cpusleep plugin: adding comment regarding units

diff --git a/src/cpusleep.c b/src/cpusleep.c
index 7cf2227..9a0e17e 100644 (file)
--- a/src/cpusleep.c
+++ b/src/cpusleep.c
@@ -70,7 +70,7 @@ static int cpusleep_read(void)
        }
 
        // to avoid false positives in counter overflow due to reboot,
-       // derive is used
+       // derive is used. Sleep is calculated in milliseconds
        derive_t sleep = (derive_t) ((b.tv_sec - m.tv_sec)*1e3 + (b.tv_nsec - m.tv_nsec)*1e-6);  
 
        cpusleep_submit(sleep);