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-rw-r--r--tools/perf/ui/progress.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/perf/ui/progress.c b/tools/perf/ui/progress.c
new file mode 100644
index 000000000..99d60223c
--- /dev/null
+++ b/tools/perf/ui/progress.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.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, bool size)
+{
+ p->curr = 0;
+ p->next = p->step = total / 16 ?: 1;
+ p->total = total;
+ p->title = title;
+ p->size = size;
+
+ if (ui_progress__ops->init)
+ ui_progress__ops->init(p);
+}
+
+void ui_progress__finish(void)
+{
+ if (ui_progress__ops->finish)
+ ui_progress__ops->finish();
+}