Examples with OperatingSystem oshi.software.os.OperatingSystem used on opensource projects

Example 1 with OperatingSystem

use of oshi.software.os.OperatingSystem in project buck by facebook.

the class ProcessHelper method getProcessResourceConsumption.

/**
   * Gets resource consumption of the process with the given pid.
   */
@Nullable
public ProcessResourceConsumption getProcessResourceConsumption(long pid) {
    try {
        OperatingSystem os = OSHI.getOperatingSystem();
        OSProcess process = os.getProcess((int) pid);
        return getProcessResourceConsumptionInternal(process);
    } catch (Exception ex) {
        // do nothing
        return null;
    }
}

Example 2 with OperatingSystem

use of oshi.software.os.OperatingSystem in project graylog2-server by Graylog2.

the class OshiProcessProbe method processStats.

@Override
public ProcessStats processStats() {
    final OperatingSystem os = service.getOs();
    final FileSystem fs = os.getFileSystem();
    final long pid = os.getProcessId();
    final OSProcess proc = os.getProcess(os.getProcessId());
    final ProcessStats.Cpu cpu = ProcessStats.Cpu.create(((short) proc.getProcessCpuLoadCumulative()), proc.getKernelTime(), proc.getUserTime(), proc.getUpTime());
    final ProcessStats.Memory mem = ProcessStats.Memory.create(proc.getVirtualSize(), proc.getResidentSetSize(), -1);
    return ProcessStats.create(pid, fs.getOpenFileDescriptors(), fs.getMaxFileDescriptors(), cpu, mem);
}

Example 3 with OperatingSystem

use of oshi.software.os.OperatingSystem in project UniversalMediaServer by UniversalMediaServer.

the class SystemInformation method getSystemInfo.

/**
 * Collects and returns system information.
 *
 * @return A {@link List} of {@link String}s containing the collected system
 *         information.
 */
public static List<String> getSystemInfo() {
    List<String> result = new ArrayList<>();
    StringBuilder sb = new StringBuilder();
    long jvmMemory = Runtime.getRuntime().maxMemory();
    OperatingSystem os = null;
    CentralProcessor processor = null;
    GlobalMemory memory = null;
    try {
        SystemInfo systemInfo = new SystemInfo();
        HardwareAbstractionLayer hardware = systemInfo.getHardware();
        os = systemInfo.getOperatingSystem();
        processor = hardware.getProcessor();
        memory = hardware.getMemory();
    } catch (Error e) {
        LOGGER.debug("Could not retrieve system information: {}", e.getMessage());
        LOGGER.trace("", e);
    }
    sb.append("JVM: ").append(System.getProperty("java.vm.name")).append(" ").append(System.getProperty("java.version")).append(" (").append(System.getProperty("sun.arch.data.model")).append("-bit) by ").append(System.getProperty("java.vendor"));
    result.add(sb.toString());
    sb.setLength(0);
    sb.append("OS: ");
    if (os != null && isNotBlank(os.toString())) {
        sb.append(os.toString()).append(" ").append(getOSBitness()).append("-bit");
    } else {
        sb.append(System.getProperty("os.name")).append(" ").append(getOSBitness()).append("-bit ");
        sb.append(System.getProperty("os.version"));
    }
    result.add(sb.toString());
    sb.setLength(0);
    if (processor != null) {
        sb.append("CPU: ").append(processor.getName()).append(" with ").append(processor.getPhysicalProcessorCount());
        if (processor.getPhysicalProcessorCount() > 1) {
            sb.append(" cores");
        } else {
            sb.append(" core");
        }
        if (processor.getLogicalProcessorCount() != processor.getPhysicalProcessorCount()) {
            sb.append(" (").append(processor.getLogicalProcessorCount());
            if (processor.getLogicalProcessorCount() > 1) {
                sb.append(" virtual cores)");
            } else {
                sb.append(" virtual core)");
            }
        }
        result.add(sb.toString());
        sb.setLength(0);
    }
    if (memory != null) {
        sb.append("Physical Memory: ").append(StringUtil.formatBytes(memory.getTotal(), true));
        result.add(sb.toString());
        sb.setLength(0);
        sb.append("Free Memory: ").append(StringUtil.formatBytes(memory.getAvailable(), true));
        result.add(sb.toString());
        sb.setLength(0);
    }
    sb.append("Maximum JVM Memory: ");
    if (jvmMemory == Long.MAX_VALUE) {
        sb.append("Unlimited");
    } else {
        sb.append(StringUtil.formatBytes(jvmMemory, true));
    }
    result.add(sb.toString());
    return result;
}

Example 4 with OperatingSystem

use of oshi.software.os.OperatingSystem in project graylog2-server by Graylog2.

the class OshiFsProbe method init.

private void init() {
    final OperatingSystem os = service.getOs();
    final FileSystem fileSystem = os.getFileSystem();
    final HardwareAbstractionLayer hardware = service.getHal();
    for (Path location : locations) {
        Path path = location.toAbsolutePath();
        oshiFileSystems.put(path, fileSystem.getFileStores().stream().filter(fs -> path.startsWith(fs.getMount())).max(Comparator.comparingInt(p -> Paths.get(p.getMount()).getNameCount())).map(fs -> {
            // First try search for the diskstore with the logical volume or volume name
            Optional<HWDiskStore> diskStore = hardware.getDiskStores().stream().filter(ds -> ds.getName().equals(StringUtils.defaultIfEmpty(fs.getLogicalVolume(), fs.getVolume()))).findFirst();
            if (diskStore.isPresent()) {
                return new Pair<>(fs, diskStore.get());
            }
            // Try to search for the diskstore with the partition of our mountpoint
            diskStore = hardware.getDiskStores().stream().filter(ds -> ds.getPartitions().stream().anyMatch(part -> path.startsWith(part.getMountPoint()))).max(Comparator.comparingInt(ds -> ds.getPartitions().stream().filter(part -> path.startsWith(part.getMountPoint())).mapToInt(part -> Paths.get(part.getMountPoint()).getNameCount()).max().orElse(0)));
            if (diskStore.isPresent()) {
                return new Pair<>(fs, diskStore.get());
            }
            return new Pair<>(fs, generateDummyDiskStore());
        }).orElse(new Pair<>(generateDummyFileStore(), generateDummyDiskStore())));
    }
}

Example 5 with OperatingSystem

use of oshi.software.os.OperatingSystem in project yyl_example by Relucent.

the class OshiExample method main.

public static void main(String[] args) {
    SystemInfo si = new SystemInfo();
    HardwareAbstractionLayer hal = si.getHardware();
    OperatingSystem os = si.getOperatingSystem();
    infoPlatform(si);
    infoIdentifier(si);
    infoCpu(si);
    infoMemory(hal.getMemory());
    infoFileSystem(os.getFileSystem());
}