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src/java.base/share/classes/sun/launcher/LauncherHelper.java
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@ rev 57585 : 8231111: Cgroups v2: Rework Metrics in java.base so as to recognize unified hierarchy
| Reviewed-by: bobv
~
*** 1,7 ****
/*
! * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
--- 1,7 ----
/*
! * Copyright (c) 2007, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
*** 43,56 ****
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.lang.module.Configuration;
import java.lang.module.ModuleDescriptor;
- import java.lang.module.ModuleDescriptor.Requires;
import java.lang.module.ModuleDescriptor.Exports;
import java.lang.module.ModuleDescriptor.Opens;
import java.lang.module.ModuleDescriptor.Provides;
import java.lang.module.ModuleFinder;
import java.lang.module.ModuleReference;
import java.lang.module.ResolvedModule;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
--- 43,56 ----
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.lang.module.Configuration;
import java.lang.module.ModuleDescriptor;
import java.lang.module.ModuleDescriptor.Exports;
import java.lang.module.ModuleDescriptor.Opens;
import java.lang.module.ModuleDescriptor.Provides;
+ import java.lang.module.ModuleDescriptor.Requires;
import java.lang.module.ModuleFinder;
import java.lang.module.ModuleReference;
import java.lang.module.ResolvedModule;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
*** 60,71 ****
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
- import java.text.Normalizer;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
--- 60,71 ----
import java.net.URI;
import java.nio.charset.Charset;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.MessageFormat;
+ import java.text.Normalizer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
*** 323,415 ****
return;
}
ostream.println(INDENT + "Provider: " + c.getProvider());
ostream.println(INDENT + "Effective CPU Count: " + c.getEffectiveCpuCount());
! ostream.println(INDENT + "CPU Period: " + c.getCpuPeriod() +
! (c.getCpuPeriod() == -1 ? "" : "us"));
! ostream.println(INDENT + "CPU Quota: " + c.getCpuQuota() +
! (c.getCpuQuota() == -1 ? "" : "us"));
! ostream.println(INDENT + "CPU Shares: " + c.getCpuShares());
int cpus[] = c.getCpuSetCpus();
ostream.println(INDENT + "List of Processors, "
+ cpus.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < cpus.length; i++) {
ostream.print(cpus[i] + " ");
}
if (cpus.length > 0) {
ostream.println("");
}
cpus = c.getEffectiveCpuSetCpus();
ostream.println(INDENT + "List of Effective Processors, "
+ cpus.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < cpus.length; i++) {
ostream.print(cpus[i] + " ");
}
if (cpus.length > 0) {
ostream.println("");
}
int mems[] = c.getCpuSetMems();
ostream.println(INDENT + "List of Memory Nodes, "
+ mems.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < mems.length; i++) {
ostream.print(mems[i] + " ");
}
if (mems.length > 0) {
ostream.println("");
}
mems = c.getEffectiveCpuSetMems();
ostream.println(INDENT + "List of Available Memory Nodes, "
+ mems.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < mems.length; i++) {
ostream.print(mems[i] + " ");
}
if (mems.length > 0) {
ostream.println("");
}
! ostream.println(INDENT + "CPUSet Memory Pressure Enabled: "
! + c.isCpuSetMemoryPressureEnabled());
long limit = c.getMemoryLimit();
! ostream.println(INDENT + "Memory Limit: " +
! ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
limit = c.getMemorySoftLimit();
! ostream.println(INDENT + "Memory Soft Limit: " +
! ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
limit = c.getMemoryAndSwapLimit();
! ostream.println(INDENT + "Memory & Swap Limit: " +
! ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
limit = c.getKernelMemoryLimit();
! ostream.println(INDENT + "Kernel Memory Limit: " +
! ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
limit = c.getTcpMemoryLimit();
! ostream.println(INDENT + "TCP Memory Limit: " +
! ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
! ostream.println(INDENT + "Out Of Memory Killer Enabled: "
! + c.isMemoryOOMKillEnabled());
ostream.println("");
}
private enum SizePrefix {
KILO(1024, "K"),
MEGA(1024 * 1024, "M"),
GIGA(1024 * 1024 * 1024, "G"),
--- 323,452 ----
return;
}
ostream.println(INDENT + "Provider: " + c.getProvider());
ostream.println(INDENT + "Effective CPU Count: " + c.getEffectiveCpuCount());
! ostream.println(formatCpuVal(c.getCpuPeriod(), INDENT + "CPU Period: "));
! ostream.println(formatCpuVal(c.getCpuQuota(), INDENT + "CPU Quota: "));
! ostream.println(formatCpuVal(c.getCpuShares(), INDENT + "CPU Shares: "));
int cpus[] = c.getCpuSetCpus();
+ if (cpus != null) {
ostream.println(INDENT + "List of Processors, "
+ cpus.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < cpus.length; i++) {
ostream.print(cpus[i] + " ");
}
if (cpus.length > 0) {
ostream.println("");
}
+ } else {
+ ostream.println(INDENT + "List of Processors: N/A");
+ }
cpus = c.getEffectiveCpuSetCpus();
+ if (cpus != null) {
ostream.println(INDENT + "List of Effective Processors, "
+ cpus.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < cpus.length; i++) {
ostream.print(cpus[i] + " ");
}
if (cpus.length > 0) {
ostream.println("");
}
+ } else {
+ ostream.println(INDENT + "List of Effective Processors: N/A");
+ }
int mems[] = c.getCpuSetMems();
+ if (mems != null) {
ostream.println(INDENT + "List of Memory Nodes, "
+ mems.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < mems.length; i++) {
ostream.print(mems[i] + " ");
}
if (mems.length > 0) {
ostream.println("");
}
+ } else {
+ ostream.println(INDENT + "List of Memory Nodes: N/A");
+ }
mems = c.getEffectiveCpuSetMems();
+ if (mems != null) {
ostream.println(INDENT + "List of Available Memory Nodes, "
+ mems.length + " total: ");
ostream.print(INDENT);
for (int i = 0; i < mems.length; i++) {
ostream.print(mems[i] + " ");
}
if (mems.length > 0) {
ostream.println("");
}
+ } else {
+ ostream.println(INDENT + "List of Available Memory Nodes: N/A");
+ }
! ostream.println(formatBoolean(c.isCpuSetMemoryPressureEnabled(),
! INDENT + "CPUSet Memory Pressure Enabled: "));
long limit = c.getMemoryLimit();
! ostream.println(formatLimitString(limit, INDENT + "Memory Limit: "));
limit = c.getMemorySoftLimit();
! ostream.println(formatLimitString(limit, INDENT + "Memory Soft Limit: "));
limit = c.getMemoryAndSwapLimit();
! ostream.println(formatLimitString(limit, INDENT + "Memory & Swap Limit: "));
limit = c.getKernelMemoryLimit();
! ostream.println(formatLimitString(limit, INDENT + "Kernel Memory Limit: "));
limit = c.getTcpMemoryLimit();
! ostream.println(formatLimitString(limit, INDENT + "TCP Memory Limit: "));
! ostream.println(formatBoolean(c.isMemoryOOMKillEnabled(),
! INDENT + "Out Of Memory Killer Enabled: "));
ostream.println("");
}
+ private static String formatLimitString(long limit, String prefix) {
+ if (limit >= 0) {
+ return prefix + SizePrefix.scaleValue(limit);
+ } else if (limit == Metrics.LONG_RETVAL_NOT_SUPPORTED) {
+ return prefix + "N/A";
+ } else {
+ return prefix + "Unlimited";
+ }
+ }
+
+ private static String formatCpuVal(long cpuVal, String prefix) {
+ if (cpuVal >= 0) {
+ return prefix + cpuVal + "us";
+ } else if (cpuVal == Metrics.LONG_RETVAL_NOT_SUPPORTED) {
+ return prefix + "N/A";
+ } else {
+ return prefix + cpuVal;
+ }
+ }
+
+ private static String formatBoolean(Boolean value, String prefix) {
+ if (value == Metrics.BOOL_RETVAL_NOT_SUPPORTED) {
+ return prefix + "N/A";
+ } else {
+ return prefix + value;
+ }
+ }
+
private enum SizePrefix {
KILO(1024, "K"),
MEGA(1024 * 1024, "M"),
GIGA(1024 * 1024 * 1024, "G"),
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