pmlogsummary(1) on Linux
The text ad11e915ce1b, as Debian 5.0 (Lenny) shipped it.
calculate averages of metrics stored in a PCP archive
Flags it lists
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-B -
-F -
-I -
-M -
-N -
-a -
-b -
-f -
-i -
-l -
-m -
-p -
-s -
-x -
-y