Java源码示例：oshi.util.FormatUtil
示例1
public static void printDisks(HWDiskStore[] diskStores) {
System.out.println("Disks:");
for (HWDiskStore disk : diskStores) {
boolean readwrite = disk.getReads() > 0 || disk.getWrites() > 0;
System.out.format(" %s: (model: %s - S/N: %s) size: %s, reads: %s (%s), writes: %s (%s), xfer: %s ms%n",
disk.getName(), disk.getModel(), disk.getSerial(),
disk.getSize() > 0 ? FormatUtil.formatBytesDecimal(disk.getSize()) : "?",
readwrite ? disk.getReads() : "?", readwrite ? FormatUtil.formatBytes(disk.getReadBytes()) : "?",
readwrite ? disk.getWrites() : "?", readwrite ? FormatUtil.formatBytes(disk.getWriteBytes()) : "?",
readwrite ? disk.getTransferTime() : "?");
HWPartition[] partitions = disk.getPartitions();
if (partitions == null) {
// TODO Remove when all OS's implemented
continue;
}
for (HWPartition part : partitions) {
System.out.format(" |-- %s: %s (%s) Maj:Min=%d:%d, size: %s%s%n", part.getIdentification(),
part.getName(), part.getType(), part.getMajor(), part.getMinor(),
FormatUtil.formatBytesDecimal(part.getSize()),
part.getMountPoint().isEmpty() ? "" : " @ " + part.getMountPoint());
}
}
}
示例2
public static void printNetworkInterfaces(NetworkIF[] networkIFs) {
System.out.println("Network interfaces:");
for (NetworkIF net : networkIFs) {
System.out.format(" Name: %s (%s)%n", net.getName(), net.getDisplayName());
System.out.format(" MAC Address: %s %n", net.getMacaddr());
System.out.format(" MTU: %s, Speed: %s %n", net.getMTU(), FormatUtil.formatValue(net.getSpeed(), "bps"));
System.out.format(" IPv4: %s %n", Arrays.toString(net.getIPv4addr()));
System.out.format(" IPv6: %s %n", Arrays.toString(net.getIPv6addr()));
boolean hasData = net.getBytesRecv() > 0 || net.getBytesSent() > 0 || net.getPacketsRecv() > 0
|| net.getPacketsSent() > 0;
System.out.format(" Traffic: received %s/%s%s; transmitted %s/%s%s %n",
hasData ? net.getPacketsRecv() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesRecv()) : "?",
hasData ? " (" + net.getInErrors() + " err)" : "",
hasData ? net.getPacketsSent() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesSent()) : "?",
hasData ? " (" + net.getOutErrors() + " err)" : "");
}
}
示例3
public static void printFileSystem(FileSystem fileSystem) {
System.out.println("File System:");
System.out.format(" File Descriptors: %d/%d%n", fileSystem.getOpenFileDescriptors(),
fileSystem.getMaxFileDescriptors());
OSFileStore[] fsArray = fileSystem.getFileStores();
for (OSFileStore fs : fsArray) {
long usable = fs.getUsableSpace();
long total = fs.getTotalSpace();
System.out.format(
" %s (%s) [%s] %s of %s free (%.1f%%) is %s "
+ (fs.getLogicalVolume() != null && fs.getLogicalVolume().length() > 0 ? "[%s]" : "%s")
+ " and is mounted at %s%n",
fs.getName(), fs.getDescription().isEmpty() ? "file system" : fs.getDescription(), fs.getType(),
FormatUtil.formatBytes(usable), FormatUtil.formatBytes(fs.getTotalSpace()), 100d * usable / total,
fs.getVolume(), fs.getLogicalVolume(), fs.getMount());
}
}
示例4
private static void printFileSystem(FileSystem fileSystem) {
oshi.add("File System:");
oshi.add(String.format(" File Descriptors: %d/%d", fileSystem.getOpenFileDescriptors(),
fileSystem.getMaxFileDescriptors()));
OSFileStore[] fsArray = fileSystem.getFileStores();
for (OSFileStore fs : fsArray) {
long usable = fs.getUsableSpace();
long total = fs.getTotalSpace();
oshi.add(String.format(
" %s (%s) [%s] %s of %s free (%.1f%%), %s of %s files free (%.1f%%) is %s "
+ (fs.getLogicalVolume() != null && fs.getLogicalVolume().length() > 0 ? "[%s]" : "%s")
