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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_STATS_H_
#define ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_STATS_H_
#include <atomic>
#include <iomanip>
#include <string>
#include <type_traits>
#include "atomic.h"
#include "globals.h"
namespace art {
enum MethodCompilationStat {
kAttemptCompilation = 0,
kCHAInline,
kCompiled,
kInlinedInvoke,
kReplacedInvokeWithSimplePattern,
kInstructionSimplifications,
kInstructionSimplificationsArch,
kUnresolvedMethod,
kUnresolvedField,
kUnresolvedFieldNotAFastAccess,
kRemovedCheckedCast,
kRemovedDeadInstruction,
kRemovedNullCheck,
kNotCompiledSkipped,
kNotCompiledInvalidBytecode,
kNotCompiledThrowCatchLoop,
kNotCompiledAmbiguousArrayOp,
kNotCompiledHugeMethod,
kNotCompiledLargeMethodNoBranches,
kNotCompiledMalformedOpcode,
kNotCompiledNoCodegen,
kNotCompiledPathological,
kNotCompiledSpaceFilter,
kNotCompiledUnhandledInstruction,
kNotCompiledUnsupportedIsa,
kNotCompiledVerificationError,
kNotCompiledVerifyAtRuntime,
kInlinedMonomorphicCall,
kInlinedPolymorphicCall,
kMonomorphicCall,
kPolymorphicCall,
kMegamorphicCall,
kBooleanSimplified,
kIntrinsicRecognized,
kLoopInvariantMoved,
kLoopVectorized,
kLoopVectorizedIdiom,
kSelectGenerated,
kRemovedInstanceOf,
kInlinedInvokeVirtualOrInterface,
kImplicitNullCheckGenerated,
kExplicitNullCheckGenerated,
kSimplifyIf,
kInstructionSunk,
kNotInlinedUnresolvedEntrypoint,
kNotInlinedDexCache,
kNotInlinedStackMaps,
kNotInlinedEnvironmentBudget,
kNotInlinedInstructionBudget,
kNotInlinedLoopWithoutExit,
kNotInlinedIrreducibleLoop,
kNotInlinedAlwaysThrows,
kNotInlinedInfiniteLoop,
kNotInlinedTryCatch,
kNotInlinedRegisterAllocator,
kNotInlinedCannotBuild,
kNotInlinedNotVerified,
kNotInlinedCodeItem,
kNotInlinedWont,
kNotInlinedRecursiveBudget,
kNotInlinedProxy,
kConstructorFenceGeneratedNew,
kConstructorFenceGeneratedFinal,
kConstructorFenceRemovedLSE,
kConstructorFenceRemovedPFRA,
kLastStat
};
class OptimizingCompilerStats {
public:
OptimizingCompilerStats() {
// The std::atomic<> default constructor leaves values uninitialized, so initialize them now.
Reset();
}
void RecordStat(MethodCompilationStat stat, uint32_t count = 1) {
compile_stats_[stat] += count;
}
void Log() const {
if (!kIsDebugBuild && !VLOG_IS_ON(compiler)) {
// Log only in debug builds or if the compiler is verbose.
return;
}
if (compile_stats_[kAttemptCompilation] == 0) {
LOG(INFO) << "Did not compile any method.";
} else {
float compiled_percent =
compile_stats_[kCompiled] * 100.0f / compile_stats_[kAttemptCompilation];
LOG(INFO) << "Attempted compilation of " << compile_stats_[kAttemptCompilation]
<< " methods: " << std::fixed << std::setprecision(2)
<< compiled_percent << "% (" << compile_stats_[kCompiled] << ") compiled.";
for (size_t i = 0; i < kLastStat; i++) {
if (compile_stats_[i] != 0) {
LOG(INFO) << PrintMethodCompilationStat(static_cast<MethodCompilationStat>(i)) << ": "
<< compile_stats_[i];
}
}
}
}
void AddTo(OptimizingCompilerStats* other_stats) {
for (size_t i = 0; i != kLastStat; ++i) {
uint32_t count = compile_stats_[i];
if (count != 0) {
other_stats->RecordStat(static_cast<MethodCompilationStat>(i), count);
}
}
}
void Reset() {
for (size_t i = 0; i != kLastStat; ++i) {
compile_stats_[i] = 0u;
}
}
private:
std::string PrintMethodCompilationStat(MethodCompilationStat stat) const {
std::string name;
switch (stat) {
case kAttemptCompilation : name = "AttemptCompilation"; break;
case kCHAInline : name = "CHAInline"; break;
case kCompiled : name = "Compiled"; break;
case kInlinedInvoke : name = "InlinedInvoke"; break;
case kReplacedInvokeWithSimplePattern: name = "ReplacedInvokeWithSimplePattern"; break;
case kInstructionSimplifications: name = "InstructionSimplifications"; break;
case kInstructionSimplificationsArch: name = "InstructionSimplificationsArch"; break;
case kUnresolvedMethod : name = "UnresolvedMethod"; break;
case kUnresolvedField : name = "UnresolvedField"; break;
case kUnresolvedFieldNotAFastAccess : name = "UnresolvedFieldNotAFastAccess"; break;
case kRemovedCheckedCast: name = "RemovedCheckedCast"; break;
case kRemovedDeadInstruction: name = "RemovedDeadInstruction"; break;
case kRemovedNullCheck: name = "RemovedNullCheck"; break;
