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*/ |
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package sun.management; |
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import java.util.regex.*; |
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import java.util.List; |
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import java.util.ListIterator; |
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import java.util.Iterator; |
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import java.util.ArrayList; |
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import java.util.Map; |
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import java.util.TreeMap; |
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import sun.management.counter.*; |
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*/ |
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class HotspotCompilation |
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implements HotspotCompilationMBean { |
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private VMManagement jvm; |
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*/ |
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HotspotCompilation(VMManagement vm) { |
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jvm = vm; |
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initCompilerCounters(); |
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} |
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private static final String JAVA_CI = "java.ci."; |
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private static final String COM_SUN_CI = "com.sun.ci."; |
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private static final String SUN_CI = "sun.ci."; |
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private static final String CI_COUNTER_NAME_PATTERN = |
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JAVA_CI + "|" + COM_SUN_CI + "|" + SUN_CI; |
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private LongCounter compilerThreads; |
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private LongCounter totalCompiles; |
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private LongCounter totalBailouts; |
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private LongCounter totalInvalidates; |
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private LongCounter nmethodCodeSize; |
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private LongCounter nmethodSize; |
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private StringCounter lastMethod; |
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private LongCounter lastSize; |
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private LongCounter lastType; |
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private StringCounter lastFailedMethod; |
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private LongCounter lastFailedType; |
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private StringCounter lastInvalidatedMethod; |
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private LongCounter lastInvalidatedType; |
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private class CompilerThreadInfo { |
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int index; |
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String name; |
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StringCounter method; |
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LongCounter type; |
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LongCounter compiles; |
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LongCounter time; |
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CompilerThreadInfo(String bname, int index) { |
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String basename = bname + "." + index + "."; |
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this.name = bname + "-" + index; |
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this.method = (StringCounter) lookup(basename + "method"); |
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this.type = (LongCounter) lookup(basename + "type"); |
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this.compiles = (LongCounter) lookup(basename + "compiles"); |
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this.time = (LongCounter) lookup(basename + "time"); |
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} |
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CompilerThreadInfo(String bname) { |
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String basename = bname + "."; |
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this.name = bname; |
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this.method = (StringCounter) lookup(basename + "method"); |
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this.type = (LongCounter) lookup(basename + "type"); |
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this.compiles = (LongCounter) lookup(basename + "compiles"); |
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this.time = (LongCounter) lookup(basename + "time"); |
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} |
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CompilerThreadStat getCompilerThreadStat() { |
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MethodInfo minfo = new MethodInfo(method.stringValue(), |
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(int) type.longValue(), |
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-1); |
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return new CompilerThreadStat(name, |
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compiles.longValue(), |
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time.longValue(), |
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minfo); |
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} |
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} |
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private CompilerThreadInfo[] threads; |
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private int numActiveThreads; |
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private Map<String, Counter> counters; |
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private Counter lookup(String name) { |
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Counter c = null; |
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// Only one counter exists with the specified name in the |
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// current implementation. We first look up in the SUN_CI namespace |
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// since most counters are in SUN_CI namespace. |
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if ((c = counters.get(SUN_CI + name)) != null) { |
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return c; |
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} |
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if ((c = counters.get(COM_SUN_CI + name)) != null) { |
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return c; |
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} |
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if ((c = counters.get(JAVA_CI + name)) != null) { |
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return c; |
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} |
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throw new AssertionError("Counter " + name + " does not exist"); |
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} |
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private void initCompilerCounters() { |
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counters = new TreeMap<>(); |
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for (Counter c: getInternalCompilerCounters()) { |
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counters.put(c.getName(), c); |
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} |
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compilerThreads = (LongCounter) lookup("threads"); |
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totalCompiles = (LongCounter) lookup("totalCompiles"); |
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totalBailouts = (LongCounter) lookup("totalBailouts"); |
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totalInvalidates = (LongCounter) lookup("totalInvalidates"); |
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nmethodCodeSize = (LongCounter) lookup("nmethodCodeSize"); |
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nmethodSize = (LongCounter) lookup("nmethodSize"); |
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lastMethod = (StringCounter) lookup("lastMethod"); |
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lastSize = (LongCounter) lookup("lastSize"); |
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lastType = (LongCounter) lookup("lastType"); |
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lastFailedMethod = (StringCounter) lookup("lastFailedMethod"); |
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lastFailedType = (LongCounter) lookup("lastFailedType"); |
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lastInvalidatedMethod = (StringCounter) lookup("lastInvalidatedMethod"); |
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lastInvalidatedType = (LongCounter) lookup("lastInvalidatedType"); |
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numActiveThreads = (int) compilerThreads.longValue(); |
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threads = new CompilerThreadInfo[numActiveThreads+1]; |
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if (counters.containsKey(SUN_CI + "adapterThread.compiles")) { |
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threads[0] = new CompilerThreadInfo("adapterThread", 0); |
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numActiveThreads++; |
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} else { |
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threads[0] = null; |
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} |
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for (int i = 1; i < threads.length; i++) { |
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threads[i] = new CompilerThreadInfo("compilerThread", i-1); |
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} |
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} |
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public int getCompilerThreadCount() { |
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return numActiveThreads; |
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} |
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public long getTotalCompileCount() { |
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return totalCompiles.longValue(); |
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} |
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public long getBailoutCompileCount() { |
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return totalBailouts.longValue(); |
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} |
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public long getInvalidatedCompileCount() { |
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return totalInvalidates.longValue(); |
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} |
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public long getCompiledMethodCodeSize() { |
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return nmethodCodeSize.longValue(); |
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} |
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public long getCompiledMethodSize() { |
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return nmethodSize.longValue(); |
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} |
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public java.util.List<CompilerThreadStat> getCompilerThreadStats() { |
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List<CompilerThreadStat> list = new ArrayList<>(threads.length); |
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int i = 0; |
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if (threads[0] == null) { |
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i = 1; |
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} |
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for (; i < threads.length; i++) { |
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list.add(threads[i].getCompilerThreadStat()); |
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} |
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return list; |
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} |
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public MethodInfo getLastCompile() { |
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return new MethodInfo(lastMethod.stringValue(), |
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(int) lastType.longValue(), |
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(int) lastSize.longValue()); |
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} |
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public MethodInfo getFailedCompile() { |
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return new MethodInfo(lastFailedMethod.stringValue(), |
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(int) lastFailedType.longValue(), |
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-1); |
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} |
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public MethodInfo getInvalidatedCompile() { |
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return new MethodInfo(lastInvalidatedMethod.stringValue(), |
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(int) lastInvalidatedType.longValue(), |
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-1); |
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} |
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public java.util.List<Counter> getInternalCompilerCounters() { |
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return jvm.getInternalCounters(CI_COUNTER_NAME_PATTERN); |
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} |
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} |