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perf_counter: Fix frequency adjustment for < HZ

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Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-06-05 18:01:29 +02:00 • committed by Ingo Molnar
parent 689802b2d0
commit 6a24ed6c60
2 changed files with 28 additions and 7 deletions
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3
include/linux/perf_counter.h
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@ -373,6 +373,9 @@ struct hw_perf_counter {
u64 sample_period;
atomic64_t period_left;
u64 interrupts;
u64 freq_count;
u64 freq_interrupts;
#endif
};