Mercurial > hg > graal-jvmci-8
changeset 10752:e2f5ae9afdc5
Truffle: introduce profiling option
author | Andreas Woess <andreas.woess@jku.at> |
---|---|
date | Thu, 11 Jul 2013 22:14:27 +0200 |
parents | 7b5d7c42598b |
children | 64740220db85 |
files | graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/GraalTruffleRuntime.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java |
diffstat | 3 files changed, 88 insertions(+), 10 deletions(-) [+] |
line wrap: on
line diff
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/GraalTruffleRuntime.java Thu Jul 11 19:34:27 2013 +0200 +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/GraalTruffleRuntime.java Thu Jul 11 22:14:27 2013 +0200 @@ -65,8 +65,7 @@ if (truffleCompiler == null) { truffleCompiler = new TruffleCompilerImpl(); } - return new OptimizedCallTarget(rootNode, frameDescriptor, truffleCompiler, TruffleCompilationThreshold.getValue(), TruffleInliningReprofileCount.getValue(), - TruffleInvalidationReprofileCount.getValue()); + return new OptimizedCallTarget(rootNode, frameDescriptor, truffleCompiler, TruffleCompilationThreshold.getValue()); } @Override
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java Thu Jul 11 19:34:27 2013 +0200 +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedCallTarget.java Thu Jul 11 22:14:27 2013 +0200 @@ -40,19 +40,19 @@ public final class OptimizedCallTarget extends DefaultCallTarget implements LoopCountReceiver, FrameFactory { private static final PrintStream OUT = TTY.out().out(); + private static final int MIN_INVOKES_AFTER_INLINING = 2; - private final int inliningReprofileCount; - private final int invalidationReprofileCount; - - protected OptimizedCallTarget(RootNode rootNode, FrameDescriptor descriptor, TruffleCompiler compiler, int compilationThreshold, int inliningReprofileCount, int invalidationReprofileCount) { + protected OptimizedCallTarget(RootNode rootNode, FrameDescriptor descriptor, TruffleCompiler compiler, int compilationThreshold) { super(rootNode, descriptor); this.compiler = compiler; this.invokeCounter = compilationThreshold >> 7; this.loopAndInvokeCounter = compilationThreshold; this.originalInvokeCounter = compilationThreshold; this.rootNode.setCallTarget(this); - this.inliningReprofileCount = inliningReprofileCount; - this.invalidationReprofileCount = invalidationReprofileCount; + + if (TruffleProfiling.getValue()) { + registerCallTarget(this); + } } private InstalledCode compiledMethod; @@ -62,6 +62,11 @@ private int loopAndInvokeCounter; private boolean disableCompilation; + // TruffleProfiling + private int callCount; + private int inlinedCallSiteCount; + + // TraceTruffleCompilation long timeCompilationStarted; long timePartialEvaluationFinished; long timeCompilationFinished; @@ -71,6 +76,9 @@ @Override public Object call(PackedFrame caller, Arguments args) { + if (TruffleProfiling.getValue()) { + callCount++; + } if (CompilerDirectives.injectBranchProbability(CompilerDirectives.FASTPATH_PROBABILITY, compiledMethod != null)) { try { return compiledMethod.execute(this, caller, args); @@ -82,8 +90,9 @@ } } - protected Object compiledCodeInvalidated(PackedFrame caller, Arguments args) { + private Object compiledCodeInvalidated(PackedFrame caller, Arguments args) { compiledMethod = null; + int invalidationReprofileCount = TruffleInvalidationReprofileCount.getValue(); invokeCounter = invalidationReprofileCount; if (TruffleFunctionInlining.getValue()) { originalInvokeCounter += invalidationReprofileCount; @@ -101,7 +110,8 @@ return executeHelper(caller, args); } else { if (TruffleFunctionInlining.getValue() && inline()) { - invokeCounter = 2; + invokeCounter = MIN_INVOKES_AFTER_INLINING; + int