1 cananian 1.1.2.3 // CollectSyncStats.java, created Thu Jul 13 2:18:28 2000 by jwhaley
2 jwhaley 1.1.2.1 // Copyright (C) 2000 John Whaley <jwhaley@alum.mit.edu>
3 jwhaley 1.1.2.1 // Licensed under the terms of the GNU GPL; see COPYING for details.
4 jwhaley 1.1.2.1
5 jwhaley 1.1.2.1 package harpoon.Analysis.Quads;
6 jwhaley 1.1.2.1
7 jwhaley 1.1.2.1 import java.util.Set;
8 jwhaley 1.1.2.1 import java.util.AbstractSet;
9 jwhaley 1.1.2.1 import java.util.List;
10 jwhaley 1.1.2.1 import java.util.ArrayList;
11 jwhaley 1.1.2.1 import java.util.LinkedList;
12 jwhaley 1.1.2.1 import java.util.Iterator;
13 jwhaley 1.1.2.1 import java.util.Map;
14 jwhaley 1.1.2.1 import java.util.AbstractMap;
15 jwhaley 1.1.2.1 import java.util.HashMap;
16 jwhaley 1.1.2.1 import java.util.NoSuchElementException;
17 jwhaley 1.1.2.1
18 jwhaley 1.1.2.1 import java.lang.ref.WeakReference;
19 jwhaley 1.1.2.1 import java.lang.ref.ReferenceQueue;
20 jwhaley 1.1.2.1
21 jwhaley 1.1.2.2 import java.io.FileDescriptor;
22 jwhaley 1.1.2.2 import java.util.Hashtable;
23 jwhaley 1.1.2.2 import java.net.InetAddress;
24 jwhaley 1.1.2.2 import java.lang.reflect.Member;
25 jwhaley 1.1.2.2
26 jwhaley 1.1.2.1 /**
27 jwhaley 1.1.2.1 * <code>CollectSyncStats</code> is used at run time to collect information
28 jwhaley 1.1.2.1 * about synchronization operations. (<code>InstrumentSyncOps</code>
29 jwhaley 1.1.2.1 * instruments code to add calls to methods in this class.)
30 jwhaley 1.1.2.1 *
31 jwhaley 1.1.2.1 * @author John Whaley <jwhaley@alum.mit.edu>
32 cananian 1.3 * @version $Id: CollectSyncStats.java,v 1.3 2004/02/08 03:20:10 cananian Exp $
33 jwhaley 1.1.2.1 */
34 jwhaley 1.1.2.1
35 jwhaley 1.1.2.1 public abstract class CollectSyncStats {
36 jwhaley 1.1.2.1
37 jwhaley 1.1.2.1 static boolean hasdumped = false;
38 jwhaley 1.1.2.1
39 jwhaley 1.1.2.1 public static void main(String[] args) throws Throwable {
40 jwhaley 1.1.2.1 String classname = args[0];
41 jwhaley 1.1.2.1 Class c = Class.forName(classname);
42 jwhaley 1.1.2.1 if (c == null) {
43 jwhaley 1.1.2.1 System.err.println("Error loading class "+classname);
44 jwhaley 1.1.2.1 return;
45 jwhaley 1.1.2.1 }
46 jwhaley 1.1.2.1 //Class[] argdesc = new Class[] { java.lang.reflect.Array.newInstance(String.class, 0).getClass() };
47 jwhaley 1.1.2.1 Class[] argdesc = new Class[] { Class.forName("[Ljava.lang.String;") };
48 jwhaley 1.1.2.1 java.lang.reflect.Method m = c.getMethod("main", argdesc);
49 jwhaley 1.1.2.1 if (m == null) {
50 jwhaley 1.1.2.1 System.err.println("No main method in class "+c);
51 jwhaley 1.1.2.1 return;
52 jwhaley 1.1.2.1 }
53 jwhaley 1.1.2.1 String[] arg = new String[args.length-1];
54 jwhaley 1.1.2.1 System.arraycopy(args, 1, arg, 0, arg.length);
55 jwhaley 1.1.2.1 try {
56 jwhaley 1.1.2.1 System.runFinalizersOnExit(true);
