Package oshi.driver.linux.proc

Class CpuStat

java.lang.Object

oshi.driver.linux.proc.CpuStat

@ThreadSafe
public final class CpuStat
extends Object

Utility to read CPU statistics from /proc/stat

Method Summary

Modifier and Type	Method	Description
static long	getBootTime()	Gets the boot time from /proc/stat
static long	getContextSwitches()	Gets the number of context switches from /proc/stat
static long	getInterrupts()	Gets the number of interrupts from /proc/stat
static long[][]	getProcessorCpuLoadTicks(int logicalProcessorCount)	Gets an arrya of Processor CPU ticks array from /proc/stat
static long[]	getSystemCpuLoadTicks()	Gets the System CPU ticks array from /proc/stat

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getSystemCpuLoadTicks

public static long[] getSystemCpuLoadTicks()

Gets the System CPU ticks array from /proc/stat

Returns:

Array of CPU ticks

getProcessorCpuLoadTicks

public static long[][] getProcessorCpuLoadTicks(int logicalProcessorCount)

Gets an arrya of Processor CPU ticks array from /proc/stat

Parameters:

logicalProcessorCount - The number of logical processors, which corresponds to the number of lines to read from the file.

Returns:

Array of CPU ticks for each processor

getContextSwitches

public static long getContextSwitches()

Gets the number of context switches from /proc/stat

Returns:

The number of context switches if available, -1 otherwise

getInterrupts

public static long getInterrupts()

Gets the number of interrupts from /proc/stat

Returns:

The number of interrupts if available, -1 otherwise

getBootTime

public static long getBootTime()

Gets the boot time from /proc/stat

Returns:

The boot time if available, 0 otherwise