6824918 timestamp option for xxstat commands
PSARC/2009/307 Time Stamp Option for xxstat Commands Phase II
Contributed by Chad Mynhier <cmynhier@gmail.com>

PSARC/2009/105 Time stamp option for xxstat commands
4775687 would like a timestamp option like iostat has added to mpstat, vmstat and prstat
Contributed by Chad Mynhier <cmynhier@gmail.com>

6611108 vmstat, mpstat, iostat and fsstat's intervals drift