57 jwhaley 1.1.2.1 CollectSyncStats.init(2, 2);
58 jwhaley 1.1.2.1 System.setSecurityManager(new SecurityManager() {
59 jwhaley 1.1.2.1 public void checkExit(int status) { throw new SecurityException(); }
60 jwhaley 1.1.2.2
61 jwhaley 1.1.2.2 public void checkCreateClassLoader() { }
62 jwhaley 1.1.2.2 public void checkAccess(Thread g) { }
63 jwhaley 1.1.2.2 public void checkAccess(ThreadGroup g) { }
64 jwhaley 1.1.2.2 public void checkExec(String cmd) { }
65 jwhaley 1.1.2.2 public void checkLink(String lib) { }
66 jwhaley 1.1.2.2 public void checkRead(FileDescriptor fd) { }
67 jwhaley 1.1.2.2 public void checkRead(String file) { }
68 jwhaley 1.1.2.2 public void checkRead(String file, Object context) { }
69 jwhaley 1.1.2.2 public void checkWrite(FileDescriptor fd) { }
70 jwhaley 1.1.2.2 public void checkWrite(String file) { }
71 jwhaley 1.1.2.2 public void checkDelete(String file) { }
72 jwhaley 1.1.2.2 public void checkConnect(String host, int port) { }
73 jwhaley 1.1.2.2 public void checkConnect(String host, int port, Object context) { }
74 jwhaley 1.1.2.2 public void checkListen(int port) { }
75 jwhaley 1.1.2.2 public void checkAccept(String host, int port) { }
76 jwhaley 1.1.2.2 public void checkMulticast(InetAddress maddr) { }
77 jwhaley 1.1.2.2 public void checkMulticast(InetAddress maddr, byte ttl) { }
78 jwhaley 1.1.2.2 public void checkPropertiesAccess() { }
79 jwhaley 1.1.2.2 public void checkPropertyAccess(String key) { }
80 jwhaley 1.1.2.2 public void checkPropertyAccess(String key, String def) { }
81 jwhaley 1.1.2.2 public boolean checkTopLevelWindow(Object window) { return true; }
82 jwhaley 1.1.2.2 public void checkPrintJobAccess() { }
83 jwhaley 1.1.2.2 public void checkSystemClipboardAccess() { }
84 jwhaley 1.1.2.2 public void checkAwtEventQueueAccess() { }
85 jwhaley 1.1.2.2 public void checkPackageAccess(String pkg) { }
86 jwhaley 1.1.2.2 public void checkPackageDefinition(String pkg) { }
87 jwhaley 1.1.2.2 public void checkSetFactory() { }
88 jwhaley 1.1.2.2 public void checkMemberAccess(Class clazz, int which) { }
89 jwhaley 1.1.2.2 public void checkSecurityAccess(String provider) { }
90 jwhaley 1.1.2.2 });
91 jwhaley 1.1.2.1 enabled = true;
92 jwhaley 1.1.2.1 m.invoke(null, new Object[] { arg });
93 jwhaley 1.1.2.1 enabled = false;
94 jwhaley 1.1.2.1 } catch (java.lang.reflect.InvocationTargetException x) {
95 jwhaley 1.1.2.1 throw x.getTargetException();
96 jwhaley 1.1.2.1 } finally {
97 jwhaley 1.1.2.1 dump();
98 jwhaley 1.1.2.1 }
99 jwhaley 1.1.2.1 }
100 jwhaley 1.1.2.1
101 jwhaley 1.1.2.1 /** The <code>WeakIdentityHashMap</code> is used to keep track of objects
102 jwhaley 1.1.2.1 * that have been synchronized on. It uses weak keys and the
103 jwhaley 1.1.2.1 * identityHashCode function.
