1 /*
2 * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
28 /*
29 *
30 * <p><b>This is NOT part of any API supported by Sun Microsystems.
31 * If you write code that depends on this, you do so at your own
32 * risk. This code and its internal interfaces are subject to change
33 * or deletion without notice.</b>
34 *
35 */
36
37 /**
38 * A utility package for the java(1), javaw(1) launchers.
39 * The following are helper methods that the native launcher uses
40 * to perform checks etc. using JNI, see src/share/bin/java.c
41 */
42 import java.io.File;
43 import java.io.IOException;
44 import java.io.PrintStream;
45 import java.io.UnsupportedEncodingException;
46 import java.lang.module.Configuration;
47 import java.lang.module.ModuleDescriptor;
48 import java.lang.module.ModuleDescriptor.Requires;
49 import java.lang.module.ModuleDescriptor.Exports;
50 import java.lang.module.ModuleDescriptor.Opens;
51 import java.lang.module.ModuleDescriptor.Provides;
52 import java.lang.module.ModuleFinder;
53 import java.lang.module.ModuleReference;
54 import java.lang.module.ResolvedModule;
55 import java.lang.reflect.InvocationTargetException;
56 import java.lang.reflect.Method;
57 import java.lang.reflect.Modifier;
58 import java.math.BigDecimal;
59 import java.math.RoundingMode;
60 import java.net.URI;
61 import java.nio.charset.Charset;
62 import java.nio.file.DirectoryStream;
63 import java.nio.file.Files;
64 import java.nio.file.Path;
65 import java.text.Normalizer;
66 import java.text.MessageFormat;
67 import java.util.ArrayList;
68 import java.util.Collections;
69 import java.util.Comparator;
70 import java.util.Iterator;
71 import java.util.List;
72 import java.util.Locale;
73 import java.util.Locale.Category;
74 import java.util.Optional;
75 import java.util.Properties;
76 import java.util.ResourceBundle;
77 import java.util.Set;
78 import java.util.TreeSet;
79 import java.util.jar.Attributes;
80 import java.util.jar.JarFile;
81 import java.util.jar.Manifest;
82 import java.util.stream.Collectors;
83 import java.util.stream.Stream;
84
85 import jdk.internal.misc.VM;
86 import jdk.internal.module.ModuleBootstrap;
102 private static final String JAVAFX_FXHELPER_CLASS_NAME_SUFFIX =
103 "sun.launcher.LauncherHelper$FXHelper";
104 private static final String LAUNCHER_AGENT_CLASS = "Launcher-Agent-Class";
105 private static final String MAIN_CLASS = "Main-Class";
106 private static final String ADD_EXPORTS = "Add-Exports";
107 private static final String ADD_OPENS = "Add-Opens";
108
109 private static StringBuilder outBuf = new StringBuilder();
110
111 private static final String INDENT = " ";
112 private static final String VM_SETTINGS = "VM settings:";
113 private static final String PROP_SETTINGS = "Property settings:";
114 private static final String LOCALE_SETTINGS = "Locale settings:";
115
116 // sync with java.c and jdk.internal.misc.VM
117 private static final String diagprop = "sun.java.launcher.diag";
118 static final boolean trace = VM.getSavedProperty(diagprop) != null;
119
120 private static final String defaultBundleName =
121 "sun.launcher.resources.launcher";
122 private static class ResourceBundleHolder {
123 private static final ResourceBundle RB =
124 ResourceBundle.getBundle(defaultBundleName);
125 }
126 private static PrintStream ostream;
127 private static Class<?> appClass; // application class, for GUI/reporting purposes
128
129 /*
130 * A method called by the launcher to print out the standard settings,
131 * by default -XshowSettings is equivalent to -XshowSettings:all,
132 * Specific information may be gotten by using suboptions with possible
133 * values vm, properties and locale.
134 *
135 * printToStderr: choose between stdout and stderr
136 *
137 * optionFlag: specifies which options to print default is all other
138 * possible values are vm, properties, locale.