inliningReprofileCount = TruffleInliningReprofileCount.getValue(); loopAndInvokeCounter = inliningReprofileCount; originalInvokeCounter = inliningReprofileCount; } else { @@ -112,10 +122,12 @@ } public boolean inline() { + CompilerAsserts.neverPartOfCompilation(); return new InliningHelper(this).inline(); } public void compile() { + CompilerAsserts.neverPartOfCompilation(); try { compiledMethod = compiler.compile(this); if (compiledMethod == null) { @@ -127,6 +139,9 @@ (timeCompilationFinished - timeCompilationStarted) / 1e6, (timePartialEvaluationFinished - timeCompilationStarted) / 1e6, (timeCompilationFinished - timePartialEvaluationFinished) / 1e6, nodeCountPartialEval, nodeCountLowered, codeSize); } + if (TruffleProfiling.getValue()) { + resetProfiling(); + } } } catch (Throwable e) { disableCompilation = true; @@ -209,6 +224,7 @@ if (TraceTruffleInlining.getValue()) { printCallSiteInfo(policy, inlinableCallSite, "inlined"); } + target.inlinedCallSiteCount++; inlined = true; break; } @@ -320,4 +336,65 @@ return inlinableCallSites; } } + + private static void resetProfiling() { + for (OptimizedCallTarget callTarget : OptimizedCallTarget.callTargets.keySet()) { + callTarget.callCount = 0; + } + } + + private static void printProfiling() { + List<OptimizedCallTarget> sortedCallTargets = new ArrayList<>(OptimizedCallTarget.callTargets.keySet()); + Collections.sort(sortedCallTargets, new Comparator<OptimizedCallTarget>() { + + @Override + public int compare(OptimizedCallTarget o1, OptimizedCallTarget o2) { + return o2.callCount - o1.callCount; + } + }); + + int totalCallCount = 0; + int totalInlinedCallSiteCount = 0; + int totalNotInlinedCallSiteCount = 0; + int totalNodeCount = 0; + + PrintStream out = TTY.out().out(); + out.println(); + out.printf("%-50s | %-10s | %s / %s | %s\n", "Call Target", "Call Count", "Calls Sites Inlined", "Not Inlined", "Node Count"); + for (OptimizedCallTarget callTarget : sortedCallTargets) { + if (callTarget.callCount == 0) { + continue; + } + + int notInlinedCallSiteCount = InliningHelper.getInlinableCallSites(callTarget).size(); + int nodeCount = NodeUtil.countNodes(callTarget.rootNode); + String comment = callTarget.compiledMethod == null ? " int" : ""; + out.printf("%-50s | %10s | %15s | %15s | %10s%s\n", callTarget.getRootNode(), callTarget.callCount, callTarget.inlinedCallSiteCount, notInlinedCallSiteCount, nodeCount, comment); + + totalCallCount += callTarget.callCount; + totalInlinedCallSiteCount += callTarget.inlinedCallSiteCount; + totalNotInlinedCallSiteCount += notInlinedCallSiteCount; + totalNodeCount += nodeCount; + } + out.printf("%-50s | %10s | %15s | %15s | %10s\n", "Total", totalCallCount, totalInlinedCallSiteCount, totalNotInlinedCallSiteCount, totalNodeCount); + } + + private static void registerCallTarget(OptimizedCallTarget callTarget) { + callTargets.put(callTarget, 0); + } + + private static Map<OptimizedCallTarget, Integer> callTargets; + static { + if (TruffleProfiling.getValue()) { + callTargets = new WeakHashMap<>(); + + Runtime.getRuntime().addShutdownHook(new Thread() { + + @Override + public void run() { + printProfiling(); + } + }); + } + } }
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java Thu Jul 11 19:34:27 2013 +0200 +++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java Thu Jul 11 22:14:27 2013 +0200 @@ -81,5 +81,7 @@ public static final OptionValue<Boolean> TraceTruffleInlining = new OptionValue<>(true); @Option(help = "") public static final OptionValue<Boolean> TraceTruffleInliningDetails = new OptionValue<>(false); + @Option(help = "") + public static final OptionValue<Boolean> TruffleProfiling = new StableOptionValue<>(false); // @formatter:on }