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test/hotspot/jtreg/compiler/classUnloading/methodUnloading/TestOverloadCompileQueues.java

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rev 53255 : 8230402: Allocation of compile task fails with assert: "Leaking compilation tasks?"
Summary: Remove assert that is only hit with hand written edge case tests.
Reviewed-by: kvn, thartmann


   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  * @test TestOverloadCompileQueues
  26  * @bug 8163511
  27  * @summary Test overloading the C1 and C2 compile queues with tasks.

  28  * @run main/othervm -XX:-TieredCompilation -XX:CompileThreshold=2 -XX:CICompilerCount=1
  29  *                   compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
  30  * @run main/othervm -XX:TieredCompileTaskTimeout=1000 -XX:CompileThresholdScaling=0.001 -XX:CICompilerCount=2
  31  *                   compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
  32  */
  33 
  34 package compiler.classUnloading.methodUnloading;
  35 
  36 import java.lang.reflect.Method;
  37 import java.net.URL;
  38 import java.net.URLClassLoader;

  39 
  40 public class TestOverloadCompileQueues {
  41     public static final int ITERS = 500; // Increase for longer stress testing



  42 
  43     // Some methods to fill up the compile queue
  44     public static void test0() { }
  45     public static void test1() { }
  46     public static void test2() { }
  47     public static void test3() { }
  48     public static void test4() { }
  49     public static void test5() { }
  50     public static void test6() { }
  51     public static void test7() { }
  52     public static void test8() { }
  53     public static void test9() { }
  54     public static void test10() { }
  55     public static void test11() { }
  56     public static void test12() { }
  57     public static void test13() { }
  58     public static void test14() { }
  59     public static void test15() { }
  60     public static void test16() { }
  61     public static void test17() { }
  62     public static void test18() { }
  63     public static void test19() { }
  64 





















































  65     public static void main(String[] args) throws Throwable {





  66         Class<?> thisClass = TestOverloadCompileQueues.class;
  67         ClassLoader defaultLoader = thisClass.getClassLoader();
  68         URL classesDir = thisClass.getProtectionDomain().getCodeSource().getLocation();
  69 
  70         for (int i = 0; i < ITERS; ++i) {
  71             // Load test class with own class loader
  72             URLClassLoader myLoader = URLClassLoader.newInstance(new URL[] {classesDir}, defaultLoader.getParent());
  73             Class<?> testClass = Class.forName(thisClass.getCanonicalName(), true, myLoader);
  74 
  75             // Execute all test methods to trigger compilation and fill up compile queue
  76             for (int j = 1; j < 20; ++j) {
  77                 Method method = testClass.getDeclaredMethod("test" + j);
  78                 method.invoke(null);
  79                 method.invoke(null);
  80             }
  81 
  82             // Unload dead classes from ealier iterations
  83             System.gc();



















