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root/jsr166/jsr166/src/test/tck/JSR166TestCase.java
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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.168 by jsr166, Mon Oct 5 22:53:25 2015 UTC vs.
Revision 1.173 by jsr166, Fri Oct 9 16:24:12 2015 UTC

# Line 20 | Line 20 | import java.lang.management.ThreadMXBean
20   import java.lang.reflect.Constructor;
21   import java.lang.reflect.Method;
22   import java.lang.reflect.Modifier;
23 + import java.nio.file.Files;
24 + import java.nio.file.Paths;
25   import java.security.CodeSource;
26   import java.security.Permission;
27   import java.security.PermissionCollection;
# Line 52 | Line 54 | import java.util.concurrent.ThreadFactor
54   import java.util.concurrent.ThreadPoolExecutor;
55   import java.util.concurrent.TimeoutException;
56   import java.util.concurrent.atomic.AtomicReference;
57 + import java.util.regex.Matcher;
58   import java.util.regex.Pattern;
59  
60   import junit.framework.AssertionFailedError;
# Line 188 | Line 191 | public class JSR166TestCase extends Test
191          return (regex == null) ? null : Pattern.compile(regex);
192      }
193  
194 +    // Instrumentation to debug very rare, but very annoying hung test runs.
195      static volatile TestCase currentTestCase;
196 +    // static volatile int currentRun = 0;
197      static {
198          Runnable checkForWedgedTest = new Runnable() { public void run() {
199              // avoid spurious reports with enormous runsPerTest
# Line 197 | Line 202 | public class JSR166TestCase extends Test
202                  try { MINUTES.sleep(timeoutMinutes); }
203                  catch (InterruptedException unexpected) { break; }
204                  if (lastTestCase == currentTestCase) {
205 <                    System.err.println
206 <                        ("Looks like we're stuck running test: "
207 <                         + lastTestCase);
205 >                    System.err.printf(
206 >                        "Looks like we're stuck running test: %s%n",
207 >                        lastTestCase);
208 > //                     System.err.printf(
209 > //                         "Looks like we're stuck running test: %s (%d/%d)%n",
210 > //                         lastTestCase, currentRun, runsPerTest);
211 >                    System.err.println("availableProcessors=" +
212 >                        Runtime.getRuntime().availableProcessors());
213 >                    System.err.printf("cpu model = %s%n", cpuModel());
214                      dumpTestThreads();
215                      // one stack dump is probably enough; more would be spam
216                      break;
# Line 211 | Line 222 | public class JSR166TestCase extends Test
222          thread.start();
223      }
224  
225 +    public static String cpuModel() {
226 +        try {
227 +            Matcher matcher = Pattern.compile("model name\\s*: (.*)")
228 +                .matcher(new String(
229 +                     Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
230 +            matcher.find();
231 +            return matcher.group(1);
232 +        } catch (Exception ex) { return null; }
233 +    }
234 +
235      public void runBare() throws Throwable {
236          currentTestCase = this;
237          if (methodFilter == null
# Line 220 | Line 241 | public class JSR166TestCase extends Test
241  
242      protected void runTest() throws Throwable {
243          for (int i = 0; i < runsPerTest; i++) {
244 +            // currentRun = i;
245              if (profileTests)
246                  runTestProfiled();
247              else

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