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Java通过oshi获取系统和硬件信息
OSHI是什么
OSHI是一个基于JNA的免费的本地操作系统和Java的硬件信息库。 它不需要安装任何额外的本机库，旨在提供跨平台的实现来检索系统信息， 如操作系统版本、进程、内存和CPU使用情况、磁盘和分区、设备、传感器等。
如何使用
添加依赖
com.github.oshi oshi-core 5.3.7
主要代码
代码主要参考
https://github.com/oshi/oshi/blob/master/oshi-core/src/test/java/oshi/SystemInfoTest.java
代码如下
package com.java.system.tool;
import oshi.hardware.*;
import oshi.software.os.*;
import oshi.util.FormatUtil;
import java.util.Arrays;
import java.util.List;
public class SystemInfo {
public static void main(String[] args) {
HardwareAbstractionLayer hardware = OshiTools.getHardware();
ComputerSystem computerSystem = hardware.getComputerSystem();
printComputerSystem(computerSystem);
OperatingSystem os = OshiTools.getOs();
printOperatingSystem(os);
FileSystem fileSystem = os.getFileSystem();
printFileSystem(fileSystem);
CentralProcessor processor = hardware.getProcessor();
printProcessor(processor);
GlobalMemory memory = hardware.getMemory();
printMemory(memory);
List processes = os.getProcesses(5, OperatingSystem.ProcessSort.CPU);
printOSProcess(processes,memory);
List diskStores = hardware.getDiskStores();
printDiskStores(diskStores);
List networkIFs = hardware.getNetworkIFs();
printNetworkInterfaces(networkIFs);
NetworkParams networkParams = os.getNetworkParams();
printNetworkParameters(networkParams);
List usbDevices = hardware.getUsbDevices(true);
printUsbDevices(usbDevices);
Sensors sensors = hardware.getSensors();
printSensors(sensors);
List powerSources = hardware.getPowerSources();
printPowerSources(powerSources);
List displays = hardware.getDisplays();
printDisplay(displays);
}
public static void printComputerSystem(ComputerSystem computerSystem) {
Firmware firmware = computerSystem.getFirmware();
Baseboard baseboard = computerSystem.getBaseboard();
printTools.printAll("硬件环境", Arrays.asList("硬件制造商", "硬件型号", "硬件编码"), Arrays.asList(computerSystem.getManufacturer(), computerSystem.getModel(), computerSystem.getSerialNumber()));
printTools.printAll("固件信息", Arrays.asList("固件制造商", "固件名称", "固件版本", "固件说明", "固件日期"), Arrays.asList(firmware.getManufacturer(), firmware.getName(), firmware.getVersion(), firmware.getDescription(), firmware.getReleaseDate()));
printTools.printAll("主板信息", Arrays.asList("主板制造商", "主板型号", "主板版本", "主板编码"), Arrays.asList(baseboard.getManufacturer(), baseboard.getModel(), baseboard.getVersion(), baseboard.getSerialNumber()));
}
public static void printOperatingSystem(OperatingSystem os) {
printTools.printAll("操作系统", Arrays.asList("操作系统制造商", "操作系统", "操作系统进程数", "操作系统线程数", "操作系统开始时间", "操作系统位数", "操作系统结束时间"), Arrays.asList(os.getManufacturer(), String.valueOf(os.getFamily()), String.valueOf(os.getProcessCount()), String.valueOf(os.getThreadCount()), String.valueOf(os.getSystemBootTime()), String.valueOf(os.getBitness()), String.valueOf(os.getSystemUptime())));
}
public static void printProcessor(CentralProcessor centralProcessor) {
List keys = Arrays.asList("cpu数量", "cpu核心数", "cpu线程数", "cpu编号");
List values = Arrays.asList(String.valueOf(centralProcessor.getPhysicalPackageCount()), String.valueOf(centralProcessor.getPhysicalProcessorCount()), String.valueOf(centralProcessor.getLogicalProcessorCount()), String.valueOf(centralProcessor.getProcessorIdentifier()));
printTools.printAll("中央处理器", keys, values);
}
public static void printMemory(GlobalMemory memory) {
List keys = Arrays.asList("内存大小", "可用内存大小");
List values = Arrays.asList(FormatUtil.formatBytes(memory.getTotal()), FormatUtil.formatBytes(memory.getAvailable()));
printTools.printAll("内存", keys, values);
List memoryList = memory.getPhysicalMemory();
memoryList.forEach((item) -> {
List keyList = Arrays.asList("内存型号", "内存规格", "内存主频", "内存大小");
List valueList = Arrays.asList(item.getManufacturer(), item.getMemoryType(), FormatUtil.formatBytes(item.getClockSpeed()), FormatUtil.formatBytes(item.getCapacity()));
printTools.printAll("内存条信息", keyList, valueList);
});
}
public static void printUsbDevices(List usbDeviceList) {
usbDeviceList.forEach((item) -> {
// List keyList = Arrays.asList("Usb驱动名称", "Usb产品ID", "Usb编码", "Usb唯一设备号", "Usb供应商", "UsbUsb供应商ID");
