Matt Macy bfb46e2ba8 pmc: add filter command
pmc filter allows the user to select event types, threads, and processes from
a sample.

% pmcstat -S unhalted_core_cycles -S llc-misses -S -S  resource_stalls.any -O pmc.log
% pmc filter -e llc-misses pmc.log pmc-llc-misses.log
% pmc filter -e unhalted_core_cycles -t 100339  pmc.log pmc-core-cycles.log
etc...
% pmcstat -R pmc-core-cycles.log -G pmc-core-cycles.stacks
2018-06-04 04:59:48 +00:00
..
2018-02-09 21:49:38 +00:00
2017-10-31 00:07:04 +00:00
2017-10-31 00:07:04 +00:00
2017-10-31 00:07:04 +00:00
2018-05-08 21:14:29 +00:00
2017-11-30 20:33:45 +00:00
2018-04-12 14:32:26 +00:00
2017-11-30 20:33:45 +00:00
2018-05-31 09:11:21 +00:00
2018-01-05 08:29:32 +00:00
2018-05-28 09:41:44 +00:00
2017-12-28 05:34:04 +00:00
2018-01-02 16:50:57 +00:00
2018-05-16 02:58:05 +00:00
2017-10-29 08:17:03 +00:00
2017-10-31 00:07:04 +00:00
2018-05-23 09:46:21 +00:00
2018-02-23 17:20:53 +00:00
2018-05-19 20:57:22 +00:00
2018-02-03 20:53:21 +00:00
2017-10-31 00:07:04 +00:00
2017-10-31 00:07:04 +00:00
2018-02-28 07:59:55 +00:00
2018-06-04 04:59:48 +00:00
2018-03-17 12:59:55 +00:00
2018-05-11 00:01:43 +00:00
2018-03-19 05:49:26 +00:00
2018-05-11 00:01:43 +00:00
2018-06-01 04:14:16 +00:00
2018-02-08 14:53:34 +00:00
2017-10-31 00:07:04 +00:00
2017-01-28 02:22:15 +00:00