[PATCH] i386: i386 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 i386.  The patch also adds the cpu_has_pebs
macro.

- 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>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>

...

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

parent d7731c0ff6

commit 42ed458aa5

2 changed files with 9 additions and 1 deletions

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8

arch/i386/kernel/cpu/intel.c

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2

include/asm-i386/cpufeature.h

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