[PATCH 5/5] arm/perfevents: implement perf event support for ARMv6

Peter Zijlstra peterz at infradead.org
Tue Dec 15 10:30:13 EST 2009


On Tue, 2009-12-15 at 15:19 +0000, Jamie Iles wrote:
> Another problem with mpcore support is that
> with the v6 performance counters, you can't disable a single event
> counter. 

Can you program them with a non-counting event?

On x86 there's various ways of doing that, either by selecting an event
that simply doesn't count (cache-misses with 0 MESI mask), or by telling
it to mask both user and kernel event.





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