CgroupV1MetricsImpl

java.lang.Object
- com.oracle.svm.core.containers.CgroupMetrics
- - com.oracle.svm.core.containers.CgroupV1MetricsImpl

All Implemented Interfaces:: CgroupV1Metrics, Metrics

public class CgroupV1MetricsImpl
extends CgroupMetrics
implements CgroupV1Metrics

Cgroup v1 Metrics extensions

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`double`	`getCpuSetMemoryPressure()` Returns the (attempts per second * 1000), if enabled, that the operating system tries to satisfy a memory request for any process in the current Isolation Group when no free memory is readily available.
`long`	`getKernelMemoryFailCount()` Returns the number of times that kernel memory requests in the Isolation Group have exceeded the kernel memory limit.
`long`	`getKernelMemoryLimit()` Returns the maximum amount of kernel physical memory, in bytes, that can be allocated in the Isolation Group.
`long`	`getKernelMemoryMaxUsage()` Returns the largest amount of kernel physical memory, in bytes, that have been allocated in the Isolation Group.
`long`	`getKernelMemoryUsage()` Returns the amount of kernel physical memory, in bytes, that is currently allocated in the current Isolation Group.
`long`	`getMemoryAndSwapFailCount()` Returns the number of times that user memory requests in the Isolation Group have exceeded the memory + swap limit.
`long`	`getMemoryAndSwapMaxUsage()` Returns the largest amount of physical memory and swap space, in bytes, that have been allocated in the Isolation Group.
`long`	`getMemoryMaxUsage()` Returns the largest amount of physical memory, in bytes, that have been allocated in the Isolation Group.
`long`	`getTcpMemoryFailCount()` Returns the number of times that networking memory requests in the Isolation Group have exceeded the kernel memory limit.
`long`	`getTcpMemoryLimit()` Returns the maximum amount of networking physical memory, in bytes, that can be allocated in the Isolation Group.
`long`	`getTcpMemoryMaxUsage()` Returns the largest amount of networking physical memory, in bytes, that have been allocated in the Isolation Group.
`Boolean`	`isCpuSetMemoryPressureEnabled()` Returns the state of the memory pressure detection support.
`Boolean`	`isMemoryOOMKillEnabled()` Returns the state of the Operating System Out of Memory termination policy.

Methods inherited from class com.oracle.svm.core.containers.CgroupMetrics
getBlkIOServiceCount, getBlkIOServiced, getCpuNumPeriods, getCpuNumThrottled, getCpuPeriod, getCpuQuota, getCpuSetCpus, getCpuSetMems, getCpuShares, getCpuSystemUsage, getCpuThrottledTime, getCpuUsage, getCpuUserUsage, getEffectiveCpuCount, getEffectiveCpuSetCpus, getEffectiveCpuSetMems, getInstance, getMemoryAndSwapLimit, getMemoryAndSwapUsage, getMemoryFailCount, getMemoryLimit, getMemorySoftLimit, getMemoryUsage, getPerCpuUsage, getProvider, getTcpMemoryUsage

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.oracle.svm.core.containers.Metrics
getBlkIOServiceCount, getBlkIOServiced, getCpuNumPeriods, getCpuNumThrottled, getCpuPeriod, getCpuQuota, getCpuSetCpus, getCpuSetMems, getCpuShares, getCpuSystemUsage, getCpuThrottledTime, getCpuUsage, getCpuUserUsage, getEffectiveCpuCount, getEffectiveCpuSetCpus, getEffectiveCpuSetMems, getMemoryAndSwapLimit, getMemoryAndSwapUsage, getMemoryFailCount, getMemoryLimit, getMemorySoftLimit, getMemoryUsage, getPerCpuUsage, getProvider, getTcpMemoryUsage, systemMetrics

- Method Detail
  - getMemoryMaxUsage
```
public long getMemoryMaxUsage()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the largest amount of physical memory, in bytes, that have been allocated in the Isolation Group.
    
    Specified by:
    
    getMemoryMaxUsage in interface CgroupV1Metrics
    
    Returns:
    
    The largest amount of memory in bytes or -1 if this metric is not available. Returns -2 if this metric is not supported.
  - getKernelMemoryFailCount
```
public long getKernelMemoryFailCount()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the number of times that kernel memory requests in the Isolation Group have exceeded the kernel memory limit.
    
    Specified by:
    
    getKernelMemoryFailCount in interface CgroupV1Metrics
    
    Returns:
    
    The number of exceeded requests or -1 if metric is not available.
  - getKernelMemoryLimit
```
public long getKernelMemoryLimit()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the maximum amount of kernel physical memory, in bytes, that can be allocated in the Isolation Group.
    
    Specified by:
    
    getKernelMemoryLimit in interface CgroupV1Metrics
    
    Returns:
    
    The maximum amount of memory in bytes or -1 if there is no limit set.
  - getKernelMemoryMaxUsage
```
public long getKernelMemoryMaxUsage()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the largest amount of kernel physical memory, in bytes, that have been allocated in the Isolation Group.
    
