Package one.nio.os.perf

Class PerfCounterGlobal

java.lang.Object

one.nio.os.perf.PerfCounter

one.nio.os.perf.PerfCounterGlobal

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class PerfCounterGlobal
extends PerfCounter

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int[]	fds

Fields inherited from class one.nio.os.perf.PerfCounter

fd, fdUpdater, readFormat

Constructor Summary

Constructors

Constructor	Description
PerfCounterGlobal(PerfEvent event, long readFormat, int[] fds)

Method Summary

Modifier and Type	Method	Description
void	close()
long	get()
long	getForCpu(int cpu)
protected long[]	getRawValue()
CounterValue	getValue()
LocalValue	getValueForCpu(int cpu)
(package private) void	ioctl(int cmd, int arg)
void	storeTo(BpfMap map)
void	storeTo(BpfMap map, int cpu)

Methods inherited from class one.nio.os.perf.PerfCounter

attachBpf, disable, enable, event, hasReadFormat, newBuffer, nextSample, refresh, reset, toValue

Methods inherited from class java.lang.Object

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

Field Detail

fds

final int[] fds

Constructor Detail

PerfCounterGlobal

PerfCounterGlobal(PerfEvent event,
                  long readFormat,
                  int[] fds)

Method Detail

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Overrides:

close in class PerfCounter

get

public long get()
         throws java.io.IOException

Overrides:

get in class PerfCounter

Throws:

java.io.IOException

getValue

public CounterValue getValue()
                      throws java.io.IOException

Overrides:

getValue in class PerfCounter

Throws:

java.io.IOException

getForCpu

public long getForCpu(int cpu)
               throws java.io.IOException

Throws:

java.io.IOException

getValueForCpu

public LocalValue getValueForCpu(int cpu)
                          throws java.io.IOException

Throws:

java.io.IOException

getRawValue

protected long[] getRawValue()
                      throws java.io.IOException

Overrides:

getRawValue in class PerfCounter

Throws:

java.io.IOException

ioctl

void ioctl(int cmd,
           int arg)
    throws java.io.IOException

Overrides:

ioctl in class PerfCounter

Throws:

java.io.IOException

storeTo

public void storeTo(BpfMap map)
             throws java.io.IOException

Throws:

java.io.IOException

storeTo

public void storeTo(BpfMap map,
                    int cpu)
             throws java.io.IOException

Throws:

java.io.IOException