CpuAffinitySet Class Reference

cpu affinity management for a single process More...

#include <CpuAffinitySet.h>

Collaboration diagram for CpuAffinitySet:

Public Member Functions
	CpuAffinitySet ()
void	apply ()
	set CPU affinity for this process
void	undo ()
	undo CPU affinity changes for this process
bool	applied ()
	whether apply() was called and was not undone
void	set (const cpu_set_t &aCpuSet)
	set CPU affinity mask

Private Attributes
cpu_set_t	theCpuSet
	configured CPU affinity for this process
cpu_set_t	theOrigCpuSet
	CPU affinity for this process before apply()

Detailed Description

Definition at line 15 of file CpuAffinitySet.h.

Constructor & Destructor Documentation

CpuAffinitySet()

CpuAffinitySet::CpuAffinitySet

(

)

Definition at line 20 of file CpuAffinitySet.cc.

References CPU_ZERO, theCpuSet, and theOrigCpuSet.

Member Function Documentation

applied()

bool CpuAffinitySet::applied

(

)

Definition at line 72 of file CpuAffinitySet.cc.

References CPU_COUNT, and theOrigCpuSet.

Referenced by apply(), and undo().

apply()

void CpuAffinitySet::apply

(

)

Definition at line 27 of file CpuAffinitySet.cc.

References applied(), CPU_AND, CPU_COUNT, CPU_ZERO, DBG_IMPORTANT, debugs, Must, sched_getaffinity(), sched_setaffinity(), theCpuSet, theOrigCpuSet, and xstrerr().

Referenced by CpuAffinityInit().

set()

void CpuAffinitySet::set

(

const cpu_set_t &

aCpuSet

)

Definition at line 81 of file CpuAffinitySet.cc.

References theCpuSet.

Referenced by CpuAffinityMap::calculateSet().

undo()

void CpuAffinitySet::undo

(

)

Definition at line 58 of file CpuAffinitySet.cc.

References applied(), CPU_ZERO, DBG_IMPORTANT, debugs, sched_setaffinity(), theOrigCpuSet, and xstrerr().

Referenced by CpuAffinityReconfigure().

Member Data Documentation

theCpuSet

cpu_set_t CpuAffinitySet::theCpuSet

private

Definition at line 33 of file CpuAffinitySet.h.

Referenced by CpuAffinitySet(), apply(), and set().

theOrigCpuSet

cpu_set_t CpuAffinitySet::theOrigCpuSet

private

Definition at line 34 of file CpuAffinitySet.h.

Referenced by CpuAffinitySet(), applied(), apply(), and undo().

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The documentation for this class was generated from the following files:

• squid/src/CpuAffinitySet.h
• squid/src/CpuAffinitySet.cc