sparc64: Add a basic conflict engine in preparation for multi-counter support.

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The hardware counter ->event_base state records and encoding of
the "struct perf_event_map" entry used for the event.

We use this to make sure that when we have more than 1 event,
both can be scheduled into the hardware at the same time.

As usual, structure of code is largely cribbed from powerpc.

Signed-off-by: David S. Miller <davem@davemloft.net>

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David S. Miller 2009-09-28 17:35:20 -07:00

parent 1b6b9d6247

commit a72a8a5f2e

1 changed files with 64 additions and 5 deletions

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arch/sparc/kernel/perf_event.c

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