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(parent: 948b26b) | patch
perf: Do not compute time values unnecessarily
authorPeter Zijlstra <peterz@infradead.org>
Fri, 2 Aug 2013 19:16:30 +0000 (21:16 +0200)
committerIngo Molnar <mingo@kernel.org>
Fri, 16 Aug 2013 15:55:52 +0000 (17:55 +0200)
commit5ec4c599a52362896c3e7c6a31ba6145dca9c6f5
tree840686d157743f4e255eac2162cf57579bd98953tree | snapshot
parent948b26b6ddd08a57cb95ebb0dc96fde2edd5c383commit | diff
perf: Do not compute time values unnecessarily

We should not be calling calc_timer_values() for events that do not actually
have an mmap()'ed userpage.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130802191630.GT27162@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/core.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)