+ " and is mounted at %s",
fs.getName(), fs.getDescription().isEmpty() ? "file system" : fs.getDescription(), fs.getType(),
FormatUtil.formatBytes(usable), FormatUtil.formatBytes(fs.getTotalSpace()), 100d * usable / total,
FormatUtil.formatValue(fs.getFreeInodes(), ""), FormatUtil.formatValue(fs.getTotalInodes(), ""),
100d * fs.getFreeInodes() / fs.getTotalInodes(), fs.getVolume(), fs.getLogicalVolume(),
fs.getMount()));
}
}
示例5
@Test
public void getFileStores() {
OshiPlatformCache oshi = newOshiPlatformCache();
Map<String, OSFileStore> filestores = oshi.getFileStores();
Assert.assertNotNull(filestores);
int i = 0;
for (OSFileStore filestore : filestores.values()) {
String name = filestore.getName();
String description = filestore.getDescription();
long usableSpace = filestore.getUsableSpace();
long totalSpace = filestore.getTotalSpace();
Assert.assertNotNull(name);
Assert.assertNotNull(description);
Assert.assertTrue(usableSpace > -1L);
Assert.assertTrue(totalSpace > -1L);
print("===FILE STORE #%d ===", ++i);
print(" Name=[%s]", name);
print(" Description=[%s]", description);
print(" UsableSpace=[%s] (%d)", FormatUtil.formatBytes(usableSpace), usableSpace);
print(" TotalSpace=[%s] (%d)", FormatUtil.formatBytes(totalSpace), totalSpace);
print(" toString=[%s]", filestore.toString());
}
}
示例6
@Test
public void getMemory() {
OshiPlatformCache oshi = newOshiPlatformCache();
GlobalMemory memory = oshi.getMemory();
Assert.assertNotNull(memory);
long avail = memory.getAvailable();
long total = memory.getTotal();
Assert.assertTrue(avail > -1L);
Assert.assertTrue(total > -1L);
print("===MEMORY ===");
print(" Available=[%s] (%d)", FormatUtil.formatBytes(avail), avail);
print(" Total=[%s] (%d)", FormatUtil.formatBytes(total), total);
print(" toString=[%s]", memory.toString());
}
示例7
private static void printProcesses(BufferedWriter writer, OperatingSystem os, GlobalMemory memory) throws Exception {
writer.write("Processes");
writer.newLine();
writer.write("----------");
writer.newLine();
writer.write("Processes: " + os.getProcessCount() + ", Threads: " + os.getThreadCount());
writer.newLine();
// Sort by highest CPU
List<OSProcess> procs = Arrays.asList(os.getProcesses(os.getProcessCount(), ProcessSort.CPU));
int sz = procs.size();
writer.write("PID %CPU %MEM VSZ RSS Name");
for (int i = 0; i < sz; i++) {
OSProcess p = procs.get(i);
writer.write(String.format(" %5d %5.1f %4.1f %9s %9s %s%n", p.getProcessID(),
100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(),
100d * p.getResidentSetSize() / memory.getTotal(), FormatUtil.formatBytes(p.getVirtualSize()),
FormatUtil.formatBytes(p.getResidentSetSize()), p.getName()));
}
}
示例8
private static void printDisks(BufferedWriter writer, HWDiskStore[] diskStores) throws Exception {
writer.write("Disks");
writer.newLine();
writer.write("-----");
writer.newLine();
for (HWDiskStore disk : diskStores) {
boolean readwrite = disk.getReads() > 0 || disk.getWrites() > 0;
writer.write(String.format(" %s: (model: %s - S/N: %s) size: %s, reads: %s (%s), writes: %s (%s), xfer: %s ms%n",
disk.getName(), disk.getModel(), disk.getSerial(),
disk.getSize() > 0 ? FormatUtil.formatBytesDecimal(disk.getSize()) : "?",
readwrite ? disk.getReads() : "?", readwrite ? FormatUtil.formatBytes(disk.getReadBytes()) : "?",
readwrite ? disk.getWrites() : "?", readwrite ? FormatUtil.formatBytes(disk.getWriteBytes()) : "?",
readwrite ? disk.getTransferTime() : "?"));
HWPartition[] partitions = disk.getPartitions();
if (partitions == null) {
continue;
}
for (HWPartition part : partitions) {
