CpuInfo getCpuInfo()
{
CpuInfo cpuInfo;
cpuInfo.m_cpuBrand = getCpuBrand();
cpuInfo.m_processorPackageCount = getCpuCount();
cpuInfo.m_coreCount = getCpuCoreCount();
cpuInfo.m_processSpeed = getCpuSpeed();
return cpuInfo;
}
int readCpuCounters(SFLHost_cpu_counters *cpu)
{
int gotData = NO;
uint64_t val64;
size_t len;
double load[3];
long cp_time[CPUSTATES];
uint32_t stathz = sysconf(_SC_CLK_TCK);
#define STATHZ_TO_MS(t) (((t) * 1000) / stathz)
getloadavg(load, 3);
cpu->load_one = (float)load[0];
cpu->load_five = (float)load[1];
cpu->load_fifteen = (float)load[2];
cpu->proc_run = (uint32_t)getRunningProcesses();
cpu->proc_total = (uint32_t)getTotalProcesses();
if (getSys64("hw.ncpu", &val64)) cpu->cpu_num = (uint32_t)val64;
cpu->cpu_speed = (uint32_t) getCpuSpeed();
/* puts kern.cp_time array into cp_time */
/* constants are defined in sys/dkstat.h */
len = sizeof(cp_time);
if (sysctlbyname("kern.cp_time", &cp_time, &len, NULL, 0) != -1) {
// len should be 20. is it really an array of long, though?
// might want to just read up to 40 bytes and then see what we get.
// myLog(LOG_INFO, "kerm.cp_time len=%u", len);
cpu->cpu_user = STATHZ_TO_MS(cp_time[CP_USER]);
cpu->cpu_nice = STATHZ_TO_MS(cp_time[CP_NICE]);
cpu->cpu_system = STATHZ_TO_MS(cp_time[CP_SYS]);
cpu->cpu_idle = STATHZ_TO_MS(cp_time[CP_IDLE]);
cpu->cpu_intr = STATHZ_TO_MS(cp_time[CP_INTR]);
}
cpu->cpu_wio = (uint32_t)-1; // unsupported
// note "vm.stats.sys.v_soft" gives us the number of soft interrupts, not the time spent
cpu->cpu_sintr = (uint32_t)-1; // unsupported
if(getSys64("vm.stats.sys.v_intr", &val64)) cpu->interrupts = (uint32_t)val64;
if(getSys64("vm.stats.sys.v_swtch", &val64)) cpu->contexts = (uint32_t)val64;
gotData = YES;
return gotData;
}
