void ui_progress__finish(void)
  44{
  45        if (ui_progress__ops->finish)
  46                ui_progress__ops->finish();
  47}
  48