[PATCH] x86-64: add X86_FEATURE_PEBS and detection

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Here is a patch (used by perfmon2) to detect the presence of the
Precise Event Based Sampling (PEBS) feature for Intel 64-bit processors.
The patch also adds the cpu_has_pebs macro.

changelog:
	- adds X86_FEATURE_PEBS
	- adds cpu_has_pebs to test for X86_FEATURE_PEBS

Signed-off-by: stephane eranian <eranian@hpl.hp.com>
Signed-off-by: Andi Kleen <ak@suse.de>

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This commit is contained in:

Stephane Eranian 2006-12-07 02:14:01 +01:00 • committed by Andi Kleen

parent bd1d599518

commit 36b2a8d5af

2 changed files with 9 additions and 0 deletions

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7

arch/x86_64/kernel/setup.c

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2

include/asm-x86_64/cpufeature.h

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