// List valueList = Arrays.asList(item.getName(), item.getProductId(), item.getSerialNumber(), item.getUniqueDeviceId(), item.getVendor(), item.getVendorId());
List keyList = Arrays.asList("Usb驱动");
List valueList = Arrays.asList(item.toString());
printTools.printAll("Usb驱动信息", keyList, valueList);
});
}
private static void printFileSystem(FileSystem fileSystem) {
List fileStores = fileSystem.getFileStores();
fileStores.forEach((item) -> {
List keyList = Arrays.asList("名称", "UUID", "盘符", "文件类型", "总大小", "剩余大小", "使用比例%");
List valueList = Arrays.asList(item.getName(), item.getUUID(), item.getMount(), item.getType(), FormatUtil.formatBytes(item.getTotalSpace()), FormatUtil.formatBytes(item.getUsableSpace()), String.valueOf(100d * item.getUsableSpace() / item.getTotalSpace()));
printTools.printAll("文件存储", keyList, valueList);
});
}
private static void printDiskStores(List diskList) {
diskList.forEach((item) -> {
List keyList = Arrays.asList("名称", "型号", "序号", "大小");
List valueList = Arrays.asList(item.getName(), item.getModel(), item.getSerial(), FormatUtil.formatBytes(item.getSize()));
printTools.printAll("磁盘存储", keyList, valueList);
List partitions = item.getPartitions();
partitions.forEach(e->{
List keyLists = Arrays.asList("分区名称", "分区类型", "分区大小");
List valueLists = Arrays.asList(e.getName(), e.getType(),FormatUtil.formatBytesDecimal(e.getSize()));
printTools.printAll("磁盘分区", keyLists, valueLists);
});
});
}
private static void printNetworkInterfaces(List networkIFs) {
networkIFs.forEach((item) -> {
List keyList = Arrays.asList("名称", "MAC", "MTU", "网速bps", "IPv4", "IPv6");
List valueList = Arrays.asList(item.getName(), item.getMacaddr(),
String.valueOf(item.getMTU()), FormatUtil.formatValue(item.getSpeed(), "bps"), Arrays.toString(item.getIPv4addr()), Arrays.toString(item.getIPv6addr()));
printTools.printAll("网络设置", keyList, valueList);
});
}
private static void printNetworkParameters(NetworkParams networkParams) {
List keyList = Arrays.asList("Host", "Domain", "DNS", "IPv4", "IPv6");
List valueList = Arrays.asList(networkParams.getHostName(), networkParams.getDomainName(),
Arrays.toString(networkParams.getDnsServers()), networkParams.getIpv4DefaultGateway()
, networkParams.getIpv6DefaultGateway());
printTools.printAll("网络", keyList, valueList);
}
private static void printSensors(Sensors sensors) {
List keyList = Arrays.asList("CPU温度", "风扇", "CPU电压");
List valueList = Arrays.asList(String.valueOf(sensors.getCpuTemperature()),
Arrays.toString(sensors.getFanSpeeds()), String.valueOf(sensors.getCpuVoltage()));
printTools.printAll("传感器", keyList, valueList);
}
private static void printPowerSources(List powerSources) {
powerSources.stream().forEach(item -> {
List keyList = Arrays.asList("电源名称", "剩余百分比");
List valueList = Arrays.asList(item.getName(), String.valueOf(item.getRemainingCapacityPercent()*100));
printTools.printAll("电源", keyList, valueList);
});
}
private static void printDisplay(List displays) {
displays.stream().forEach(item -> {
List keyList = Arrays.asList("显示");
List valueList = Arrays.asList(item.toString());
printTools.printAll("显示", keyList, valueList);
});
}
private static void printOSProcess(List processes,GlobalMemory memory) {
processes.stream().forEach(item -> {
List keyList = Arrays.asList("PID","CPU","MEM","VSZ","RSS Name");
List valueList = Arrays.asList(String.valueOf(item.getProcessID()),String.valueOf(100d * (item.getKernelTime() + item.getUserTime()) / item.getUpTime()),
String.valueOf(100d * item.getResidentSetSize() / memory.getTotal()),FormatUtil.formatBytes(item.getVirtualSize()),
FormatUtil.formatBytes(item.getResidentSetSize()),item.getName());
printTools.printAll("进程ID", keyList, valueList);
});
}
} 进阶
图形化界面参考
oshi-demo
oshi的监控指标
1、计算机系统和固件，底板 2、操作系统和版本/内部版本 3、物理（核心）和逻辑（超线程）CPU，处理器组，NUMA节点 4、系统和每个处理器的负载百分比和滴答计数器 5、CPU正常运行时间，进程和线程 6、进程正常运行时间，CPU，内存使用率，用户/组，命令行 7、已使用/可用的物理和虚拟内存 8、挂载的文件系统（类型，可用空间和总空间） 9、磁盘驱动器（型号，序列号，大小）和分区 10、网络接口（IP，带宽输入/输出） 11、电池状态（电量百分比，剩余时间，电量使用情况统计信息） 12、连接的显示器（带有EDID信息） 13、USB设备 14、传感器（温度，风扇速度，电压）
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