104 jwhaley 1.1.2.1 */
105 jwhaley 1.1.2.1 static class WeakIdentityHashMap extends AbstractMap implements Map {
106 jwhaley 1.1.2.1
107 jwhaley 1.1.2.1 static private class WeakKey extends WeakReference {
108 jwhaley 1.1.2.1 private int hash;
109 jwhaley 1.1.2.1 private WeakKey(Object k) {
110 jwhaley 1.1.2.1 super(k);
111 jwhaley 1.1.2.1 hash = System.identityHashCode(k);
112 jwhaley 1.1.2.1 }
113 jwhaley 1.1.2.1 private static WeakKey create(Object k) {
114 jwhaley 1.1.2.1 if (k == null) return null;
115 jwhaley 1.1.2.1 else return new WeakKey(k);
116 jwhaley 1.1.2.1 }
117 jwhaley 1.1.2.1 private WeakKey(Object k, ReferenceQueue q) {
118 jwhaley 1.1.2.1 super(k, q);
119 jwhaley 1.1.2.1 hash = System.identityHashCode(k);
120 jwhaley 1.1.2.1 }
121 jwhaley 1.1.2.1 private static WeakKey create(Object k, ReferenceQueue q) {
122 jwhaley 1.1.2.1 if (k == null) return null;
123 jwhaley 1.1.2.1 else return new WeakKey(k, q);
124 jwhaley 1.1.2.1 }
125 jwhaley 1.1.2.1 public boolean equals(Object o) {
126 jwhaley 1.1.2.1 if (this == o) return true;
127 jwhaley 1.1.2.1 if (!(o instanceof WeakKey)) return false;
128 jwhaley 1.1.2.1 Object t = this.get();
129 jwhaley 1.1.2.1 Object u = ((WeakKey)o).get();
130 jwhaley 1.1.2.1 if ((t == null) || (u == null)) return false;
131 jwhaley 1.1.2.1 return (t == u);
132 jwhaley 1.1.2.1 }
133 jwhaley 1.1.2.1 public int hashCode() {
134 jwhaley 1.1.2.1 return hash;
135 jwhaley 1.1.2.1 }
136 jwhaley 1.1.2.1 }
137 jwhaley 1.1.2.1 private Map hash;
138 jwhaley 1.1.2.1 private ReferenceQueue queue = new ReferenceQueue();
139 jwhaley 1.1.2.1 private void processQueue() {
140 jwhaley 1.1.2.1 WeakKey wk;
141 jwhaley 1.1.2.1 while ((wk = (WeakKey)queue.poll()) != null) {
142 jwhaley 1.1.2.1 hash.remove(wk);
143 jwhaley 1.1.2.1 }
144 jwhaley 1.1.2.1 }
145 jwhaley 1.1.2.1 public WeakIdentityHashMap(int initialCapacity, float loadFactor) {
146 jwhaley 1.1.2.1 hash = new HashMap(initialCapacity, loadFactor);
147 jwhaley 1.1.2.1 }
148 jwhaley 1.1.2.1 public WeakIdentityHashMap(int initialCapacity) {
149 jwhaley 1.1.2.1 hash = new HashMap(initialCapacity);
150 jwhaley 1.1.2.1 }
151 jwhaley 1.1.2.1 public WeakIdentityHashMap() {
152 jwhaley 1.1.2.1 hash = new HashMap();
153 jwhaley 1.1.2.1 }
154 jwhaley 1.1.2.1 public int size() {
155 jwhaley 1.1.2.1 return entrySet().size();
156 jwhaley 1.1.2.1 }
157 jwhaley 1.1.2.1 public boolean isEmpty() {
158 jwhaley 1.1.2.1 return entrySet().isEmpty();
159 jwhaley 1.1.2.1 }
160 jwhaley 1.1.2.1 public boolean containsKey(Object key) {
161 jwhaley 1.1.2.1 return hash.containsKey(WeakKey.create(key));
162 jwhaley 1.1.2.1 }
163 jwhaley 1.1.2.1 public Object get(Object key) {
164 jwhaley 1.1.2.1 return hash.get(WeakKey.create(key));
165 jwhaley 1.1.2.1 }
166 jwhaley 1.1.2.1 public Object put(Object key, Object value) {
167 jwhaley 1.1.2.1 processQueue();
168 jwhaley 1.1.2.1 return hash.put(WeakKey.create(key, queue), value);
169 jwhaley 1.1.2.1 }
170 jwhaley 1.1.2.1 public Object remove(Object key) {
171 jwhaley 1.1.2.1 processQueue();
172 jwhaley 1.1.2.1 return hash.remove(WeakKey.create(key));
