/** {@inheritDoc} */
@Override
public long[][] getProcessorCpuLoadTicks() {
long[][] ticks = new long[logicalProcessorCount][4];
int machPort = SystemB.INSTANCE.mach_host_self();
IntByReference procCount = new IntByReference();
PointerByReference procCpuLoadInfo = new PointerByReference();
IntByReference procInfoCount = new IntByReference();
if (0
!= SystemB.INSTANCE.host_processor_info(
machPort, SystemB.PROCESSOR_CPU_LOAD_INFO, procCount, procCpuLoadInfo, procInfoCount)) {
LOG.error("Failed to update CPU Load. Error code: " + Native.getLastError());
return ticks;
}
int[] cpuTicks = procCpuLoadInfo.getValue().getIntArray(0, procInfoCount.getValue());
for (int cpu = 0; cpu < procCount.getValue(); cpu++) {
for (int j = 0; j < 4; j++) {
int offset = cpu * SystemB.CPU_STATE_MAX;
ticks[cpu][0] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_USER]);
ticks[cpu][1] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_NICE]);
ticks[cpu][2] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_SYSTEM]);
ticks[cpu][3] = FormatUtil.getUnsignedInt(cpuTicks[offset + SystemB.CPU_STATE_IDLE]);
}
}
return ticks;
}
/** Updates logical and physical processor counts from sysctl calls */
private void calculateProcessorCounts() {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
// Get number of logical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.logicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of logical CPUs. Error code: " + Native.getLastError());
this.logicalProcessorCount = 1;
} else this.logicalProcessorCount = p.getInt(0);
// Get number of physical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.physicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of physical CPUs. Error code: " + Native.getLastError());
this.physicalProcessorCount = 1;
} else this.physicalProcessorCount = p.getInt(0);
}
/** {@inheritDoc} */
@Override
public String getName() {
if (this.cpuName == null) {
IntByReference size = new IntByReference();
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.brand_string", null, size, null, 0)) {
LOG.error("Failed to get Name. Error code: " + Native.getLastError());
return "";
}
Pointer p = new Memory(size.getValue() + 1);
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.brand_string", p, size, null, 0)) {
LOG.error("Failed to get Name. Error code: " + Native.getLastError());
return "";
}
this.cpuName = p.getString(0);
}
return this.cpuName;
}
/** {@inheritDoc} */
@Override
public long getSystemUptime() {
IntByReference size = new IntByReference();
if (0 != SystemB.INSTANCE.sysctlbyname("kern.boottime", null, size, null, 0)) {
LOG.error("Failed to get Boot Time. Error code: " + Native.getLastError());
return 0L;
}
// This should point to a 16-byte structure. If not, this code is valid
if (size.getValue() != 16)
throw new UnsupportedOperationException("sysctl kern.boottime should be 16 bytes but isn't.");
Pointer p = new Memory(size.getValue() + 1);
if (0 != SystemB.INSTANCE.sysctlbyname("kern.boottime", p, size, null, 0)) {
LOG.error("Failed to get Boot Time. Error code: " + Native.getLastError());
return 0L;
}
// p now points to a 16-bit timeval structure for boot time.
// First 8 bytes are seconds, second 8 bytes are microseconds (ignore)
return System.currentTimeMillis() / 1000 - p.getLong(0);
}
/** {@inheritDoc} */
@Override
public long[] getSystemCpuLoadTicks() {
long[] ticks = new long[curTicks.length];
int machPort = SystemB.INSTANCE.mach_host_self();
HostCpuLoadInfo cpuLoadInfo = new HostCpuLoadInfo();
if (0
!= SystemB.INSTANCE.host_statistics(
machPort,
SystemB.HOST_CPU_LOAD_INFO,
cpuLoadInfo,
new IntByReference(cpuLoadInfo.size()))) {
LOG.error("Failed to get System CPU ticks. Error code: " + Native.getLastError());
return ticks;
}
// Switch order to match linux
ticks[0] = cpuLoadInfo.cpu_ticks[SystemB.CPU_STATE_USER];
ticks[1] = cpuLoadInfo.cpu_ticks[SystemB.CPU_STATE_NICE];
ticks[2] = cpuLoadInfo.cpu_ticks[SystemB.CPU_STATE_SYSTEM];
ticks[3] = cpuLoadInfo.cpu_ticks[SystemB.CPU_STATE_IDLE];
return ticks;
}
/** {@inheritDoc} */
@Override
public String getFamily() {
if (this.cpuFamily == null) {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.family", p, size, null, 0)) {
LOG.error("Failed to get Family. Error code: " + Native.getLastError());
return "";
}
this.cpuFamily = Integer.toString(p.getInt(0));
}
return this.cpuFamily;
}
/** {@inheritDoc} */
@Override
public boolean isCpu64bit() {
if (this.cpu64 == null) {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
if (0 != SystemB.INSTANCE.sysctlbyname("hw.cpu64bit_capable", p, size, null, 0)) {
LOG.error("Failed to get 64Bit_capable. Error code: " + Native.getLastError());
return false;
}
this.cpu64 = p.getInt(0) != 0;
}
return this.cpu64.booleanValue();
}
