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authorPeter Zijlstra2010-01-28 13:57:44 +0100
committerIngo Molnar2010-02-04 09:59:49 +0100
commit9717e6cd3db22eade7dbae0fc9235c66325a7132 (patch)
tree7227e92b67e91d6b7b8270e397cdf9e1e245a789 /kernel/itimer.c
parentf24bb999d2b9f2950e5cac5b69bffedf73c24ea4 (diff)
perf_events: Optimize perf_event_task_tick()
Pretty much all of the calls do perf_disable/perf_enable cycles, pull that out to cut back on hardware programming. 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> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/itimer.c')
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