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#include "cpu.h"
#include "common/sysctl.h"
#include "common/strutil.h"
#include <errno.h>
#include <sys/time.h>
#include <sys/sensors.h>
static const char* detectCPUTemp(const FFCPUOptions* options, FFCPUResult* cpu) {
int mib[5] = { CTL_HW, HW_SENSORS, 0, SENSOR_TEMP, 0 };
for (mib[2] = 0; mib[2] < 1024; mib[2]++) {
struct sensordev sensordev;
size_t sdlen = sizeof(struct sensordev);
if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) < 0) {
if (errno == ENOENT) {
break;
}
if (errno == ENXIO) {
continue;
}
return "sysctl(sensordev) failed";
}
if (options->tempSensor.length > 0) {
if (!ffStrbufEqualS(&options->tempSensor, sensordev.xname)) {
continue;
}
} else {
if (!ffStrStartsWith(sensordev.xname, "cpu")) {
continue;
}
}
for (mib[4] = 0; mib[4] < sensordev.maxnumt[SENSOR_TEMP]; mib[4]++) {
struct sensor sensor;
size_t slen = sizeof(struct sensor);
if (sysctl(mib, 5, &sensor, &slen, NULL, 0) < 0) {
if (errno != ENOENT) {
return "sysctl(sensor) failed";
}
continue;
}
if (sensor.flags & SENSOR_FINVALID) {
continue;
}
cpu->temperature = (double) (sensor.value - 273150000) / 1E6;
return NULL;
}
}
return "No sensor for CPU temp found";
}
const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu) {
if (ffSysctlGetString(CTL_HW, HW_MODEL, &cpu->name)) {
return "sysctl(hw.model) failed";
}
cpu->coresPhysical = (uint16_t) ffSysctlGetInt(CTL_HW, HW_NCPU, 1);
cpu->coresLogical = cpu->coresPhysical;
cpu->coresOnline = (uint16_t) ffSysctlGetInt(CTL_HW, HW_NCPUONLINE, cpu->coresLogical);
ffCPUDetectByCpuid(cpu);
uint32_t cpuspeed = (uint32_t) ffSysctlGetInt(CTL_HW, HW_CPUSPEED, 0);
if (cpuspeed > cpu->frequencyBase) {
cpu->frequencyBase = cpuspeed;
}
cpu->temperature = FF_CPU_TEMP_UNSET;
if (options->temp) {
detectCPUTemp(options, cpu);
}
return NULL;
}
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