1 /*
2 * Copyright (c) 2009, 2013, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /**
26 * A SAX based parser of LogCompilation output from HotSpot. It takes a complete
27 * @author never
28 */
29
30 package com.sun.hotspot.tools.compiler;
31
32 import java.io.FileReader;
33 import java.io.Reader;
34 import java.util.ArrayDeque;
35 import java.util.ArrayList;
36 import java.util.Collections;
37 import java.util.Comparator;
38 import java.util.HashMap;
39 import java.util.LinkedHashMap;
40 import java.util.Stack;
41 import javax.xml.parsers.SAXParser;
42 import javax.xml.parsers.SAXParserFactory;
43 import org.xml.sax.Attributes;
44 import org.xml.sax.ErrorHandler;
45 import org.xml.sax.InputSource;
46 import org.xml.sax.helpers.DefaultHandler;
47
48 public class LogParser extends DefaultHandler implements ErrorHandler, Constants {
49
50 static final HashMap<String, String> typeMap;
51 static {
52 typeMap = new HashMap<String, String>();
117 if (difference < 0) {
118 return -1;
119 }
120 if (difference > 0) {
121 return 1;
122 }
123 return 0;
124 }
125
126 @Override
127 public boolean equals(Object other) {
128 return false;
129 }
130
131 @Override
132 public int hashCode() {
133 return 7;
134 }
135 };
136
137 private ArrayList<LogEvent> events = new ArrayList<LogEvent>();
138
139 private HashMap<String, String> types = new HashMap<String, String>();
140 private HashMap<String, Method> methods = new HashMap<String, Method>();
141 private LinkedHashMap<String, NMethod> nmethods = new LinkedHashMap<String, NMethod>();
142 private HashMap<String, Compilation> compiles = new HashMap<String, Compilation>();
143 private String failureReason;
144 private int bci;
145 private Stack<CallSite> scopes = new Stack<CallSite>();
146 private Compilation compile;
147 private CallSite site;
148 private CallSite methodHandleSite;
149 private Stack<Phase> phaseStack = new Stack<Phase>();
150 private UncommonTrapEvent currentTrap;
151 private Stack<CallSite> lateInlineScope;
152 private boolean lateInlining;
153
154
155 long parseLong(String l) {
156 try {
175 }
176
177 public static ArrayList<LogEvent> parse(String file, boolean cleanup) throws Exception {
178 return parse(new FileReader(file), cleanup);
179 }
180
181 public static ArrayList<LogEvent> parse(Reader reader, boolean cleanup) throws Exception {
182 // Create the XML input factory
183 SAXParserFactory factory = SAXParserFactory.newInstance();
184
185 // Create the XML LogEvent reader
186 SAXParser p = factory.newSAXParser();
187
188 if (cleanup) {
189 // some versions of the log have slightly malformed XML, so clean it
190 // up before passing it to SAX
191 reader = new LogCleanupReader(reader);
192 }
193
194 LogParser log = new LogParser();
195 p.parse(new InputSource(reader), log);
196
197 // Associate compilations with their NMethods
198 for (NMethod nm : log.nmethods.values()) {
199 Compilation c = log.compiles.get(nm.getId());
200 nm.setCompilation(c);
201 // Native wrappers for methods don't have a compilation
202 if (c != null) {
203 c.setNMethod(nm);
204 }
205 }
206
207 // Initially we want the LogEvent log sorted by timestamp
208 Collections.sort(log.events, sortByStart);
209
210 return log.events;
211 }
212
213 String search(Attributes attr, String name) {
214 String result = attr.getValue(name);
215 if (result != null) {
401 String id = makeId(atts);
402 NMethod nm = nmethods.get(id);
403 if (nm == null) throw new InternalError();
404 LogEvent e = new MakeNotEntrantEvent(Double.parseDouble(search(atts, "stamp")), id,
405 atts.getValue("zombie") != null, nm);
406 events.add(e);
407 } else if (qname.equals("uncommon_trap")) {
408 String id = atts.getValue("compile_id");
409 if (id != null) {
410 id = makeId(atts);
411 currentTrap = new UncommonTrapEvent(Double.parseDouble(search(atts, "stamp")),
412 id,
413 atts.getValue("reason"),
414 atts.getValue("action"),
415 Integer.parseInt(search(atts, "count", "0")));
416 events.add(currentTrap);
417 } else {
418 // uncommon trap inserted during parsing.