    Specified by:
    
    getKernelMemoryMaxUsage in interface CgroupV1Metrics
    
    Returns:
    
    The largest amount of memory in bytes or -1 if this metric is not available.
  - getKernelMemoryUsage
```
public long getKernelMemoryUsage()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the amount of kernel physical memory, in bytes, that is currently allocated in the current Isolation Group.
    
    Specified by:
    
    getKernelMemoryUsage in interface CgroupV1Metrics
    
    Returns:
    
    The amount of memory in bytes allocated or -1 if this metric is not available.
  - getTcpMemoryFailCount
```
public long getTcpMemoryFailCount()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the number of times that networking memory requests in the Isolation Group have exceeded the kernel memory limit.
    
    Specified by:
    
    getTcpMemoryFailCount in interface CgroupV1Metrics
    
    Returns:
    
    The number of exceeded requests or -1 if the metric is not available.
  - getTcpMemoryLimit
```
public long getTcpMemoryLimit()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the maximum amount of networking physical memory, in bytes, that can be allocated in the Isolation Group.
    
    Specified by:
    
    getTcpMemoryLimit in interface CgroupV1Metrics
    
    Returns:
    
    The maximum amount of memory in bytes or -1 if there is no limit.
  - getTcpMemoryMaxUsage
```
public long getTcpMemoryMaxUsage()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the largest amount of networking physical memory, in bytes, that have been allocated in the Isolation Group.
    
    Specified by:
    
    getTcpMemoryMaxUsage in interface CgroupV1Metrics
    
    Returns:
    
    The largest amount of memory in bytes or -1 if this metric is not available.
  - getMemoryAndSwapFailCount
```
public long getMemoryAndSwapFailCount()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the number of times that user memory requests in the Isolation Group have exceeded the memory + swap limit.
    
    Specified by:
    
    getMemoryAndSwapFailCount in interface CgroupV1Metrics
    
    Returns:
    
    The number of exceeded requests or -1 if the metric is not available.
  - getMemoryAndSwapMaxUsage
```
public long getMemoryAndSwapMaxUsage()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the largest amount of physical memory and swap space, in bytes, that have been allocated in the Isolation Group.
    
    Specified by:
    
    getMemoryAndSwapMaxUsage in interface CgroupV1Metrics
    
    Returns:
    
    The largest amount of memory in bytes or -1 if this metric is not available.
  - isMemoryOOMKillEnabled
```
public Boolean isMemoryOOMKillEnabled()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the state of the Operating System Out of Memory termination policy.
    
    Specified by:
    
    isMemoryOOMKillEnabled in interface CgroupV1Metrics
    
    Returns:
    
    Returns true if operating system will terminate processes in the Isolation Group that exceed the amount of available memory, otherwise false. null will be returned if this capability is not available on the current operating system.
  - getCpuSetMemoryPressure
```
public double getCpuSetMemoryPressure()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the (attempts per second * 1000), if enabled, that the operating system tries to satisfy a memory request for any process in the current Isolation Group when no free memory is readily available. Use CgroupV1Metrics.isCpuSetMemoryPressureEnabled() to determine if this support is enabled.
    
    Specified by:
    
    getCpuSetMemoryPressure in interface CgroupV1Metrics
    
    Returns:
    
    Memory pressure or 0 if not enabled or -1 if metric is not available.
  - isCpuSetMemoryPressureEnabled
```
public Boolean isCpuSetMemoryPressureEnabled()
```
    Description copied from interface: CgroupV1Metrics
    
    Returns the state of the memory pressure detection support.
    
    Specified by:
    
    isCpuSetMemoryPressureEnabled in interface CgroupV1Metrics
    
    Returns:
    
    true if support is available and enabled. false otherwise.

Class CgroupV1MetricsImpl

Method Summary

Methods inherited from class com.oracle.svm.core.containers.CgroupMetrics

Methods inherited from class java.lang.Object

Methods inherited from interface com.oracle.svm.core.containers.Metrics

Method Detail

getMemoryMaxUsage

getKernelMemoryFailCount

getKernelMemoryLimit

getKernelMemoryMaxUsage

getKernelMemoryUsage

getTcpMemoryFailCount

getTcpMemoryLimit

getTcpMemoryMaxUsage

getMemoryAndSwapFailCount

getMemoryAndSwapMaxUsage

isMemoryOOMKillEnabled

getCpuSetMemoryPressure

isCpuSetMemoryPressureEnabled