173 jwhaley 1.1.2.1 }
174 jwhaley 1.1.2.1 public void clear() {
175 jwhaley 1.1.2.1 processQueue();
176 jwhaley 1.1.2.1 hash.clear();
177 jwhaley 1.1.2.1 }
178 jwhaley 1.1.2.1 static private class Entry implements Map.Entry {
179 jwhaley 1.1.2.1 private Map.Entry ent;
180 jwhaley 1.1.2.1 private Object key;
181 jwhaley 1.1.2.1 Entry(Map.Entry ent, Object key) {
182 jwhaley 1.1.2.1 this.ent = ent;
183 jwhaley 1.1.2.1 this.key = key;
184 jwhaley 1.1.2.1 }
185 jwhaley 1.1.2.1 public Object getKey() {
186 jwhaley 1.1.2.1 return key;
187 jwhaley 1.1.2.1 }
188 jwhaley 1.1.2.1 public Object getValue() {
189 jwhaley 1.1.2.1 return ent.getValue();
190 jwhaley 1.1.2.1 }
191 jwhaley 1.1.2.1 public Object setValue(Object value) {
192 jwhaley 1.1.2.1 return ent.setValue(value);
193 jwhaley 1.1.2.1 }
194 jwhaley 1.1.2.1 private static boolean valEquals(Object o1, Object o2) {
195 jwhaley 1.1.2.1 return o1 == o2;
196 jwhaley 1.1.2.1 }
197 jwhaley 1.1.2.1 public boolean equals(Object o) {
198 jwhaley 1.1.2.1 if (! (o instanceof Map.Entry)) return false;
199 jwhaley 1.1.2.1 Map.Entry e = (Map.Entry)o;
200 jwhaley 1.1.2.1 return (valEquals(key, e.getKey())
201 jwhaley 1.1.2.1 && valEquals(getValue(), e.getValue()));
202 jwhaley 1.1.2.1 }
203 jwhaley 1.1.2.1 public int hashCode() {
204 jwhaley 1.1.2.1 Object v;
205 jwhaley 1.1.2.1 return (((key == null) ? 0 : System.identityHashCode(key))
206 jwhaley 1.1.2.1 ^ (((v = getValue()) == null) ? 0 : v.hashCode()));
207 jwhaley 1.1.2.1 }
208 jwhaley 1.1.2.1 }
209 jwhaley 1.1.2.1 private class EntrySet extends AbstractSet {
210 jwhaley 1.1.2.1 Set hashEntrySet = hash.entrySet();
211 jwhaley 1.1.2.1 public Iterator iterator() {
212 jwhaley 1.1.2.1 return new Iterator() {
213 jwhaley 1.1.2.1 Iterator hashIterator = hashEntrySet.iterator();
214 jwhaley 1.1.2.1 Entry next = null;
215 jwhaley 1.1.2.1 public boolean hasNext() {
216 jwhaley 1.1.2.1 while (hashIterator.hasNext()) {
217 jwhaley 1.1.2.1 Map.Entry ent = (Map.Entry)hashIterator.next();
218 jwhaley 1.1.2.1 WeakKey wk = (WeakKey)ent.getKey();
219 jwhaley 1.1.2.1 Object k = null;
220 jwhaley 1.1.2.1 if ((wk != null) && ((k = wk.get()) == null)) {
221 jwhaley 1.1.2.1 /* Weak key has been cleared by GC */
222 jwhaley 1.1.2.1 continue;
223 jwhaley 1.1.2.1 }
224 jwhaley 1.1.2.1 next = new Entry(ent, k);
225 jwhaley 1.1.2.1 return true;
226 jwhaley 1.1.2.1 }
227 jwhaley 1.1.2.1 return false;
228 jwhaley 1.1.2.1 }
229 jwhaley 1.1.2.1 public Object next() {
230 jwhaley 1.1.2.1 if ((next == null) && !hasNext())
231 jwhaley 1.1.2.1 throw new NoSuchElementException();
232 jwhaley 1.1.2.1 Entry e = next;
233 jwhaley 1.1.2.1 next = null;
234 jwhaley 1.1.2.1 return e;
235 jwhaley 1.1.2.1 }
236 jwhaley 1.1.2.1 public void remove() {
237 jwhaley 1.1.2.1 hashIterator.remove();
238 jwhaley 1.1.2.1 }
239 jwhaley 1.1.2.1 };
240 jwhaley 1.1.2.1 }
241 jwhaley 1.1.2.1 public boolean isEmpty() {
242 jwhaley 1.1.2.1 return !(iterator().hasNext());
243 jwhaley 1.1.2.1 }
244 jwhaley 1.1.2.1 public int size() {
245 jwhaley 1.1.2.1 int j = 0;
246 jwhaley 1.1.2.1 for (Iterator i = iterator(); i.hasNext(); i.next()) j++;