writer.write(String.format(" |-- %s: %s (%s) Maj:Min=%d:%d, size: %s%s%n", part.getIdentification(),
part.getName(), part.getType(), part.getMajor(), part.getMinor(),
FormatUtil.formatBytesDecimal(part.getSize()),
part.getMountPoint().isEmpty() ? "" : " @ " + part.getMountPoint()));
}
}
}
示例9
private static void printFileSystem(BufferedWriter writer, FileSystem fileSystem) throws Exception {
writer.write("File System");
writer.newLine();
writer.write("-------------");
writer.newLine();
writer.write(String.format(" File Descriptors: %d/%d%n", fileSystem.getOpenFileDescriptors(),
fileSystem.getMaxFileDescriptors()));
OSFileStore[] fsArray = fileSystem.getFileStores();
for (OSFileStore fs : fsArray) {
long usable = fs.getUsableSpace();
long total = fs.getTotalSpace();
writer.write(String.format(" %s (%s) [%s] %s of %s free (%.1f%%) is %s and is mounted at %s%n", fs.getName(),
fs.getDescription().isEmpty() ? "file system" : fs.getDescription(), fs.getType(),
FormatUtil.formatBytes(usable), FormatUtil.formatBytes(fs.getTotalSpace()), 100d * usable / total,
fs.getVolume(), fs.getMount()));
}
}
示例10
private static void printNetworkInterfaces(BufferedWriter writer, NetworkIF[] networkIFs) throws Exception {
writer.write("Network interfaces");
writer.newLine();
writer.write("----------------");
writer.newLine();
for (NetworkIF net : networkIFs) {
writer.write(String.format(" Name: %s (%s)%n", net.getName(), net.getDisplayName()));
writer.write(String.format(" MAC Address: %s %n", net.getMacaddr()));
writer.write(String.format(" MTU: %s, Speed: %s %n", net.getMTU(), FormatUtil.formatValue(net.getSpeed(), "bps")));
writer.write(String.format(" IPv4: %s %n", Arrays.toString(net.getIPv4addr())));
writer.write(String.format(" IPv6: %s %n", Arrays.toString(net.getIPv6addr())));
boolean hasData = net.getBytesRecv() > 0 || net.getBytesSent() > 0 || net.getPacketsRecv() > 0
|| net.getPacketsSent() > 0;
writer.write(String.format(" Traffic: received %s/%s%s; transmitted %s/%s%s %n",
hasData ? net.getPacketsRecv() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesRecv()) : "?",
hasData ? " (" + net.getInErrors() + " err)" : "",
hasData ? net.getPacketsSent() + " packets" : "?",
hasData ? FormatUtil.formatBytes(net.getBytesSent()) : "?",
hasData ? " (" + net.getOutErrors() + " err)" : ""));
}
}
示例11
/**
* 获取交换区信息
* @param memory /
* @return /
*/
private Map<String,Object> getSwapInfo(GlobalMemory memory) {
Map<String,Object> swapInfo = new LinkedHashMap<>();
swapInfo.put("total", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal()));
swapInfo.put("used", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("available", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal() - memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("usageRate", df.format(memory.getVirtualMemory().getSwapUsed()/(double)memory.getVirtualMemory().getSwapTotal() * 100));
return swapInfo;
}
示例12
/**
* 获取内存信息
* @param memory /
* @return /
*/
private Map<String,Object> getMemoryInfo(GlobalMemory memory) {
Map<String,Object> memoryInfo = new LinkedHashMap<>();
memoryInfo.put("total", FormatUtil.formatBytes(memory.getTotal()));
memoryInfo.put("available", FormatUtil.formatBytes(memory.getAvailable()));
memoryInfo.put("used", FormatUtil.formatBytes(memory.getTotal() - memory.getAvailable()));
memoryInfo.put("usageRate", df.format((memory.getTotal() - memory.getAvailable())/(double)memory.getTotal() * 100));
return memoryInfo;
}
示例13
/**
* 获取交换区信息
*
* @param memory /
* @return /
*/
private Map<String, Object> getSwapInfo(GlobalMemory memory) {
