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/*
* DEBUG: section 54 Interprocess Communication
*
*/
#include "squid.h"
#include "base/TextException.h"
#include "CpuAffinityMap.h"
#include "CpuAffinitySet.h"
#include "Debug.h"
bool
CpuAffinityMap::add(const Vector<int> &aProcesses, const Vector<int> &aCores)
{
if (aProcesses.size() != aCores.size())
return false;
for (size_t i = 0; i < aProcesses.size(); ++i) {
const int process = aProcesses[i];
const int core = aCores[i];
if (process <= 0 || core <= 0)
return false;
theProcesses.push_back(process);
theCores.push_back(core);
}
return true;
}
CpuAffinitySet *
CpuAffinityMap::calculateSet(const int targetProcess) const
{
Must(theProcesses.size() == theCores.size());
int core = 0;
for (size_t i = 0; i < theProcesses.size(); ++i) {
const int process = theProcesses[i];
if (process == targetProcess) {
if (core > 0) {
debugs(54, DBG_CRITICAL, "WARNING: conflicting "
"'cpu_affinity_map' for process number " << process <<
", using the last core seen: " << theCores[i]);
}
core = theCores[i];
}
}
CpuAffinitySet *cpuAffinitySet = NULL;
if (core > 0) {
cpuAffinitySet = new CpuAffinitySet;
cpu_set_t cpuSet;
CPU_ZERO(&cpuSet);
CPU_SET(core - 1, &cpuSet);
cpuAffinitySet->set(cpuSet);
}
return cpuAffinitySet;
}
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