/**
The acquisition of the current CPU information.
Distance of around one second is necessary for a second summons.
@params infos Write back by CPU information.
There being more numbers of element of the sequence than the number of CPU cores.
@return infos
*/
CpuCoreInfo* cpumon_getInfos(CpuCoreInfo* infos) {
int n;
long used[coreNum];
if (infos == NULL) {
infos = calloc(coreNum, sizeof(CpuCoreInfo));
if (infos == NULL) error(__LINE__);
}
calcCpuTimes(used);
for (n=0; n<coreNum; n++) {
infos[n].freq = (int)getSysctl(mibFreq[n]);
infos[n].temp = (int)getSysctl(mibTemp[n]) - 2732; // K->C
infos[n].used = used[n];
}
return infos;
}
/**
The initialization of this library.
@return number of cpu core.
*/
int cpumon_init() {
int n;
mibCoreNum = getSysctlMib(NAME_CORE_NUM,0);
mibCpuTimes = getSysctlMib(NAME_CPU_TIMES,0);
coreNum = (int)getSysctl(mibCoreNum);
for (n=0; n<coreNum; n++) {
mibTemp[n] = getSysctlMib(NAME_TEMP,n);
mibFreq[n] = getSysctlMib(NAME_FREQ,n);
}
long used[coreNum];
calcCpuTimes(used);
return coreNum;
}
int UtilObject::cores() { static const int count = getSysctl(HW_NCPU, 1); return count; }
double UtilObject::totalMemory(MemoryUnit unit) {
static const quint64 total = getSysctl(HW_MEMSIZE, (quint64)0);
return total/(double)unit;
}
