Peter Zijlstra d4944a0666 perf: Provide better condition for event rotation
Try to avoid useless rotation and PMU disables.

[ Could be improved by keeping a nr_runnable count to better account
  for the < PERF_STAT_INACTIVE counters ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-03-10 13:22:36 +01:00
..
2009-09-21 14:29:21 +02:00
2009-12-15 08:53:10 -08:00
2010-03-03 14:07:57 -05:00
2010-02-25 12:02:13 +01:00
2009-12-06 21:10:56 +01:00
2010-02-03 10:21:57 +11:00
2009-09-18 09:48:52 -07:00
2010-03-06 11:26:33 -08:00
2009-12-14 23:55:34 +01:00
2010-01-21 13:40:18 +01:00
2009-07-24 10:53:29 +02:00
2010-02-10 17:47:17 -08:00
2010-02-26 08:20:46 +01:00
2010-03-06 11:26:32 -08:00
2009-12-09 10:03:07 +01:00
2010-03-06 11:26:33 -08:00
2010-03-06 11:26:33 -08:00
2010-02-18 14:30:18 -08:00
2009-12-22 14:10:37 -08:00
2010-03-06 11:26:23 -08:00
2009-09-23 18:13:10 -07:00
2010-01-21 13:40:18 +01:00