139 *
140 * initialHeapSize: in bytes, as set by the launcher, a zero-value indicates
141 * this code should determine this value, using a suitable method or
308 // print columns of 8
309 if ((i + 1) % 8 == 0) {
310 ostream.println();
311 ostream.print(INDENT + INDENT);
312 }
313 }
314 }
315
316 public static void printSystemMetrics() {
317 Metrics c = Container.metrics();
318
319 ostream.println("Operating System Metrics:");
320
321 if (c == null) {
322 ostream.println(INDENT + "No metrics available for this platform");
323 return;
324 }
325
326 ostream.println(INDENT + "Provider: " + c.getProvider());
327 ostream.println(INDENT + "Effective CPU Count: " + c.getEffectiveCpuCount());
328 ostream.println(INDENT + "CPU Period: " + c.getCpuPeriod() +
329 (c.getCpuPeriod() == -1 ? "" : "us"));
330 ostream.println(INDENT + "CPU Quota: " + c.getCpuQuota() +
331 (c.getCpuQuota() == -1 ? "" : "us"));
332 ostream.println(INDENT + "CPU Shares: " + c.getCpuShares());
333
334 int cpus[] = c.getCpuSetCpus();
335 ostream.println(INDENT + "List of Processors, "
336 + cpus.length + " total: ");
337
338 ostream.print(INDENT);
339 for (int i = 0; i < cpus.length; i++) {
340 ostream.print(cpus[i] + " ");
341 }
342 if (cpus.length > 0) {
343 ostream.println("");
344 }
345
346 cpus = c.getEffectiveCpuSetCpus();
347 ostream.println(INDENT + "List of Effective Processors, "
348 + cpus.length + " total: ");
349
350 ostream.print(INDENT);
351 for (int i = 0; i < cpus.length; i++) {
352 ostream.print(cpus[i] + " ");
353 }
354 if (cpus.length > 0) {
355 ostream.println("");
356 }
357
358 int mems[] = c.getCpuSetMems();
359 ostream.println(INDENT + "List of Memory Nodes, "
360 + mems.length + " total: ");
361
362 ostream.print(INDENT);
363 for (int i = 0; i < mems.length; i++) {
364 ostream.print(mems[i] + " ");
365 }
366 if (mems.length > 0) {
367 ostream.println("");
368 }
369
370 mems = c.getEffectiveCpuSetMems();
371 ostream.println(INDENT + "List of Available Memory Nodes, "
372 + mems.length + " total: ");
373
374 ostream.print(INDENT);
375 for (int i = 0; i < mems.length; i++) {
376 ostream.print(mems[i] + " ");
377 }
378 if (mems.length > 0) {
379 ostream.println("");
380 }
381
382 ostream.println(INDENT + "CPUSet Memory Pressure Enabled: "
383 + c.isCpuSetMemoryPressureEnabled());
384
385 long limit = c.getMemoryLimit();
386 ostream.println(INDENT + "Memory Limit: " +
387 ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
388
389 limit = c.getMemorySoftLimit();
390 ostream.println(INDENT + "Memory Soft Limit: " +
391 ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
392
393 limit = c.getMemoryAndSwapLimit();
394 ostream.println(INDENT + "Memory & Swap Limit: " +
395 ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
396
397 limit = c.getKernelMemoryLimit();
398 ostream.println(INDENT + "Kernel Memory Limit: " +
399 ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
400
401 limit = c.getTcpMemoryLimit();
402 ostream.println(INDENT + "TCP Memory Limit: " +
403 ((limit >= 0) ? SizePrefix.scaleValue(limit) : "Unlimited"));
404
405 ostream.println(INDENT + "Out Of Memory Killer Enabled: "
406 + c.isMemoryOOMKillEnabled());
407
408 ostream.println("");
409 }
410
411 private enum SizePrefix {
412
413 KILO(1024, "K"),
414 MEGA(1024 * 1024, "M"),
415 GIGA(1024 * 1024 * 1024, "G"),
416 TERA(1024L * 1024L * 1024L * 1024L, "T");
417 long size;
418 String abbrev;
419
420 SizePrefix(long size, String abbrev) {
421 this.size = size;
422 this.abbrev = abbrev;
423 }
424
425 private static String scale(long v, SizePrefix prefix) {
426 return BigDecimal.valueOf(v).divide(BigDecimal.valueOf(prefix.size),
427 2, RoundingMode.HALF_EVEN).toPlainString() + prefix.abbrev;
428 }
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1 /*
2 * Copyright (c) 2007, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
28 /*
29 *
30 * <p><b>This is NOT part of any API supported by Sun Microsystems.
31 * If you write code that depends on this, you do so at your own
32 * risk. This code and its internal interfaces are subject to change
33 * or deletion without notice.</b>
34 *
35 */
36
37 /**
38 * A utility package for the java(1), javaw(1) launchers.
