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由 Stephane Eranian 提交于
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: Nstephane eranian <eranian@hpl.hp.com> Signed-off-by: NAndi Kleen <ak@suse.de>
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