76 |
77 |
77 if (customJar != null) { |
78 if (customJar != null) { |
78 if ("FINGERPRINT_MODE".equals(args[1])) { |
79 if ("FINGERPRINT_MODE".equals(args[1])) { |
79 mode = FINGERPRINT_MODE; |
80 mode = FINGERPRINT_MODE; |
80 classLoaders = new ClassLoader[NUM_THREADS]; |
81 classLoaders = new ClassLoader[NUM_THREADS]; |
81 for (int i=0; i<NUM_THREADS; i++) { |
82 for (int i = 0; i < NUM_THREADS; i++) { |
82 URL url = new File(customJar).toURI().toURL(); |
83 URL url = new File(customJar).toURI().toURL(); |
83 URL[] urls = new URL[] {url}; |
84 URL[] urls = new URL[] {url}; |
84 classLoaders[i] = new URLClassLoader(urls); |
85 classLoaders[i] = new URLClassLoader(urls); |
85 } |
86 } |
86 } else { |
87 } else { |
91 } |
92 } |
92 |
93 |
93 System.out.println("Start Parallel Load ..."); |
94 System.out.println("Start Parallel Load ..."); |
94 |
95 |
95 Thread thread[] = new Thread[NUM_THREADS]; |
96 Thread thread[] = new Thread[NUM_THREADS]; |
96 for (int i=0; i<NUM_THREADS; i++) { |
97 for (int i = 0; i < NUM_THREADS; i++) { |
97 Thread t = new ParallelLoadThread(i); |
98 Thread t = new ParallelLoadThread(i); |
98 t.start(); |
99 t.start(); |
99 thread[i] = t; |
100 thread[i] = t; |
100 } |
101 } |
101 |
102 |
102 Thread watchdog = new ParallelLoadWatchdog(); |
103 Thread watchdog = new ParallelLoadWatchdog(); |
103 watchdog.setDaemon(true); |
104 watchdog.setDaemon(true); |
104 watchdog.start(); |
105 watchdog.start(); |
105 |
106 |
106 for (int i=0; i<NUM_THREADS; i++) { |
107 for (int i = 0; i < NUM_THREADS; i++) { |
107 thread[i].join(); |
108 thread[i].join(); |
108 } |
109 } |
109 System.out.println("Parallel Load ... done"); |
110 System.out.println("Parallel Load ... done"); |
110 System.exit(0); |
111 System.exit(0); |
111 } |
112 } |
126 } |
127 } |
127 }; |
128 }; |
128 |
129 |
129 |
130 |
130 class ParallelLoadThread extends Thread { |
131 class ParallelLoadThread extends Thread { |
131 static int num_ready[] = new int[ParallelLoad.MAX_CLASSES]; |
132 static AtomicInteger num_ready[]; |
132 static Object lock = new Object(); |
133 static { |
|
134 num_ready = new AtomicInteger[ParallelLoad.MAX_CLASSES]; |
|
135 for (int i = 0; i < ParallelLoad.MAX_CLASSES; i++) { |
|
136 num_ready[i] = new AtomicInteger(); |
|
137 } |
|
138 } |
133 static String transformMode = |
139 static String transformMode = |
134 System.getProperty("appcds.parallel.transform.mode", "none"); |
140 System.getProperty("appcds.parallel.transform.mode", "none"); |
135 |
141 |
136 int thread_id; |
142 int thread_id; |
137 ParallelLoadThread(int thread_id) { |
143 ParallelLoadThread(int thread_id) { |
151 String msg0 = "ParallelLoadThread: " + String.format(msg, args); |
157 String msg0 = "ParallelLoadThread: " + String.format(msg, args); |
152 System.out.println(msg0); |
158 System.out.println(msg0); |
153 } |
159 } |
154 |
160 |
155 private void run0() throws Throwable { |
161 private void run0() throws Throwable { |
156 for (int i=0; i<ParallelLoad.MAX_CLASSES; i++) { |
162 for (int i = 0; i < ParallelLoad.MAX_CLASSES; i++) { |
157 synchronized(lock) { |
163 String className = "ParallelClass" + i; |
158 num_ready[i] ++; |
164 if (transformMode.equals("cflh")) { |
159 while (num_ready[i] < ParallelLoad.NUM_THREADS) { |
165 className = "ParallelClassTr" + i; |
160 lock.wait(); |
166 } |
|
167 Class clazz = null; |
|
168 |
|
169 // Spin until every thread is ready to proceed |
|
170 num_ready[i].incrementAndGet(); |
|
171 while (num_ready[i].intValue() < ParallelLoad.NUM_THREADS) { |
|
172 ; |
|
173 } |
|
174 |
|
175 { // Avoid logging in this block so the threads can proceed without |
|
176 // waiting for the stdout lock, etc. |
|
177 switch (ParallelLoad.loaderType) { |
|
178 case ParallelLoad.SYSTEM_LOADER: |
|
179 clazz = Class.forName(className); |
|
180 break; |
|
181 case ParallelLoad.SINGLE_CUSTOM_LOADER: |
|
182 clazz = ParallelLoad.classLoaders[0].loadClass(className); |
|
183 break; |
|
184 case ParallelLoad.MULTI_CUSTOM_LOADER: |
|
185 clazz = ParallelLoad.classLoaders[thread_id].loadClass(className); |
|
186 break; |
161 } |
187 } |
162 lock.notifyAll(); |
188 testTransformation(clazz); |
163 } |
189 } |
164 log("this = %s %d", this, i); |
190 |
165 String className = "ParallelClass" + i; |
191 log("thread[%d] t = %s, c = %s, l = %s", thread_id, this, clazz, clazz.getClassLoader()); |
166 if (transformMode.equals("cflh")) |
|
167 className = "ParallelClassTr" + i; |
|
168 |
|
169 Class clazz = null; |
|
170 |
|
171 switch (ParallelLoad.loaderType) { |
|
172 case ParallelLoad.SYSTEM_LOADER: |
|
173 clazz = Class.forName(className); |
|
174 break; |
|
175 case ParallelLoad.SINGLE_CUSTOM_LOADER: |
|
176 clazz = ParallelLoad.classLoaders[0].loadClass(className); |
|
177 break; |
|
178 case ParallelLoad.MULTI_CUSTOM_LOADER: |
|
179 clazz = ParallelLoad.classLoaders[thread_id].loadClass(className); |
|
180 break; |
|
181 } |
|
182 |
|
183 log("clazz = %s", clazz); |
|
184 testTransformation(clazz); |
|
185 } |
192 } |
186 } |
193 } |
187 |
194 |
188 private void testTransformation(Class c) throws Exception { |
195 private void testTransformation(Class c) throws Exception { |
189 if (transformMode.equals("none")) |
196 if (transformMode.equals("none")) |