419 // ignore for now
420 }
421 } else if (qname.equals("late_inline")) {
422 long inlineId = Long.parseLong(search(atts, "inline_id"));
423 lateInlineScope = new Stack<CallSite>();
424 site = new CallSite(-999, method(search(atts, "method")));
425 site.setInlineId(inlineId);
426 lateInlineScope.push(site);
427 } else if (qname.equals("jvms")) {
428 // <jvms bci='4' method='java/io/DataInputStream readChar ()C' bytes='40' count='5815' iicount='20815'/>
429 if (currentTrap != null) {
430 currentTrap.addJVMS(atts.getValue("method"), Integer.parseInt(atts.getValue("bci")));
431 } else if (lateInlineScope != null) {
432 bci = Integer.parseInt(search(atts, "bci"));
433 site = new CallSite(bci, method(search(atts, "method")));
434 lateInlineScope.push(site);
435 } else {
436 // Ignore <eliminate_allocation type='667'>,
437 // <eliminate_lock lock='1'>,
438 // <replace_string_concat arguments='2' string_alloc='0' multiple='0'>
439 }
440 } else if (qname.equals("inline_id")) {
495 CallSite call = scopes.pop();
496 call.setEndNodes(Integer.parseInt(search(atts, "nodes", "0")));
497 call.setEndLiveNodes(Integer.parseInt(search(atts, "live", "0")));
498 call.setTimeStamp(Double.parseDouble(search(atts, "stamp")));
499 scopes.push(call);
500 }
501 }
502
503 @Override
504 public void endElement(String uri,
505 String localName,
506 String qname) {
507 if (qname.equals("parse")) {
508 indent -= 2;
509 scopes.pop();
510 if (scopes.size() == 0) {
511 lateInlining = false;
512 }
513 } else if (qname.equals("uncommon_trap")) {
514 currentTrap = null;
515 } else if (qname.equals("late_inline")) {
516 // Populate late inlining info.
517 if (scopes.size() != 0) {
518 throw new InternalError("scopes should be empty for late inline");
519 }
520 // late inline scopes are specified in reverse order:
521 // compiled method should be on top of stack.
522 CallSite caller = lateInlineScope.pop();
523 Method m = compile.getMethod();
524 if (m != caller.getMethod()) {
525 System.out.println(m);
526 System.out.println(caller.getMethod() + " bci: " + bci);
527 throw new InternalError("call site and late_inline info don't match");
528 }
529
530 // late_inline contains caller+bci info, convert it
531 // to bci+callee info used by LogCompilation.
532 CallSite lateInlineSite = compile.getLateInlineCall();
533 ArrayDeque<CallSite> thisCallScopes = new ArrayDeque<CallSite>();
534 do {
535 bci = caller.getBci();
536 // Next inlined call.
537 caller = lateInlineScope.pop();
538 CallSite callee = new CallSite(bci, caller.getMethod());
539 callee.setInlineId(caller.getInlineId());
540 thisCallScopes.addLast(callee);
541 lateInlineSite.add(callee);
542 lateInlineSite = callee;
543 } while (!lateInlineScope.empty());
544
545 site = compile.getCall().findCallSite(thisCallScopes);
546 if (site == null) {
|
1 /*
2 * Copyright (c) 2009, 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /**
26 * A SAX based parser of LogCompilation output from HotSpot. It takes a complete
27 */
28
29 package com.sun.hotspot.tools.compiler;
30
31 import java.io.FileReader;
32 import java.io.PrintStream;
33 import java.io.Reader;
34 import java.util.ArrayDeque;
35 import java.util.ArrayList;
36 import java.util.Collections;
37 import java.util.Comparator;
38 import java.util.HashMap;
39 import java.util.LinkedHashMap;
40 import java.util.Stack;
41 import javax.xml.parsers.SAXParser;
42 import javax.xml.parsers.SAXParserFactory;
43 import org.xml.sax.Attributes;
44 import org.xml.sax.ErrorHandler;
45 import org.xml.sax.InputSource;
46 import org.xml.sax.helpers.DefaultHandler;
47
48 public class LogParser extends DefaultHandler implements ErrorHandler, Constants {
49
50 static final HashMap<String, String> typeMap;
51 static {
52 typeMap = new HashMap<String, String>();
117 if (difference < 0) {
118 return -1;
119 }
120 if (difference > 0) {
121 return 1;
122 }
123 return 0;
124 }
125
126 @Override
127 public boolean equals(Object other) {
