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perf, x86: Implement IBS initialization

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This patch implements IBS feature detection and initialzation. The
code is shared between perf and oprofile. If IBS is available on the
system for perf, a pmu is setup.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1316597423-25723-3-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Robert Richter
2011-09-21 11:30:18 +02:00
committed by Ingo Molnar
parent ee5789dbcc
commit b716916679
6 changed files with 297 additions and 201 deletions
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arch/x86/oprofile/op_x86_model.h
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@@ -43,7 +43,6 @@ struct op_x86_model_spec {
int (*fill_in_addresses)(struct op_msrs * const msrs);
void (*setup_ctrs)(struct op_x86_model_spec const *model,
struct op_msrs const * const msrs);
void (*cpu_down)(void);
int (*check_ctrs)(struct pt_regs * const regs,
struct op_msrs const * const msrs);
void (*start)(struct op_msrs const * const msrs);