draw-timestamp-chart.py: fix ms_to_hr_min() bug

Signed-off-by: Arthur She <arthur.she@linaro.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/draw-timestamp-chart.py b/draw-timestamp-chart.py
index e87dd0f..58be590 100755
--- a/draw-timestamp-chart.py
+++ b/draw-timestamp-chart.py
@@ -92,6 +92,9 @@ def ms_to_hr_min(millisecond):
     sec = millisecond // 1000
     hr = sec // (60 * 60)
     min = round((sec % (60 * 60)) / 60)
+    if (min == 60):
+        hr += 1
+        min = 0
     return f"{hr} hr {min} min"
 
 if __name__ == "__main__":