128 return false;
129 }
130
131 @Override
132 public int hashCode() {
133 return 7;
134 }
135 };
136
137 class Jvms {
138 Jvms(Method method, int bci) {
139 this.method = method;
140 this.bci = bci;
141 }
142 final public Method method;
143 final public int bci;
144 final public String toString() {
145 return "@" + bci + " " + method;
146 }
147 }
148
149 class LockElimination extends BasicLogEvent {
150
151 ArrayList<Jvms> jvms = new ArrayList<Jvms>(1);
152 final String kind;
153 final String classId;
154 final String tagName;
155 LockElimination(String tagName, double start, String id, String kind, String classId) {
156 super(start, id);
157 this.kind = kind;
158 this.classId = classId;
159 this.tagName = tagName;
160 }
161
162 @Override
163 public void print(PrintStream stream) {
164 stream.printf("%s %s %s %s %.3f ", getId(), tagName, kind, classId, getStart());
165 stream.print(jvms.toString());
166 stream.print("\n");
167 }
168
169 void addJVMS(Method method, int bci) {
170 jvms.add(new Jvms(method, bci));
171 }
172
173 }
174
175 private ArrayList<LogEvent> events = new ArrayList<LogEvent>();
176
177 private HashMap<String, String> types = new HashMap<String, String>();
178 private HashMap<String, Method> methods = new HashMap<String, Method>();
179 private LinkedHashMap<String, NMethod> nmethods = new LinkedHashMap<String, NMethod>();
180 private HashMap<String, Compilation> compiles = new HashMap<String, Compilation>();
181 private String failureReason;
182 private int bci;
183 private Stack<CallSite> scopes = new Stack<CallSite>();
184 private Compilation compile;
185 private CallSite site;
186 private CallSite methodHandleSite;
187 private Stack<Phase> phaseStack = new Stack<Phase>();
188 private UncommonTrapEvent currentTrap;
189 private Stack<CallSite> lateInlineScope;
190 private boolean lateInlining;
191
192
193 long parseLong(String l) {
194 try {
213 }
214
215 public static ArrayList<LogEvent> parse(String file, boolean cleanup) throws Exception {
216 return parse(new FileReader(file), cleanup);
217 }
218
219 public static ArrayList<LogEvent> parse(Reader reader, boolean cleanup) throws Exception {
220 // Create the XML input factory
221 SAXParserFactory factory = SAXParserFactory.newInstance();
222
223 // Create the XML LogEvent reader
224 SAXParser p = factory.newSAXParser();
225
226 if (cleanup) {
227 // some versions of the log have slightly malformed XML, so clean it
228 // up before passing it to SAX
229 reader = new LogCleanupReader(reader);
230 }
231
232 LogParser log = new LogParser();
233 try {
234 p.parse(new InputSource(reader), log);
235 } catch (Throwable th) {
236 th.printStackTrace();
237 // Carry on with what we've got...
238 }
239
240 // Associate compilations with their NMethods
241 for (NMethod nm : log.nmethods.values()) {
242 Compilation c = log.compiles.get(nm.getId());
243 nm.setCompilation(c);
244 // Native wrappers for methods don't have a compilation
245 if (c != null) {
246 c.setNMethod(nm);
247 }
248 }
249
250 // Initially we want the LogEvent log sorted by timestamp
251 Collections.sort(log.events, sortByStart);
252
253 return log.events;
254 }
255
256 String search(Attributes attr, String name) {
257 String result = attr.getValue(name);
258 if (result != null) {
444 String id = makeId(atts);
445 NMethod nm = nmethods.get(id);
446 if (nm == null) throw new InternalError();
447 LogEvent e = new MakeNotEntrantEvent(Double.parseDouble(search(atts, "stamp")), id,
448 atts.getValue("zombie") != null, nm);
449 events.add(e);
450 } else if (qname.equals("uncommon_trap")) {
451 String id = atts.getValue("compile_id");
452 if (id != null) {
453 id = makeId(atts);
454 currentTrap = new UncommonTrapEvent(Double.parseDouble(search(atts, "stamp")),
455 id,
456 atts.getValue("reason"),
457 atts.getValue("action"),
458 Integer.parseInt(search(atts, "count", "0")));
459 events.add(currentTrap);
460 } else {
461 // uncommon trap inserted during parsing.
