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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 <iomanip>
#include <string>
#include <type_traits>
#include "atomic.h"
namespace art {
enum MethodCompilationStat {
kAttemptCompilation = 0,
kCompiled,
kInlinedInvoke,
kInstructionSimplifications,
kInstructionSimplificationsArch,
kUnresolvedMethod,
kUnresolvedField,
kUnresolvedFieldNotAFastAccess,
kRemovedCheckedCast,
kRemovedDeadInstruction,
kRemovedNullCheck,
kNotCompiledBranchOutsideMethodCode,
kNotCompiledThrowCatchLoop,
kNotCompiledAmbiguousArrayOp,
kNotCompiledHugeMethod,
kNotCompiledLargeMethodNoBranches,
kNotCompiledMalformedOpcode,
kNotCompiledNoCodegen,
kNotCompiledPathological,
kNotCompiledSpaceFilter,
kNotCompiledUnhandledInstruction,
kNotCompiledUnsupportedIsa,
kNotCompiledVerificationError,
kNotCompiledVerifyAtRuntime,
kInlinedMonomorphicCall,
kInlinedPolymorphicCall,
kMonomorphicCall,
kPolymorphicCall,
kMegamorphicCall,
kLastStat
};
class OptimizingCompilerStats {
public:
OptimizingCompilerStats() {}
void RecordStat(MethodCompilationStat stat, size_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 (int i = 0; i < kLastStat; i++) {
if (compile_stats_[i] != 0) {
LOG(INFO) << PrintMethodCompilationStat(static_cast<MethodCompilationStat>(i)) << ": "
<< compile_stats_[i];
}
}
}
}
private:
std::string PrintMethodCompilationStat(MethodCompilationStat stat) const {
std::string name;
switch (stat) {
case kAttemptCompilation : name = "AttemptCompilation"; break;
case kCompiled : name = "Compiled"; break;
case kInlinedInvoke : name = "InlinedInvoke"; 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 kNotCompiledBranchOutsideMethodCode: name = "NotCompiledBranchOutsideMethodCode"; 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 = "kMegamorphicCall"; break;
case kLastStat:
LOG(FATAL) << "invalid stat "
<< static_cast<std::underlying_type<MethodCompilationStat>::type>(stat);
UNREACHABLE();
}
return "OptStat#" + name;
}
AtomicInteger compile_stats_[kLastStat];
DISALLOW_COPY_AND_ASSIGN(OptimizingCompilerStats);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_STATS_H_
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