247 jwhaley 1.1.2.1 return j;
248 jwhaley 1.1.2.1 }
249 jwhaley 1.1.2.1 public boolean remove(Object o) {
250 jwhaley 1.1.2.1 processQueue();
251 jwhaley 1.1.2.1 if (!(o instanceof Map.Entry)) return false;
252 jwhaley 1.1.2.1 Map.Entry e = (Map.Entry)o;
253 jwhaley 1.1.2.1 Object ev = e.getValue();
254 jwhaley 1.1.2.1 WeakKey wk = WeakKey.create(e.getKey());
255 jwhaley 1.1.2.1 Object hv = hash.get(wk);
256 jwhaley 1.1.2.1 if ((hv == null)
257 jwhaley 1.1.2.1 ? ((ev == null) && hash.containsKey(wk)) : (hv == ev)) {
258 jwhaley 1.1.2.1 hash.remove(wk);
259 jwhaley 1.1.2.1 return true;
260 jwhaley 1.1.2.1 }
261 jwhaley 1.1.2.1 return false;
262 jwhaley 1.1.2.1 }
263 jwhaley 1.1.2.1 public int hashCode() {
264 jwhaley 1.1.2.1 int h = 0;
265 cananian 1.3 for (Object entO : hashEntrySet) {
266 cananian 1.3 Map.Entry ent = (Map.Entry) entO;
267 jwhaley 1.1.2.1 WeakKey wk = (WeakKey)ent.getKey();
268 jwhaley 1.1.2.1 Object v;
269 jwhaley 1.1.2.1 if (wk == null) continue;
270 jwhaley 1.1.2.1 h += (wk.hashCode()
271 jwhaley 1.1.2.1 ^ (((v = ent.getValue()) == null) ? 0 : System.identityHashCode(v)));
272 jwhaley 1.1.2.1 }
273 jwhaley 1.1.2.1 return h;
274 jwhaley 1.1.2.1 }
275 jwhaley 1.1.2.1 }
276 jwhaley 1.1.2.1 private Set entrySet = null;
277 jwhaley 1.1.2.1 public Set entrySet() {
278 jwhaley 1.1.2.1 if (entrySet == null) entrySet = new EntrySet();
279 jwhaley 1.1.2.1 return entrySet;
280 jwhaley 1.1.2.1 }
281 jwhaley 1.1.2.1 }
282 jwhaley 1.1.2.1
283 jwhaley 1.1.2.1 /** Dummy object that we use to insure atomic updates to the counters.
284 jwhaley 1.1.2.1 */
285 jwhaley 1.1.2.1 static Object locking = new Object();
286 jwhaley 1.1.2.1
287 jwhaley 1.1.2.1
288 jwhaley 1.1.2.1 /** All created objects are registered here, associated with their creation site.
289 jwhaley 1.1.2.1 */
290 jwhaley 1.1.2.1 static WeakIdentityHashMap objmap;
291 jwhaley 1.1.2.1
292 jwhaley 1.1.2.1 /** MUST call this function before enabling stats collection.
293 jwhaley 1.1.2.1 */
294 jwhaley 1.1.2.1 public static void init(int nNewTypes, int nLockTypes) {
295 jwhaley 1.1.2.1 objmap = new WeakIdentityHashMap();
296 jwhaley 1.1.2.1 monitorEnterMap = new HashMap();
297 jwhaley 1.1.2.1 monitorExitMap = new HashMap();
298 jwhaley 1.1.2.1 newcount = new int[nNewTypes];
299 jwhaley 1.1.2.1 totalnewcount = 0;
300 jwhaley 1.1.2.1 lockcount = new int[nLockTypes];
301 jwhaley 1.1.2.1 }
302 jwhaley 1.1.2.1
303 jwhaley 1.1.2.1 /** Whether stats collection is currently enabled.
304 jwhaley 1.1.2.1 */
305 jwhaley 1.1.2.1 public static volatile boolean enabled;
306 jwhaley 1.1.2.1
307 jwhaley 1.1.2.1 public static int[] newcount;
308 jwhaley 1.1.2.1 public static int totalnewcount;
309 jwhaley 1.1.2.1 public static void onNew(int index, Object obj, int b) {
310 jwhaley 1.1.2.1 synchronized (locking) {
311 jwhaley 1.1.2.1 if (!enabled) return;
312 jwhaley 1.1.2.1 enabled = false;
313 jwhaley 1.1.2.1 //System.err.println("New "+index+" object "+System.identityHashCode(obj));
314 jwhaley 1.1.2.1 // Register the created object with the given index.