39 * The following are helper methods that the native launcher uses
40 * to perform checks etc. using JNI, see src/share/bin/java.c
41 */
42 import java.io.File;
43 import java.io.IOException;
44 import java.io.PrintStream;
45 import java.io.UnsupportedEncodingException;
46 import java.lang.module.Configuration;
47 import java.lang.module.ModuleDescriptor;
48 import java.lang.module.ModuleDescriptor.Exports;
49 import java.lang.module.ModuleDescriptor.Opens;
50 import java.lang.module.ModuleDescriptor.Provides;
51 import java.lang.module.ModuleDescriptor.Requires;
52 import java.lang.module.ModuleFinder;
53 import java.lang.module.ModuleReference;
54 import java.lang.module.ResolvedModule;
55 import java.lang.reflect.InvocationTargetException;
56 import java.lang.reflect.Method;
57 import java.lang.reflect.Modifier;
58 import java.math.BigDecimal;
59 import java.math.RoundingMode;
60 import java.net.URI;
61 import java.nio.charset.Charset;
62 import java.nio.file.DirectoryStream;
63 import java.nio.file.Files;
64 import java.nio.file.Path;
65 import java.text.MessageFormat;
66 import java.text.Normalizer;
67 import java.util.ArrayList;
68 import java.util.Collections;
69 import java.util.Comparator;
70 import java.util.Iterator;
71 import java.util.List;
72 import java.util.Locale;
73 import java.util.Locale.Category;
74 import java.util.Optional;
75 import java.util.Properties;
76 import java.util.ResourceBundle;
77 import java.util.Set;
78 import java.util.TreeSet;
79 import java.util.jar.Attributes;
80 import java.util.jar.JarFile;
81 import java.util.jar.Manifest;
82 import java.util.stream.Collectors;
83 import java.util.stream.Stream;
84
85 import jdk.internal.misc.VM;
86 import jdk.internal.module.ModuleBootstrap;
102 private static final String JAVAFX_FXHELPER_CLASS_NAME_SUFFIX =
103 "sun.launcher.LauncherHelper$FXHelper";
104 private static final String LAUNCHER_AGENT_CLASS = "Launcher-Agent-Class";
105 private static final String MAIN_CLASS = "Main-Class";
106 private static final String ADD_EXPORTS = "Add-Exports";
107 private static final String ADD_OPENS = "Add-Opens";
108
109 private static StringBuilder outBuf = new StringBuilder();
110
111 private static final String INDENT = " ";
112 private static final String VM_SETTINGS = "VM settings:";
113 private static final String PROP_SETTINGS = "Property settings:";
114 private static final String LOCALE_SETTINGS = "Locale settings:";
115
116 // sync with java.c and jdk.internal.misc.VM
117 private static final String diagprop = "sun.java.launcher.diag";
118 static final boolean trace = VM.getSavedProperty(diagprop) != null;
119
120 private static final String defaultBundleName =
121 "sun.launcher.resources.launcher";
122 private static final long LONG_RETVAL_NOT_SUPPORTED = -2;
123 private static class ResourceBundleHolder {
124 private static final ResourceBundle RB =
125 ResourceBundle.getBundle(defaultBundleName);
126 }
127 private static PrintStream ostream;
128 private static Class<?> appClass; // application class, for GUI/reporting purposes
129
130 /*
131 * A method called by the launcher to print out the standard settings,
132 * by default -XshowSettings is equivalent to -XshowSettings:all,
133 * Specific information may be gotten by using suboptions with possible
134 * values vm, properties and locale.
135 *
136 * printToStderr: choose between stdout and stderr
137 *
138 * optionFlag: specifies which options to print default is all other
139 * possible values are vm, properties, locale.
