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Product Errata 41

Revision Guide for AMD Family 10h Processors

41322 Rev. 3.16 February 2008

301 Performance Counters Do Not Accurately Count MFENCE or

SFENCE Instructions

Description

MFENCE and SFENCE instructions are not accurately counted by the performance monitor when

MSRC001_000[3:0][7:0] (EventSelect) is 1D4h, or 1D5h.

Potential Effect on System

Performance monitoring software will not be able to count MFENCE and SFENCE instructions.

Suggested Workaround

None.

Fix Planned

Yes

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AMD HD8650WCGHBOX Datenblatt Seite 41