Map<String, Object> swapInfo = new LinkedHashMap<>();
swapInfo.put("total", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal()));
swapInfo.put("used", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("available", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal() - memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("usageRate", df.format(memory.getVirtualMemory().getSwapUsed() / (double) memory.getVirtualMemory().getSwapTotal() * 100));
return swapInfo;
}
示例14
/**
* 获取内存信息
*
* @param memory /
* @return /
*/
private Map<String, Object> getMemoryInfo(GlobalMemory memory) {
Map<String, Object> memoryInfo = new LinkedHashMap<>();
memoryInfo.put("total", FormatUtil.formatBytes(memory.getTotal()));
memoryInfo.put("available", FormatUtil.formatBytes(memory.getAvailable()));
memoryInfo.put("used", FormatUtil.formatBytes(memory.getTotal() - memory.getAvailable()));
memoryInfo.put("usageRate", df.format((memory.getTotal() - memory.getAvailable()) / (double) memory.getTotal() * 100));
return memoryInfo;
}
示例15
public static void printProcesses(OperatingSystem os, GlobalMemory memory) {
System.out.println("Processes: " + os.getProcessCount() + ", Threads: " + os.getThreadCount());
// Sort by highest CPU
List<OSProcess> procs = Arrays.asList(os.getProcesses(5, OperatingSystem.ProcessSort.CPU));
System.out.println(" PID %CPU %MEM VSZ RSS Name");
for (int i = 0; i < procs.size() && i < 5; i++) {
OSProcess p = procs.get(i);
System.out.format(" %5d %5.1f %4.1f %9s %9s %s%n", p.getProcessID(),
100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(),
100d * p.getResidentSetSize() / memory.getTotal(), FormatUtil.formatBytes(p.getVirtualSize()),
FormatUtil.formatBytes(p.getResidentSetSize()), p.getName());
}
}
示例16
private static void printProcesses(OperatingSystem os, GlobalMemory memory) {
oshi.add("Processes: " + os.getProcessCount() + ", Threads: " + os.getThreadCount());
// Sort by highest CPU
List<OSProcess> procs = Arrays.asList(os.getProcesses(5, ProcessSort.CPU));
oshi.add(" PID %CPU %MEM VSZ RSS Name");
for (int i = 0; i < procs.size() && i < 5; i++) {
OSProcess p = procs.get(i);
oshi.add(String.format(" %5d %5.1f %4.1f %9s %9s %s", p.getProcessID(),
100d * (p.getKernelTime() + p.getUserTime()) / p.getUpTime(),
100d * p.getResidentSetSize() / memory.getTotal(), FormatUtil.formatBytes(p.getVirtualSize()),
FormatUtil.formatBytes(p.getResidentSetSize()), p.getName()));
}
}
示例17
/**
* 获取交换区信息
*
* @param memory /
* @return /
*/
private Map<String, Object> getSwapInfo(GlobalMemory memory) {
Map<String, Object> swapInfo = new LinkedHashMap<>();
swapInfo.put("total", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal()));
swapInfo.put("used", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("available", FormatUtil.formatBytes(memory.getVirtualMemory().getSwapTotal() - memory.getVirtualMemory().getSwapUsed()));
swapInfo.put("usageRate", df.format(memory.getVirtualMemory().getSwapTotal() <= 0 ? 0 : memory.getVirtualMemory().getSwapUsed() / (double) memory.getVirtualMemory().getSwapTotal() * 100));
return swapInfo;
}
示例18
/**
* 获取内存信息
*
* @param memory /
* @return /
*/
private Map<String, Object> getMemoryInfo(GlobalMemory memory) {
Map<String, Object> memoryInfo = new LinkedHashMap<>();
memoryInfo.put("total", FormatUtil.formatBytes(memory.getTotal()));
memoryInfo.put("available", FormatUtil.formatBytes(memory.getAvailable()));
memoryInfo.put("used", FormatUtil.formatBytes(memory.getTotal() - memory.getAvailable()));