  84         }
  85     }
  86 }


   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  * @test TestOverloadCompileQueues
  26  * @bug 8163511 8230402
  27  * @summary Test overloading the C1 and C2 compile queues with tasks.
  28  * @requires !vm.graal.enabled
  29  * @run main/othervm -XX:-TieredCompilation -XX:CompileThreshold=2 -XX:CICompilerCount=1
  30  *                   compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
  31  * @run main/othervm -XX:TieredCompileTaskTimeout=1000 -XX:CompileThresholdScaling=0.001 -XX:CICompilerCount=2
  32  *                   compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
  33  */
  34 
  35 package compiler.classUnloading.methodUnloading;
  36 
  37 import java.lang.reflect.Method;
  38 import java.net.URL;
  39 import java.net.URLClassLoader;
  40 import java.util.Arrays;
  41 
  42 public class TestOverloadCompileQueues {
  43     public static final int ITERS = 500; // Increase for longer stress testing
  44     public static final int ITERS_A = 1000; // Increase for longer stress testing
  45 
  46     public static int iArr[] = new int[100];
  47 
  48     // Some methods to fill up the compile queue
  49     public static void test0() { }
  50     public static void test1() { }
  51     public static void test2() { }
  52     public static void test3() { }
  53     public static void test4() { }
  54     public static void test5() { }
  55     public static void test6() { }
  56     public static void test7() { }
  57     public static void test8() { }
  58     public static void test9() { }
  59     public static void test10() { }
  60     public static void test11() { }
  61     public static void test12() { }
  62     public static void test13() { }
  63     public static void test14() { }
  64     public static void test15() { }
  65     public static void test16() { }
  66     public static void test17() { }
  67     public static void test18() { }
  68     public static void test19() { }
  69 
  70     // More methods that do some more complex things. Therefore, the compiler needs to spend some more time compiling them.
  71     // With 50 methods, a queue size of 10000 is also reached in the second run with TieredCompilation enabled.
  72     public static void testA0()  { Arrays.sort(iArr); }
  73     public static void testA1()  { Arrays.sort(iArr); }
  74     public static void testA2()  { Arrays.sort(iArr); }
  75     public static void testA3()  { Arrays.sort(iArr); }
  76     public static void testA4()  { Arrays.sort(iArr); }
  77     public static void testA5()  { Arrays.sort(iArr); }
  78     public static void testA6()  { Arrays.sort(iArr); }
  79     public static void testA7()  { Arrays.sort(iArr); }
  80     public static void testA8()  { Arrays.sort(iArr); }
  81     public static void testA9()  { Arrays.sort(iArr); }
  82     public static void testA10() { Arrays.sort(iArr); }
  83     public static void testA11() { Arrays.sort(iArr); }
  84     public static void testA12() { Arrays.sort(iArr); }
  85     public static void testA13() { Arrays.sort(iArr); }
  86     public static void testA14() { Arrays.sort(iArr); }
  87     public static void testA15() { Arrays.sort(iArr); }
  88     public static void testA16() { Arrays.sort(iArr); }
  89     public static void testA17() { Arrays.sort(iArr); }
  90     public static void testA18() { Arrays.sort(iArr); }
  91     public static void testA19() { Arrays.sort(iArr); }
  92     public static void testA20() { Arrays.sort(iArr); }
  93     public static void testA21() { Arrays.sort(iArr); }
  94     public static void testA22() { Arrays.sort(iArr); }
  95     public static void testA23() { Arrays.sort(iArr); }
  96     public static void testA24() { Arrays.sort(iArr); }
  97     public static void testA25() { Arrays.sort(iArr); }
  98     public static void testA26() { Arrays.sort(iArr); }
  99     public static void testA27() { Arrays.sort(iArr); }
 100     public static void testA28() { Arrays.sort(iArr); }
 101     public static void testA29() { Arrays.sort(iArr); }
 102     public static void testA30() { Arrays.sort(iArr); }
 103     public static void testA31() { Arrays.sort(iArr); }
 104     public static void testA32() { Arrays.sort(iArr); }
 105     public static void testA33() { Arrays.sort(iArr); }
 106     public static void testA34() { Arrays.sort(iArr); }
 107     public static void testA35() { Arrays.sort(iArr); }
 108     public static void testA36() { Arrays.sort(iArr); }
 109     public static void testA37() { Arrays.sort(iArr); }
 110     public static void testA38() { Arrays.sort(iArr); }
 111     public static void testA39() { Arrays.sort(iArr); }
 112     public static void testA40() { Arrays.sort(iArr); }
 113     public static void testA41() { Arrays.sort(iArr); }
 114     public static void testA42() { Arrays.sort(iArr); }
 115     public static void testA43() { Arrays.sort(iArr); }
 116     public static void testA44() { Arrays.sort(iArr); }
 117     public static void testA45() { Arrays.sort(iArr); }
 118     public static void testA46() { Arrays.sort(iArr); }
 119     public static void testA47() { Arrays.sort(iArr); }
 120     public static void testA48() { Arrays.sort(iArr); }
 121     public static void testA49() { Arrays.sort(iArr); }
 122 
 123     public static void main(String[] args) throws Throwable {
 124         run();
 125         runA();
 126     }
 127 
 128     public static void run() throws Throwable {
 129         Class<?> thisClass = TestOverloadCompileQueues.class;
 130         ClassLoader defaultLoader = thisClass.getClassLoader();
 131         URL classesDir = thisClass.getProtectionDomain().getCodeSource().getLocation();
 132 
 133         for (int i = 0; i < ITERS; ++i) {
 134             // Load test class with own class loader
 135             URLClassLoader myLoader = URLClassLoader.newInstance(new URL[] {classesDir}, defaultLoader.getParent());
 136             Class<?> testClass = Class.forName(thisClass.getCanonicalName(), true, myLoader);
 137 
 138             // Execute all test methods to trigger compilation and fill up compile queue
 139             for (int j = 1; j < 20; ++j) {
 140                 Method method = testClass.getDeclaredMethod("test" + j);
 141                 method.invoke(null);
 142                 method.invoke(null);
 143             }
 144 
 145             // Unload dead classes from ealier iterations
 146             System.gc();
 147         }
 148     }
 149 
 150     public static void runA() throws Throwable {
 151         Class<?> thisClass = TestOverloadCompileQueues.class;
 152         ClassLoader defaultLoader = thisClass.getClassLoader();
 153         URL classesDir = thisClass.getProtectionDomain().getCodeSource().getLocation();
 154 
 155         for (int i = 0; i < ITERS_A; ++i) {
 156             // Load test class with own class loader
 157             URLClassLoader myLoader = URLClassLoader.newInstance(new URL[] {classesDir}, defaultLoader.getParent());
 158             Class<?> testClass = Class.forName(thisClass.getCanonicalName(), true, myLoader);
 159 
 160             // Execute all test methods to trigger compilation and fill up compile queue
 161             for (int j = 0; j < 50; ++j) {
 162                 Method method = testClass.getDeclaredMethod("testA" + j);
 163                 method.invoke(null);
 164                 method.invoke(null);
 165             }
 166         }
 167     }
 168 }
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