performance counters: x86 support
authorIngo Molnar <mingo@elte.hu>
Wed, 3 Dec 2008 09:39:53 +0000 (10:39 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 8 Dec 2008 14:47:15 +0000 (15:47 +0100)
Implement performance counters for x86 Intel CPUs.

It's simplified right now: the PERFMON CPU feature is assumed,
which is available in Core2 and later Intel CPUs.

The design is flexible to be extended to more CPU types as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

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