v4.19.13 snapshot.
diff --git a/tools/perf/ui/tui/progress.c b/tools/perf/ui/tui/progress.c
new file mode 100644
index 0000000..bc134b8
--- /dev/null
+++ b/tools/perf/ui/tui/progress.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kernel.h>
+#include "../cache.h"
+#include "../progress.h"
+#include "../libslang.h"
+#include "../ui.h"
+#include "tui.h"
+#include "units.h"
+#include "../browser.h"
+
+static void __tui_progress__init(struct ui_progress *p)
+{
+ p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
+}
+
+static int get_title(struct ui_progress *p, char *buf, size_t size)
+{
+ char buf_cur[20];
+ char buf_tot[20];
+ int ret;
+
+ ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr);
+ ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total);
+
+ return ret + scnprintf(buf, size, "%s [%s/%s]",
+ p->title, buf_cur, buf_tot);
+}
+
+static void tui_progress__update(struct ui_progress *p)
+{
+ char buf[100], *title = (char *) p->title;
+ int bar, y;
+ /*
+ * FIXME: We should have a per UI backend way of showing progress,
+ * stdio will just show a percentage as NN%, etc.
+ */
+ if (use_browser <= 0)
+ return;
+
+ if (p->total == 0)
+ return;
+
+ if (p->size) {
+ get_title(p, buf, sizeof(buf));
+ title = buf;
+ }
+
+ ui__refresh_dimensions(false);
+ pthread_mutex_lock(&ui__lock);
+ y = SLtt_Screen_Rows / 2 - 2;
+ SLsmg_set_color(0);
+ SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols);
+ SLsmg_gotorc(y++, 1);
+ SLsmg_write_string(title);
+ SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' ');
+ SLsmg_set_color(HE_COLORSET_SELECTED);
+ bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total;
+ SLsmg_fill_region(y, 1, 1, bar, ' ');
+ SLsmg_refresh();
+ pthread_mutex_unlock(&ui__lock);
+}
+
+static void tui_progress__finish(void)
+{
+ int y;
+
+ if (use_browser <= 0)
+ return;
+
+ ui__refresh_dimensions(false);
+ pthread_mutex_lock(&ui__lock);
+ y = SLtt_Screen_Rows / 2 - 2;
+ SLsmg_set_color(0);
+ SLsmg_fill_region(y, 0, 3, SLtt_Screen_Cols, ' ');
+ SLsmg_refresh();
+ pthread_mutex_unlock(&ui__lock);
+}
+
+static struct ui_progress_ops tui_progress__ops = {
+ .init = __tui_progress__init,
+ .update = tui_progress__update,
+ .finish = tui_progress__finish,
+};
+
+void tui_progress__init(void)
+{
+ ui_progress__ops = &tui_progress__ops;
+}