case kNotCompiledSkipped: name = "NotCompiledSkipped"; break;
case kNotCompiledInvalidBytecode: name = "NotCompiledInvalidBytecode"; break;
case kNotCompiledThrowCatchLoop : name = "NotCompiledThrowCatchLoop"; break;
case kNotCompiledAmbiguousArrayOp : name = "NotCompiledAmbiguousArrayOp"; break;
case kNotCompiledHugeMethod : name = "NotCompiledHugeMethod"; break;
case kNotCompiledLargeMethodNoBranches : name = "NotCompiledLargeMethodNoBranches"; break;
case kNotCompiledMalformedOpcode : name = "NotCompiledMalformedOpcode"; break;
case kNotCompiledNoCodegen : name = "NotCompiledNoCodegen"; break;
case kNotCompiledPathological : name = "NotCompiledPathological"; break;
case kNotCompiledSpaceFilter : name = "NotCompiledSpaceFilter"; break;
case kNotCompiledUnhandledInstruction : name = "NotCompiledUnhandledInstruction"; break;
case kNotCompiledUnsupportedIsa : name = "NotCompiledUnsupportedIsa"; break;
case kNotCompiledVerificationError : name = "NotCompiledVerificationError"; break;
case kNotCompiledVerifyAtRuntime : name = "NotCompiledVerifyAtRuntime"; break;
case kInlinedMonomorphicCall: name = "InlinedMonomorphicCall"; break;
case kInlinedPolymorphicCall: name = "InlinedPolymorphicCall"; break;
case kMonomorphicCall: name = "MonomorphicCall"; break;
case kPolymorphicCall: name = "PolymorphicCall"; break;
case kMegamorphicCall: name = "MegamorphicCall"; break;
case kBooleanSimplified : name = "BooleanSimplified"; break;
case kIntrinsicRecognized : name = "IntrinsicRecognized"; break;
case kLoopInvariantMoved : name = "LoopInvariantMoved"; break;
case kLoopVectorized : name = "LoopVectorized"; break;
case kLoopVectorizedIdiom : name = "LoopVectorizedIdiom"; break;
case kSelectGenerated : name = "SelectGenerated"; break;
case kRemovedInstanceOf: name = "RemovedInstanceOf"; break;
case kInlinedInvokeVirtualOrInterface: name = "InlinedInvokeVirtualOrInterface"; break;
case kImplicitNullCheckGenerated: name = "ImplicitNullCheckGenerated"; break;
case kExplicitNullCheckGenerated: name = "ExplicitNullCheckGenerated"; break;
case kSimplifyIf: name = "SimplifyIf"; break;
case kInstructionSunk: name = "InstructionSunk"; break;
case kNotInlinedUnresolvedEntrypoint: name = "NotInlinedUnresolvedEntrypoint"; break;
case kNotInlinedDexCache: name = "NotInlinedDexCache"; break;
case kNotInlinedStackMaps: name = "NotInlinedStackMaps"; break;
case kNotInlinedEnvironmentBudget: name = "NotInlinedEnvironmentBudget"; break;
case kNotInlinedInstructionBudget: name = "NotInlinedInstructionBudget"; break;
case kNotInlinedLoopWithoutExit: name = "NotInlinedLoopWithoutExit"; break;
case kNotInlinedIrreducibleLoop: name = "NotInlinedIrreducibleLoop"; break;
case kNotInlinedAlwaysThrows: name = "NotInlinedAlwaysThrows"; break;
case kNotInlinedInfiniteLoop: name = "NotInlinedInfiniteLoop"; break;
case kNotInlinedTryCatch: name = "NotInlinedTryCatch"; break;
case kNotInlinedRegisterAllocator: name = "NotInlinedRegisterAllocator"; break;
case kNotInlinedCannotBuild: name = "NotInlinedCannotBuild"; break;
case kNotInlinedNotVerified: name = "NotInlinedNotVerified"; break;
case kNotInlinedCodeItem: name = "NotInlinedCodeItem"; break;
case kNotInlinedWont: name = "NotInlinedWont"; break;
case kNotInlinedRecursiveBudget: name = "NotInlinedRecursiveBudget"; break;
case kNotInlinedProxy: name = "NotInlinedProxy"; break;
case kConstructorFenceGeneratedNew: name = "ConstructorFenceGeneratedNew"; break;
case kConstructorFenceGeneratedFinal: name = "ConstructorFenceGeneratedFinal"; break;
case kConstructorFenceRemovedLSE: name = "ConstructorFenceRemovedLSE"; break;
case kConstructorFenceRemovedPFRA: name = "ConstructorFenceRemovedPFRA"; break;
case kLastStat:
LOG(FATAL) << "invalid stat "
<< static_cast<std::underlying_type<MethodCompilationStat>::type>(stat);
UNREACHABLE();
}
return "OptStat#" + name;
}
std::atomic<uint32_t> compile_stats_[kLastStat];
DISALLOW_COPY_AND_ASSIGN(OptimizingCompilerStats);
};
inline void MaybeRecordStat(OptimizingCompilerStats* compiler_stats,
MethodCompilationStat stat,
uint32_t count = 1) {
if (compiler_stats != nullptr) {
compiler_stats->RecordStat(stat, count);
}
}
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_STATS_H_
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