pt-ioprofile(1p) on Linux
The text cca8eacb9781, as Debian 7 (Wheezy) shipped it.
Watch process IO and print a table of file and I/O activity.
Flags it lists
-
--aggregate -
--cell -
--group-by -
--help -
--profile-pid -
--profile-process -
--run-time -
--save-samples -
--version