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(parent: 9ac33c2) | patch
perf_counter: Fix software counters for fast moving event sources
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Wed, 22 Jul 2009 07:29:32 +0000 (09:29 +0200)
committerIngo Molnar <mingo@elte.hu>
Sun, 9 Aug 2009 10:54:30 +0000 (12:54 +0200)
commit2c307c4873beadd4c462dc18bc38a4be01f34168
tree663ff8dc6b7b11fcfbfaf6e24e146e2e29b3489ctree | snapshot
parent9ac33c25fa8d8e786d0949bd650b0c522090563ecommit | diff
perf_counter: Fix software counters for fast moving event sources

Reimplement the software counters to deal with fast moving
event sources (such as tracepoints). This means being able
to generate multiple overflows from a single 'event' as well
as support throttling.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_counter.c diff | blob | history
Linux Kernel Source Tree.