315 jwhaley 1.1.2.1 Integer i = new Integer(index);
316 jwhaley 1.1.2.1 objmap.put(obj, i);
317 jwhaley 1.1.2.1 for (int j=0; j<newcount.length; ++j) {
318 jwhaley 1.1.2.1 if ((b&1) != 0) ++newcount[j];
319 jwhaley 1.1.2.1 b >>= 1;
320 jwhaley 1.1.2.1 }
321 jwhaley 1.1.2.1 ++totalnewcount;
322 jwhaley 1.1.2.1 enabled = true;
323 jwhaley 1.1.2.1 }
324 jwhaley 1.1.2.1 }
325 jwhaley 1.1.2.1
326 jwhaley 1.1.2.1 public static int[] lockcount;
327 jwhaley 1.1.2.1 public static int totallockcount;
328 jwhaley 1.1.2.1 private static void onMonitorHelper(HashMap map, int index, Object obj, int b) {
329 jwhaley 1.1.2.1 synchronized (locking) {
330 jwhaley 1.1.2.1 if (!enabled) return;
331 jwhaley 1.1.2.1 enabled = false;
332 jwhaley 1.1.2.1 //System.err.println("Monitor"+((map == monitorEnterMap)?"enter":"exit")+" id "+index+" on object "+System.identityHashCode(obj));
333 jwhaley 1.1.2.1 // Look up the object id.
334 jwhaley 1.1.2.1 Integer i = (Integer)objmap.get(obj);
335 jwhaley 1.1.2.1 int in;
336 jwhaley 1.1.2.1 if (i == null) in = -1;
337 jwhaley 1.1.2.1 else in = i.intValue();
338 jwhaley 1.1.2.1
339 jwhaley 1.1.2.1 // Bump counter
340 jwhaley 1.1.2.1 Integer j = new Integer(index);
341 jwhaley 1.1.2.1 LinkedList ll = (LinkedList)map.get(j);
342 jwhaley 1.1.2.1 if (ll == null) {
343 jwhaley 1.1.2.1 map.put(j, ll = new LinkedList());
344 jwhaley 1.1.2.1 }
345 jwhaley 1.1.2.1 Counter c = new Counter(in);
346 jwhaley 1.1.2.1 int ind = ll.indexOf(c);
347 jwhaley 1.1.2.1 if (ind == -1) {
348 jwhaley 1.1.2.1 ll.addFirst(c);
349 jwhaley 1.1.2.1 } else {
350 jwhaley 1.1.2.1 c = (Counter)ll.get(ind);
351 jwhaley 1.1.2.1 }
352 jwhaley 1.1.2.1 c.inc();
353 jwhaley 1.1.2.1 for (int k=0; k<lockcount.length; ++k) {
354 jwhaley 1.1.2.1 if ((b&1) != 0) ++lockcount[k];
355 jwhaley 1.1.2.1 b >>= 1;
356 jwhaley 1.1.2.1 }
357 jwhaley 1.1.2.1 ++totallockcount;
358 jwhaley 1.1.2.1 enabled = true;
359 jwhaley 1.1.2.1 }
360 jwhaley 1.1.2.1 }
361 jwhaley 1.1.2.1
362 jwhaley 1.1.2.1 static HashMap monitorEnterMap;
363 jwhaley 1.1.2.1 static HashMap monitorExitMap;
364 jwhaley 1.1.2.1
365 jwhaley 1.1.2.1 public static void onMonitorEnter(int index, Object obj, int b) {
366 jwhaley 1.1.2.1 onMonitorHelper(monitorEnterMap, index, obj, b);
367 jwhaley 1.1.2.1 }
368 jwhaley 1.1.2.1
369 jwhaley 1.1.2.1 public static void onMonitorExit(int index, Object obj, int b) {
370 jwhaley 1.1.2.1 onMonitorHelper(monitorExitMap, index, obj, b);
371 jwhaley 1.1.2.1 }
372 jwhaley 1.1.2.1
373 jwhaley 1.1.2.1 private static int dumpMap(String name, HashMap map) {
374 jwhaley 1.1.2.1 int badsyncs = 0;
375 cananian 1.3 for (Object jO : map.keySet()) {
376 cananian 1.3 Integer j = (Integer) jO;
377 jwhaley 1.1.2.1 System.out.println(name+" id "+j+":");
