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>
diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c
index d753821..a0f24c7 100644
--- a/tools/perf/ui/progress.c
+++ b/tools/perf/ui/progress.c
@@ -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 @@
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)