/** {@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;
}
/** {@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;
}
