perf_counters: powerpc: Add support for POWER7 processors

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This adds the back-end for the PMU on POWER7 processors.  POWER7
has 4 fully-programmable counters and two fixed-function counters
(which do respect the freeze conditions, can generate interrupts,
and are writable, unlike PMC5/6 on POWER5+/6).

Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <18992.36329.189378.17992@drongo.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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This commit is contained in:

Paul Mackerras 2009-06-11 14:54:01 +10:00 • committed by Ingo Molnar

parent 9e350de37a

commit 4da52960fd

3 changed files with 322 additions and 1 deletions

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3

arch/powerpc/kernel/Makefile

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4

arch/powerpc/kernel/perf_counter.c

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316

arch/powerpc/kernel/power7-pmu.c

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