462 // ignore for now
463 }
464 } else if (qname.startsWith("eliminate_lock")) {
465 String id = atts.getValue("compile_id");
466 if (id != null) {
467 id = makeId(atts);
468 String kind = atts.getValue("kind");
469 String classId = atts.getValue("class_id");
470 currentLockElimination = new LockElimination(qname, Double.parseDouble(search(atts, "stamp")), id, kind, classId);
471 events.add(currentLockElimination);
472 }
473 } else if (qname.equals("late_inline")) {
474 long inlineId = Long.parseLong(search(atts, "inline_id"));
475 lateInlineScope = new Stack<CallSite>();
476 site = new CallSite(-999, method(search(atts, "method")));
477 site.setInlineId(inlineId);
478 lateInlineScope.push(site);
479 } else if (qname.equals("jvms")) {
480 // <jvms bci='4' method='java/io/DataInputStream readChar ()C' bytes='40' count='5815' iicount='20815'/>
481 if (currentTrap != null) {
482 currentTrap.addJVMS(atts.getValue("method"), Integer.parseInt(atts.getValue("bci")));
483 } else if (lateInlineScope != null) {
484 bci = Integer.parseInt(search(atts, "bci"));
485 site = new CallSite(bci, method(search(atts, "method")));
486 lateInlineScope.push(site);
487 } else {
488 // Ignore <eliminate_allocation type='667'>,
489 // <eliminate_lock lock='1'>,
490 // <replace_string_concat arguments='2' string_alloc='0' multiple='0'>
491 }
492 } else if (qname.equals("inline_id")) {
547 CallSite call = scopes.pop();
548 call.setEndNodes(Integer.parseInt(search(atts, "nodes", "0")));
549 call.setEndLiveNodes(Integer.parseInt(search(atts, "live", "0")));
550 call.setTimeStamp(Double.parseDouble(search(atts, "stamp")));
551 scopes.push(call);
552 }
553 }
554
555 @Override
556 public void endElement(String uri,
557 String localName,
558 String qname) {
559 if (qname.equals("parse")) {
560 indent -= 2;
561 scopes.pop();
562 if (scopes.size() == 0) {
563 lateInlining = false;
564 }
565 } else if (qname.equals("uncommon_trap")) {
566 currentTrap = null;
567 } else if (qname.startsWith("eliminate_lock")) {
568 currentLockElimination = null;
569 } else if (qname.equals("late_inline")) {
570 // Populate late inlining info.
571 if (scopes.size() != 0) {
572 throw new InternalError("scopes should be empty for late inline");
573 }
574 // late inline scopes are specified in reverse order:
575 // compiled method should be on top of stack.
576 CallSite caller = lateInlineScope.pop();
577 Method m = compile.getMethod();
578 if (m != caller.getMethod()) {
579 System.err.println(m);
580 System.err.println(caller.getMethod() + " bci: " + bci);
581 throw new InternalError("call site and late_inline info don't match");
582 }
583
584 // late_inline contains caller+bci info, convert it
585 // to bci+callee info used by LogCompilation.
586 CallSite lateInlineSite = compile.getLateInlineCall();
587 ArrayDeque<CallSite> thisCallScopes = new ArrayDeque<CallSite>();
588 do {
589 bci = caller.getBci();
590 // Next inlined call.
591 caller = lateInlineScope.pop();
592 CallSite callee = new CallSite(bci, caller.getMethod());
593 callee.setInlineId(caller.getInlineId());
594 thisCallScopes.addLast(callee);
595 lateInlineSite.add(callee);
596 lateInlineSite = callee;
597 } while (!lateInlineScope.empty());
598
599 site = compile.getCall().findCallSite(thisCallScopes);
600 if (site == null) {
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