--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/codecache/dtrace/SegmentedCodeCacheDtraceTest.java Thu Dec 25 15:57:38 2014 +0300
@@ -0,0 +1,307 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import com.oracle.java.testlibrary.Asserts;
+import com.oracle.java.testlibrary.JDKToolFinder;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.Utils;
+import com.oracle.java.testlibrary.dtrace.DtraceResultsAnalyzer;
+import com.oracle.java.testlibrary.dtrace.DtraceRunner;
+import java.io.IOException;
+import java.lang.reflect.Executable;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+/*
+ * @test SegmentedCodeCacheDtraceTest
+ * @bug 8015774
+ * @requires os.family=="solaris"
+ * @library /testlibrary /compiler/testlibrary /../../test/lib
+ * @build SegmentedCodeCacheDtraceTestWorker
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+TieredCompilation
+ * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
+ * SegmentedCodeCacheDtraceTest
+ * @summary testing of dtrace for segmented code cache
+ */
+public class SegmentedCodeCacheDtraceTest {
+
+ private static final String WORKER_CLASS_NAME
+ = SegmentedCodeCacheDtraceTestWorker.class.getName();
+ private static final String JAVA_OPTS = " -XX:+DTraceMethodProbes "
+ + "-Xbootclasspath/a:" + System.getProperty("test.classes") + " "
+ + "-XX:+UnlockDiagnosticVMOptions "
+ + "-XX:+WhiteBoxAPI -XX:+SegmentedCodeCache "
+ + "-XX:CompileCommand=compileonly,"
+ + WORKER_CLASS_NAME + "::* "
+ + " -classpath " + System.getProperty("test.class.path") + " "
+ + String.join(" ", Utils.getTestJavaOpts());
+ private static final String DTRACE_SCRIPT
+ = "SegmentedCodeCacheDtraceTestScript.d";
+ private static final List<Executable> MLIST =
+ SegmentedCodeCacheDtraceTestWorker.TESTED_METHODS_LIST;
+ private static final int WORKER_METHODS_COUNT = MLIST.size();
+
+ private void runTest(TestCombination tc) {
+ String params = MLIST.stream()
+ .map(Executable::getName)
+ .map(x -> tc.data.get(x).compileLevel + " " + tc.data.get(x).isInlined)
+ .collect(Collectors.joining(" "));
+ DtraceRunner runner = new DtraceRunner();
+ runner.runDtrace(JDKToolFinder.getTestJDKTool("java"), JAVA_OPTS,
+ WORKER_CLASS_NAME, params, Paths.get(System.getProperty("test.src"),
+ DTRACE_SCRIPT).toString(),
+ DtraceRunner.PERMIT_DESTRUCTIVE_ACTIONS_DTRACE_OPTION,
+ new SegmentedCodeCacheDtraceResultsAnalyzer());
+ }
+
+ private static TestCombination generateUniqueCombination(
+ int[] availableLevels, Set<TestCombination> combinations) {
+ int len = availableLevels.length;
+ /* first, check if we're out of combinations. */
+ int maxCombinationsCount
+ = (1 << WORKER_METHODS_COUNT)
+ * (int) Math.pow(len, WORKER_METHODS_COUNT);
+ if (combinations.size() == maxCombinationsCount) {
+ return null;
+ }
+ Random r = Utils.getRandomInstance();
+ while (combinations.size() < maxCombinationsCount) {
+ int levels[] = new int[WORKER_METHODS_COUNT];
+ boolean inlines[] = new boolean[WORKER_METHODS_COUNT];
+ for (int i = 0; i < WORKER_METHODS_COUNT; i++) {
+ levels[i] = availableLevels[r.nextInt(len)];
+ inlines[i] = r.nextBoolean();
+ }
