diff -ur sysstat-10.1.5.orig/man/iostat.in sysstat-10.1.5/man/iostat.in --- sysstat-10.1.5.orig/man/iostat.in 2012-11-27 21:20:34.000000000 +0100 +++ sysstat-10.1.5/man/iostat.in 2014-11-11 17:44:29.563840350 +0100 @@ -264,7 +264,7 @@ .RE .B %util .RS -Percentage of CPU time during which I/O requests were issued to the device +Percentage of elapsed time during which I/O requests were issued to the device (bandwidth utilization for the device). Device saturation occurs when this value is close to 100%. .RE diff -ur sysstat-10.1.5.orig/man/sar.in sysstat-10.1.5/man/sar.in --- sysstat-10.1.5.orig/man/sar.in 2012-09-30 15:11:06.000000000 +0200 +++ sysstat-10.1.5/man/sar.in 2014-11-11 17:45:00.682712161 +0100 @@ -306,7 +306,7 @@ .B %util .RS -Percentage of CPU time during which I/O requests were issued to the device +Percentage of elapsed time during which I/O requests were issued to the device (bandwidth utilization for the device). Device saturation occurs when this value is close to 100%. .RE