140 *
141 * initialHeapSize: in bytes, as set by the launcher, a zero-value indicates
142 * this code should determine this value, using a suitable method or
309 // print columns of 8
310 if ((i + 1) % 8 == 0) {
311 ostream.println();
312 ostream.print(INDENT + INDENT);
313 }
314 }
315 }
316
317 public static void printSystemMetrics() {
318 Metrics c = Container.metrics();
319
320 ostream.println("Operating System Metrics:");
321
322 if (c == null) {
323 ostream.println(INDENT + "No metrics available for this platform");
324 return;
325 }
326
327 ostream.println(INDENT + "Provider: " + c.getProvider());
328 ostream.println(INDENT + "Effective CPU Count: " + c.getEffectiveCpuCount());
329 ostream.println(formatCpuVal(c.getCpuPeriod(), INDENT + "CPU Period: "));
330 ostream.println(formatCpuVal(c.getCpuQuota(), INDENT + "CPU Quota: "));
331 ostream.println(formatCpuVal(c.getCpuShares(), INDENT + "CPU Shares: "));
332
333 int cpus[] = c.getCpuSetCpus();
334 if (cpus != null) {
335 ostream.println(INDENT + "List of Processors, "
336 + cpus.length + " total: ");
337
338 ostream.print(INDENT);
339 for (int i = 0; i < cpus.length; i++) {
340 ostream.print(cpus[i] + " ");
341 }
342 if (cpus.length > 0) {
343 ostream.println("");
344 }
345 } else {
346 ostream.println(INDENT + "List of Processors: N/A");
347 }
348
349 cpus = c.getEffectiveCpuSetCpus();
350 if (cpus != null) {
351 ostream.println(INDENT + "List of Effective Processors, "
352 + cpus.length + " total: ");
353
354 ostream.print(INDENT);
355 for (int i = 0; i < cpus.length; i++) {
356 ostream.print(cpus[i] + " ");
357 }
358 if (cpus.length > 0) {
359 ostream.println("");
360 }
361 } else {
362 ostream.println(INDENT + "List of Effective Processors: N/A");
363 }
364
365 int mems[] = c.getCpuSetMems();
366 if (mems != null) {
367 ostream.println(INDENT + "List of Memory Nodes, "
368 + mems.length + " total: ");
369
370 ostream.print(INDENT);
371 for (int i = 0; i < mems.length; i++) {
372 ostream.print(mems[i] + " ");
373 }
374 if (mems.length > 0) {
375 ostream.println("");
376 }
377 } else {
378 ostream.println(INDENT + "List of Memory Nodes: N/A");
379 }
380
381 mems = c.getEffectiveCpuSetMems();
382 if (mems != null) {
383 ostream.println(INDENT + "List of Available Memory Nodes, "
384 + mems.length + " total: ");
385
386 ostream.print(INDENT);
387 for (int i = 0; i < mems.length; i++) {
388 ostream.print(mems[i] + " ");
389 }
390 if (mems.length > 0) {
391 ostream.println("");
392 }
393 } else {
394 ostream.println(INDENT + "List of Available Memory Nodes: N/A");
395 }
396
397 long limit = c.getMemoryLimit();
398 ostream.println(formatLimitString(limit, INDENT + "Memory Limit: "));
399
400 limit = c.getMemorySoftLimit();
401 ostream.println(formatLimitString(limit, INDENT + "Memory Soft Limit: "));
402
403 limit = c.getMemoryAndSwapLimit();
404 ostream.println(formatLimitString(limit, INDENT + "Memory & Swap Limit: "));
405
406 ostream.println("");
407 }
408
409 private static String formatLimitString(long limit, String prefix) {
410 if (limit >= 0) {
411 return prefix + SizePrefix.scaleValue(limit);
412 } else if (limit == LONG_RETVAL_NOT_SUPPORTED) {
413 return prefix + "N/A";
414 } else {
415 return prefix + "Unlimited";
416 }
417 }
418
419 private static String formatCpuVal(long cpuVal, String prefix) {
420 if (cpuVal >= 0) {
421 return prefix + cpuVal + "us";
422 } else if (cpuVal == LONG_RETVAL_NOT_SUPPORTED) {
423 return prefix + "N/A";
424 } else {
425 return prefix + cpuVal;
426 }
427 }
428
429 private static String formatBoolean(Boolean value, String prefix) {
430 if (value != null) {
431 return prefix + value;
432 } else {
433 return prefix + "N/A";
434 }
435 }
436
437 private enum SizePrefix {
438
439 KILO(1024, "K"),
440 MEGA(1024 * 1024, "M"),
441 GIGA(1024 * 1024 * 1024, "G"),
442 TERA(1024L * 1024L * 1024L * 1024L, "T");
443 long size;
444 String abbrev;
445
446 SizePrefix(long size, String abbrev) {
447 this.size = size;
448 this.abbrev = abbrev;
449 }
450
451 private static String scale(long v, SizePrefix prefix) {
452 return BigDecimal.valueOf(v).divide(BigDecimal.valueOf(prefix.size),
453 2, RoundingMode.HALF_EVEN).toPlainString() + prefix.abbrev;
454 }
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