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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 <sstream>
#include <string>
#include "atomic.h"
namespace art {
enum MethodCompilationStat {
kAttemptCompilation = 0,
kCompiledBaseline,
kCompiledOptimized,
kCompiledQuick,
kInlinedInvoke,
kNotCompiledUnsupportedIsa,
kNotCompiledPathological,
kNotCompiledHugeMethod,
kNotCompiledLargeMethodNoBranches,
kNotCompiledCannotBuildSSA,
kNotCompiledNoCodegen,
kNotCompiledUnresolvedMethod,
kNotCompiledUnresolvedField,
kNotCompiledNonSequentialRegPair,
kNotCompiledSpaceFilter,
kNotOptimizedTryCatch,
kNotOptimizedDisabled,
kNotCompiledCantAccesType,
kNotOptimizedRegisterAllocator,
kNotCompiledUnhandledInstruction,
kRemovedCheckedCast,
kRemovedNullCheck,
kLastStat
};
class OptimizingCompilerStats {
public:
OptimizingCompilerStats() {}
void RecordStat(MethodCompilationStat stat) {
compile_stats_[stat]++;
}
void Log() const {
if (compile_stats_[kAttemptCompilation] == 0) {
LOG(INFO) << "Did not compile any method.";
} else {
size_t unoptimized_percent =
compile_stats_[kCompiledBaseline] * 100 / compile_stats_[kAttemptCompilation];
size_t optimized_percent =
compile_stats_[kCompiledOptimized] * 100 / compile_stats_[kAttemptCompilation];
size_t quick_percent =
compile_stats_[kCompiledQuick] * 100 / compile_stats_[kAttemptCompilation];
std::ostringstream oss;
oss << "Attempted compilation of " << compile_stats_[kAttemptCompilation] << " methods: ";
oss << unoptimized_percent << "% (" << compile_stats_[kCompiledBaseline] << ") unoptimized, ";
oss << optimized_percent << "% (" << compile_stats_[kCompiledOptimized] << ") optimized, ";
oss << quick_percent << "% (" << compile_stats_[kCompiledQuick] << ") quick.";
LOG(INFO) << oss.str();
for (int i = 0; i < kLastStat; i++) {
if (compile_stats_[i] != 0) {
VLOG(compiler) << PrintMethodCompilationStat(i) << ": " << compile_stats_[i];
}
}
}
}
private:
std::string PrintMethodCompilationStat(int stat) const {
switch (stat) {
case kAttemptCompilation : return "kAttemptCompilation";
case kCompiledBaseline : return "kCompiledBaseline";
case kCompiledOptimized : return "kCompiledOptimized";
case kCompiledQuick : return "kCompiledQuick";
case kInlinedInvoke : return "kInlinedInvoke";
case kNotCompiledUnsupportedIsa : return "kNotCompiledUnsupportedIsa";
case kNotCompiledPathological : return "kNotCompiledPathological";
case kNotCompiledHugeMethod : return "kNotCompiledHugeMethod";
case kNotCompiledLargeMethodNoBranches : return "kNotCompiledLargeMethodNoBranches";
case kNotCompiledCannotBuildSSA : return "kNotCompiledCannotBuildSSA";
case kNotCompiledNoCodegen : return "kNotCompiledNoCodegen";
case kNotCompiledUnresolvedMethod : return "kNotCompiledUnresolvedMethod";
case kNotCompiledUnresolvedField : return "kNotCompiledUnresolvedField";
case kNotCompiledNonSequentialRegPair : return "kNotCompiledNonSequentialRegPair";
case kNotOptimizedDisabled : return "kNotOptimizedDisabled";
case kNotOptimizedTryCatch : return "kNotOptimizedTryCatch";
case kNotCompiledCantAccesType : return "kNotCompiledCantAccesType";
case kNotCompiledSpaceFilter : return "kNotCompiledSpaceFilter";
case kNotOptimizedRegisterAllocator : return "kNotOptimizedRegisterAllocator";
case kNotCompiledUnhandledInstruction : return "kNotCompiledUnhandledInstruction";
case kRemovedCheckedCast: return "kRemovedCheckedCast";
case kRemovedNullCheck: return "kRemovedNullCheck";
default: LOG(FATAL) << "invalid stat";
}
return "";
}
AtomicInteger compile_stats_[kLastStat];
DISALLOW_COPY_AND_ASSIGN(OptimizingCompilerStats);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_OPTIMIZING_COMPILER_STATS_H_
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