pmcstat(8) on FreeBSD
The text 4dd1c58a25a9, as FreeBSD 7.3-RELEASE shipped it.
performance measurement with performance monitoring hardware
Flags it lists
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-C -
-D -
-E -
-G -
-M -
-N -
-O -
-P -
-R -
-S -
-W -
-c -
-d -
-g -
-k -
-m -
-n -
-o -
-p -
-q -
-r -
-s -
-t -
-v -
-w -
-z