+ TestCombination tc = new TestCombination(levels, inlines);
+ if (combinations.add(tc)) {
+ return tc;
+ }
+ }
+ return null;
+ }
+
+ public static void main(String args[]) {
+ int iterations
+ = Integer.getInteger("com.oracle.java.testlibrary.iterations", 1);
+ if (!DtraceRunner.dtraceAvailable()) {
+ System.out.println("INFO: There is no dtrace avaiable. Skipping.");
+ return;
+ }
+ int[] availableLevels = CompilerUtils.getAvailableCompilationLevels();
+ // adding one more entry(zero) for interpeter
+ availableLevels
+ = Arrays.copyOf(availableLevels, availableLevels.length + 1);
+ Set<TestCombination> combinations = new HashSet<>();
+ for (int i = 0; i < iterations; i++) {
+ TestCombination tc
+ = generateUniqueCombination(availableLevels, combinations);
+ if (tc == null) {
+ System.out.println("INFO: no more combinations available");
+ return;
+ } else {
+ System.out.println("INFO: Running testcase for: " + tc);
+ new SegmentedCodeCacheDtraceTest().runTest(tc);
+ }
+ }
+ }
+
+ private static class MethodData {
+
+ public final int compileLevel;
+ public final boolean isInlined;
+ public final String name;
+
+ public MethodData(String name, int compileLevel, boolean isInlined) {
+ this.name = name;
+ this.compileLevel = compileLevel;
+ this.isInlined = isInlined;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == null || !(o instanceof MethodData)) {
+ return false;
+ }
+ MethodData md = (MethodData) o;
+ return md.compileLevel == compileLevel
+ && md.isInlined == isInlined
+ && md.name.equals(name);
+ }
+
+ @Override
+ public int hashCode() {
+ return 100 * name.hashCode() + 10 * compileLevel + (isInlined ? 1 : 0);
+ }
+
+ @Override
+ public String toString() {
+ return name + " " + compileLevel + " " + isInlined;
+ }
+ }
+
+ private static class TestCombination {
+
+ private final Map<String, MethodData> data;
+
+ public TestCombination(int compLevels[], boolean inlines[]) {
+ Map<String, MethodData> d = new HashMap<>();
+ for (int i = 0; i < MLIST.size(); i++) {
+ d.put(MLIST.get(i).getName(), new MethodData(MLIST.get(i).getName(),
+ compLevels[i], inlines[i]));
+ }
+ data = Collections.unmodifiableMap(d);
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == null || !(o instanceof TestCombination)) {
+ return false;
+ }
+ TestCombination second = (TestCombination) o;
+ return second.data.equals(data);
+ }
+
+ @Override
+ public int hashCode() {
+ int sum = 0;
+ for (MethodData md : data.values()) {
+ sum += md.hashCode();
+ }
+ return sum;
+ }
+
+ private String getMethodDescString(MethodData md) {
+ return (md == null)
+ ? null
+ : String.format("Method %s compilation level %d and %s",
+ md.name, md.compileLevel,
+ md.isInlined ? "inlined" : "not inlined");
+ }
+
+ @Override
+ public String toString() {
+ return data.values().stream().map(m -> getMethodDescString(m))
+ .collect(Collectors.joining(Utils.NEW_LINE,
+ "Combination: ", ""));
+ }
+ }
+
+ private class SegmentedCodeCacheDtraceResultsAnalyzer
+ implements DtraceResultsAnalyzer {
+
+ private static final int EXPECTED_MATCH_COUNT = 2;
+
+ private final Pattern checkPattern;
+