memoryInfo.put("usageRate", df.format((memory.getTotal() - memory.getAvailable()) / (double) memory.getTotal() * 100));
return memoryInfo;
}
示例19
@Test
public void getPowerSources() {
OshiPlatformCache oshi = newOshiPlatformCache();
Map<String, PowerSource> powersources = oshi.getPowerSources();
Assert.assertNotNull(powersources);
if (powersources.size() == 0) {
print("===NO POWER SOURCES ON THIS MACHINE===");
} else {
int i = 0;
for (PowerSource powersource : powersources.values()) {
String name = powersource.getName();
double remainingCapacity = powersource.getRemainingCapacity();
double timeRemaining = powersource.getTimeRemaining();
Assert.assertNotNull(name);
print("===POWER SOURCE #%d ===", ++i);
print(" Name=[%s]", name);
print(" RemainingCapacity=[%.0f%%] (%.2f)", remainingCapacity * 100, remainingCapacity);
long roundedTimeRemaining = Math.round(timeRemaining);
if (roundedTimeRemaining == -1) {
print(" TimeRemaining=[calculating] (%.1f)", timeRemaining);
} else if (roundedTimeRemaining == -2) {
print(" TimeRemaining=[unlimited] (%.1f)", timeRemaining);
} else {
print(" TimeRemaining=[%s] (%.1f)", FormatUtil.formatElapsedSecs(roundedTimeRemaining),
timeRemaining);
}
print(" toString=[%s]", powersource.toString());
}
}
}
示例20
private static void printMemory(BufferedWriter writer, GlobalMemory memory) throws Exception {
writer.write("Memory");
writer.newLine();
writer.write("-------");
writer.newLine();
writer.write("Memory: " + FormatUtil.formatBytes(memory.getAvailable()) + "/"
+ FormatUtil.formatBytes(memory.getTotal()));
writer.newLine();
writer.write("Swap used: " + FormatUtil.formatBytes(memory.getSwapUsed()) + "/"
+ FormatUtil.formatBytes(memory.getSwapTotal()));
writer.newLine();
}
示例21
public static void printMemory(GlobalMemory memory) {
System.out.println("以使用内存: " + FormatUtil.formatBytes(memory.getAvailable()) + "总共内存"
+ FormatUtil.formatBytes(memory.getTotal()));
}
示例22
private static void printOperatingSystem(final OperatingSystem os) {
oshi.add(String.valueOf(os));
oshi.add("Booted: " + Instant.ofEpochSecond(os.getSystemBootTime()));
oshi.add("Uptime: " + FormatUtil.formatElapsedSecs(os.getSystemUptime()));
oshi.add("Running with" + (os.isElevated() ? "" : "out") + " elevated permissions.");
}
示例23
private static void printCpu(CentralProcessor processor) {
oshi.add("Context Switches/Interrupts: " + processor.getContextSwitches() + " / " + processor.getInterrupts());
long[] prevTicks = processor.getSystemCpuLoadTicks();
long[][] prevProcTicks = processor.getProcessorCpuLoadTicks();
oshi.add("CPU, IOWait, and IRQ ticks @ 0 sec:" + Arrays.toString(prevTicks));
// Wait a second...
Util.sleep(1000);
long[] ticks = processor.getSystemCpuLoadTicks();
oshi.add("CPU, IOWait, and IRQ ticks @ 1 sec:" + Arrays.toString(ticks));
long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
long sys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;
oshi.add(String.format(
"User: %.1f%% Nice: %.1f%% System: %.1f%% Idle: %.1f%% IOwait: %.1f%% IRQ: %.1f%% SoftIRQ: %.1f%% Steal: %.1f%%",
100d * user / totalCpu, 100d * nice / totalCpu, 100d * sys / totalCpu, 100d * idle / totalCpu,
100d * iowait / totalCpu, 100d * irq / totalCpu, 100d * softirq / totalCpu, 100d * steal / totalCpu));
oshi.add(String.format("CPU load: %.1f%%", processor.getSystemCpuLoadBetweenTicks(prevTicks) * 100));
double[] loadAverage = processor.getSystemLoadAverage(3);
oshi.add("CPU load averages:" + (loadAverage[0] < 0 ? " N/A" : String.format(" %.2f", loadAverage[0]))
+ (loadAverage[1] < 0 ? " N/A" : String.format(" %.2f", loadAverage[1]))