378 jwhaley 1.1.2.1 LinkedList ll = (LinkedList)map.get(j);
379 jwhaley 1.1.2.1 java.util.Collections.sort(ll);
380 jwhaley 1.1.2.1 Iterator k = ll.iterator();
381 jwhaley 1.1.2.1 int total = 0;
382 jwhaley 1.1.2.1 while (k.hasNext()) {
383 jwhaley 1.1.2.1 Counter l = (Counter)k.next();
384 jwhaley 1.1.2.1 System.out.println("\tObject id "+l.getId()+"\tnum: "+l.getCount());
385 jwhaley 1.1.2.1 total += l.getCount();
386 jwhaley 1.1.2.1 if (l.getId() == -1) badsyncs += l.getCount();
387 jwhaley 1.1.2.1 }
388 jwhaley 1.1.2.1 System.out.println("\t\t\ttot: "+total);
389 jwhaley 1.1.2.1 }
390 jwhaley 1.1.2.1 return badsyncs;
391 jwhaley 1.1.2.1 }
392 jwhaley 1.1.2.1
393 jwhaley 1.1.2.1 public static void dump() {
394 jwhaley 1.1.2.1 int badsyncs;
395 jwhaley 1.1.2.1 enabled = false;
396 jwhaley 1.1.2.1 System.out.println("MONITORENTER stats:");
397 jwhaley 1.1.2.1 badsyncs = dumpMap("MONITORENTER", monitorEnterMap);
398 jwhaley 1.1.2.1 System.out.println("MONITOREXIT stats:");
399 jwhaley 1.1.2.1 badsyncs += dumpMap("MONITOREXIT", monitorExitMap);
400 jwhaley 1.1.2.1 System.out.println("#objs (total): "+totalnewcount);
401 jwhaley 1.1.2.1 for (int j=0; j<newcount.length; ++j) {
402 jwhaley 1.1.2.1 System.out.println("#objs"+j+": "+newcount[j]);
403 jwhaley 1.1.2.1 }
404 jwhaley 1.1.2.1 System.out.println("#locks (total): "+totallockcount);
405 jwhaley 1.1.2.1 for (int j=0; j<lockcount.length; ++j) {
406 jwhaley 1.1.2.1 System.out.println("#locks"+j+": "+lockcount[j]);
407 jwhaley 1.1.2.1 }
408 jwhaley 1.1.2.1 System.out.println("#locks on -1: "+badsyncs);
409 jwhaley 1.1.2.1 hasdumped = true;
410 jwhaley 1.1.2.1 enabled = true;
411 jwhaley 1.1.2.1 }
412 jwhaley 1.1.2.1
413 jwhaley 1.1.2.1 private static class Counter implements Comparable {
414 jwhaley 1.1.2.1 final int id;
415 jwhaley 1.1.2.1 int count;
416 jwhaley 1.1.2.1 Counter(int id) { this.id = id; }
417 jwhaley 1.1.2.1 public boolean equals(Object o) { if (o instanceof Counter) return equals((Counter)o); return false; }
418 jwhaley 1.1.2.1 public boolean equals(Counter that) { return this.id == that.id; }
419 jwhaley 1.1.2.1 public int hashCode() { return id; }
420 jwhaley 1.1.2.1 public int inc() { return ++count; }
421 jwhaley 1.1.2.1 public int getId() { return id; }
422 jwhaley 1.1.2.1 public int getCount() { return count; }
423 jwhaley 1.1.2.1 public int compareTo(Counter that) {
424 jwhaley 1.1.2.1 if (this.id == that.id) return 0;
425 jwhaley 1.1.2.1 else if (this.id < that.id) return -1;
426 jwhaley 1.1.2.1 else return 1;
427 jwhaley 1.1.2.1 }
428 jwhaley 1.1.2.1 public int compareTo(Object o) { return compareTo((Counter)o); }
429 jwhaley 1.1.2.1 }
430 jwhaley 1.1.2.1
431 cananian 1.2 }