linux/tools/perf/ui/progress.c
Arnaldo Carvalho de Melo 4d3001fdfd perf ui progress: Per progress bar state
That will ease using a progress bar across multiple functions, like in
the upcoming patches that will present a progress bar when collapsing
histograms.

Based on a previous patch by Namhyung Kim.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-cr7lq7ud9fj21bg7wvq27w1u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-23 15:40:38 -03:00

39 lines
704 B
C

#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)
{
p->curr += adv;
if (p->curr >= p->next) {
p->next += 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;
p->total = total;
p->title = title;
}
void ui_progress__finish(void)
{
if (ui_progress__ops->finish)
ui_progress__ops->finish();
}