+ (loadAverage[2] < 0 ? " N/A" : String.format(" %.2f", loadAverage[2])));
// per core CPU
StringBuilder procCpu = new StringBuilder("CPU load per processor:");
double[] load = processor.getProcessorCpuLoadBetweenTicks(prevProcTicks);
for (double avg : load) {
procCpu.append(String.format(" %.1f%%", avg * 100));
}
oshi.add(procCpu.toString());
long freq = processor.getProcessorIdentifier().getVendorFreq();
if (freq > 0) {
oshi.add("Vendor Frequency: " + FormatUtil.formatHertz(freq));
}
freq = processor.getMaxFreq();
if (freq > 0) {
oshi.add("Max Frequency: " + FormatUtil.formatHertz(freq));
}
long[] freqs = processor.getCurrentFreq();
if (freqs[0] > 0) {
StringBuilder sb = new StringBuilder("Current Frequencies: ");
for (int i = 0; i < freqs.length; i++) {
if (i > 0) {
sb.append(", ");
}
sb.append(FormatUtil.formatHertz(freqs[i]));
}
oshi.add(sb.toString());
}
}
示例24
private static void printCpu(BufferedWriter writer, CentralProcessor processor) throws Exception {
writer.write("CPU");
writer.newLine();
writer.write("---");
writer.newLine();
writer.write("Uptime: " + FormatUtil.formatElapsedSecs(processor.getSystemUptime()));
writer.newLine();
writer.write(
"Context Switches/Interrupts: " + processor.getContextSwitches() + " / " + processor.getInterrupts());
writer.newLine();
long[] prevTicks = processor.getSystemCpuLoadTicks();
writer.write("CPU, IOWait, and IRQ ticks @ 0 sec:" + Arrays.toString(prevTicks));
writer.newLine();
// Wait a second...
Util.sleep(1000);
long[] ticks = processor.getSystemCpuLoadTicks();
writer.write("CPU, IOWait, and IRQ ticks @ 1 sec:" + Arrays.toString(ticks));
writer.newLine();
long user = ticks[TickType.USER.getIndex()] - prevTicks[TickType.USER.getIndex()];
long nice = ticks[TickType.NICE.getIndex()] - prevTicks[TickType.NICE.getIndex()];
long sys = ticks[TickType.SYSTEM.getIndex()] - prevTicks[TickType.SYSTEM.getIndex()];
long idle = ticks[TickType.IDLE.getIndex()] - prevTicks[TickType.IDLE.getIndex()];
long iowait = ticks[TickType.IOWAIT.getIndex()] - prevTicks[TickType.IOWAIT.getIndex()];
long irq = ticks[TickType.IRQ.getIndex()] - prevTicks[TickType.IRQ.getIndex()];
long softirq = ticks[TickType.SOFTIRQ.getIndex()] - prevTicks[TickType.SOFTIRQ.getIndex()];
long steal = ticks[TickType.STEAL.getIndex()] - prevTicks[TickType.STEAL.getIndex()];
long totalCpu = user + nice + sys + idle + iowait + irq + softirq + steal;
writer.write(String.format(
"User: %.1f%% Nice: %.1f%% System: %.1f%% Idle: %.1f%% IOwait: %.1f%% IRQ: %.1f%% SoftIRQ: %.1f%% Steal: %.1f%%%n",
100d * user / totalCpu, 100d * nice / totalCpu, 100d * sys / totalCpu, 100d * idle / totalCpu,
100d * iowait / totalCpu, 100d * irq / totalCpu, 100d * softirq / totalCpu, 100d * steal / totalCpu));
writer.newLine();
writer.write(String.format("CPU load: %.1f%% (counting ticks)%n", processor.getSystemCpuLoadBetweenTicks() * 100));
writer.write(String.format("CPU load: %.1f%% (OS MXBean)%n", processor.getSystemCpuLoad() * 100));
double[] loadAverage = processor.getSystemLoadAverage(3);
writer.write("CPU load averages:" + (loadAverage[0] < 0 ? " N/A" : String.format(" %.2f", loadAverage[0]))
+ (loadAverage[1] < 0 ? " N/A" : String.format(" %.2f", loadAverage[1]))
+ (loadAverage[2] < 0 ? " N/A" : String.format(" %.2f", loadAverage[2])));
// per core CPU
StringBuilder procCpu = new StringBuilder("CPU load per processor:");
double[] load = processor.getProcessorCpuLoadBetweenTicks();
for (double avg : load) {
procCpu.append(String.format(" %.1f%%", avg * 100));
}
writer.write(procCpu.toString());
writer.newLine();
}
