Linux Operating System Source Code: IBM Patches

 
Scalable Statistics Counters
Description:
Statistics counters are used in many places in the linux kernel including storage and network I/O subsystems, scheduler etc. Since accuracy is not very important, these counters are non-atomic, but they result in cache line bouncing among CPUs. Scalable Statistics Counter is a feature that provides the support for a low cache-penalty counter that can be used for statistics gathering.
Developers:
Dipankar Sarma, Ravikiran G. Thirumalai
Status:
Submitted to project
Release Notes Date Files
2.4.18 Release Notes 2002-06-24  
  File Notes   statctr-2.4.18-5.patch.gz
  File Notes   statctrusage.2.4.18-3.patch.gz

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