doc/utils: add more examples for valid time duration

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

diff --git a/doc/utils.texi b/doc/utils.texi
index 05a2f81626e479b8c0110fea007c4a71a19e45b9..e7a9b40b354647a968ea34d01b59cbea9ec5c95d 100644 (file)
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -126,6 +126,15 @@ The following examples are all valid time duration:
 @item 55
 55 seconds
 
+@item 0.2
+0.2 seconds
+
+@item 200ms
+200 milliseconds, that's 0.2s
+
+@item 200000us
+200000 microseconds, that's 0.2s
+
 @item 12:03:45
 12 hours, 03 minutes and 45 seconds