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perf ui progress: Per progress bar state

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2013-10-23 15:40:38 -03:00
parent 4779a2e99a
commit 4d3001fdfd
5 changed files with 47 additions and 30 deletions
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22
tools/perf/ui/progress.c
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@@ -1,9 +1,7 @@
#include "../cache.h"
#include "progress.h"
static void null_progress__update(u64 curr __maybe_unused,
u64 total __maybe_unused,
const char *title __maybe_unused)
static void null_progress__update(struct ui_progress *p __maybe_unused)
{
}
@@ -14,9 +12,23 @@ static struct ui_progress_ops null_progress__ops =
struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
void ui_progress__update(u64 curr, u64 total, const char *title)
void ui_progress__update(struct ui_progress *p, u64 adv)
{
return ui_progress__ops->update(curr, total, title);
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)