Performance Counter For Instruction Cache Misses Does; Not Increment For Sequential Prefetches - AMD 3200 - Athlon 64 2.0 GHz Processor Manual

Revision Guide for AMD Family h Models h- Fh Processors Rev October

Performance Counter for Instruction Cache Misses Does

Not Increment for Sequential Prefetches

Description
PMCx Instruction Cache Misses does not increment for L instruction cache misses that are due to
sequential prefetches
Potential Effect on System
Performance monitoring software may undercount instruction cache misses
Suggested Workaround
Performance monitoring software may use the difference of PMCx and PMCx as a close approximation
of instruction cache misses
Fix Planned
Yes
Product Errata