acrn-kernel/tools/perf/ui/progress.c

44 lines
813 B
C

#include <linux/kernel.h>
#include "../cache.h"
#include "progress.h"
static void null_progress__update(struct ui_progress *p __maybe_unused)
{
}
static struct ui_progress_ops null_progress__ops =
{
.update = null_progress__update,
};
struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
void ui_progress__update(struct ui_progress *p, u64 adv)
{
u64 last = p->curr;
p->curr += adv;
if (p->curr >= p->next) {
u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
p->next += nr * p->step;
ui_progress__ops->update(p);
}
}
void ui_progress__init(struct ui_progress *p, u64 total, const char *title)
{
p->curr = 0;
p->next = p->step = total / 16 ?: 1;
p->total = total;
p->title = title;
}
void ui_progress__finish(void)
{
if (ui_progress__ops->finish)
ui_progress__ops->finish();
}