+ public SegmentedCodeCacheDtraceResultsAnalyzer() {
+ String workerClassRegExp = "\\s*" + WORKER_CLASS_NAME + "\\.";
+ String delimeter = "\\(\\)V\\*?" + workerClassRegExp;
+ String suffix = "test\\(\\)V\\*?" + workerClassRegExp
+ + "main\\(\\[Ljava\\/lang\\/String;\\)V";
+ StringBuilder sb = new StringBuilder(workerClassRegExp);
+ // method order is important, so, going from list tail to head,
+ // accoring to call order representation in stacktrace
+ for (int i = MLIST.size() - 1; i > -1; i--) {
+ sb.append(MLIST.get(i).getName()).append(delimeter);
+ }
+ sb.append(suffix);
+ checkPattern = Pattern.compile(sb.toString());
+ /* such pattern match should pass on a stacktrace like
+ CPU ID FUNCTION:NAME
+ 0 53573 __1cNSharedRuntimeTdtrace_method_entry6FpnKJavaThread_pnGMethod__i_:method-entry ustack:
+
+ libjvm.so`__1cNSharedRuntimeTdtrace_method_entry6FpnKJavaThread_pnGMethod__i_+0x39c
+ SegmentedCodeCacheDtraceTestWorker.baz()V*
+ SegmentedCodeCacheDtraceTestWorker.bar()V
+ SegmentedCodeCacheDtraceTestWorker.foo()V*
+ SegmentedCodeCacheDtraceTestWorker.test()V
+ SegmentedCodeCacheDtraceTestWorker.main([Ljava/lang/String;)V
+ 0xffffffff6b0004b8
+ libjvm.so`__1cJJavaCallsLcall_helper6FpnJJavaValue_pnMmethodHandle_pnRJavaCallArguments_pnGThread__v_+0x94c
+ libjvm.so`__1cRjni_invoke_static6FpnHJNIEnv__pnJJavaValue_pnI_jobject_nLJNICallType_pnK_jmethodID_pnSJNI_ArgumentPusher_pnGThread__v_+0xa64
+ libjvm.so`jni_CallStaticVoidMethod+0x508
+ libjli.so`JavaMain+0x584
+ libc.so.1`_lwp_start
+ jstack:
+
+ libjvm.so`__1cNSharedRuntimeTdtrace_method_entry6FpnKJavaThread_pnGMethod__i_+0x39c
+ SegmentedCodeCacheDtraceTestWorker.baz()V*
+ SegmentedCodeCacheDtraceTestWorker.bar()V
+ SegmentedCodeCacheDtraceTestWorker.foo()V*
+ SegmentedCodeCacheDtraceTestWorker.test()V
+ SegmentedCodeCacheDtraceTestWorker.main([Ljava/lang/String;)V
+ 0xffffffff6b0004b8
+ libjvm.so`__1cJJavaCallsLcall_helper6FpnJJavaValue_pnMmethodHandle_pnRJavaCallArguments_pnGThread__v_+0x94c
+ libjvm.so`__1cRjni_invoke_static6FpnHJNIEnv__pnJJavaValue_pnI_jobject_nLJNICallType_pnK_jmethodID_pnSJNI_ArgumentPusher_pnGThread__v_+0xa64
+ libjvm.so`jni_CallStaticVoidMethod+0x508
+ libjli.so`JavaMain+0x584
+ libc.so.1`_lwp_start
+ */
+ }
+
+ protected List<String> loadLog(String dtraceOutFile) throws IOException {
+ return Files.readAllLines(Paths.get(dtraceOutFile));
+ }
+
+ @Override
+ public void analyze(OutputAnalyzer oa, String dtraceOutFilePath) {
+ oa.shouldHaveExitValue(0);
+ List<String> dOut;
+ try {
+ dOut = loadLog(dtraceOutFilePath);
+ } catch (IOException e) {
+ throw new Error("Can't load log", e);
+ }
+ StringBuilder allDtraceOutput = new StringBuilder();
+ for (String entry : dOut) {
+ allDtraceOutput.append(entry);
+ }
+ int matchCount = getMatchCount(allDtraceOutput.toString());
+ Asserts.assertEQ(matchCount, EXPECTED_MATCH_COUNT,
+ "Unexpected output match amount. expected: "
+ + EXPECTED_MATCH_COUNT + " but found " + matchCount);
+ }
+
+ protected int getMatchCount(String source) {
+ Matcher m = checkPattern.matcher(source);
+ int matchCount = 0;
+ while (m.find()) {
+ matchCount++;
+ }
+ return matchCount;
+ }
+ }
+}