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/*
* Copyright (C) 2012 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_RUNTIME_GC_COLLECTOR_ITERATION_H_
#define ART_RUNTIME_GC_COLLECTOR_ITERATION_H_
#include <inttypes.h>
#include <vector>
#include "android-base/macros.h"
#include "base/timing_logger.h"
#include "gc/gc_cause.h"
#include "object_byte_pair.h"
namespace art {
namespace gc {
namespace collector {
// A information related single garbage collector iteration. Since we only ever have one GC running
// at any given time, we can have a single iteration info.
class Iteration {
public:
Iteration();
// Returns how long the mutators were paused in nanoseconds.
const std::vector<uint64_t>& GetPauseTimes() const {
return pause_times_;
}
TimingLogger* GetTimings() {
return &timings_;
}
// Returns how long the GC took to complete in nanoseconds.
uint64_t GetDurationNs() const {
return duration_ns_;
}
int64_t GetFreedBytes() const {
return freed_.bytes;
}
int64_t GetFreedLargeObjectBytes() const {
return freed_los_.bytes;
}
uint64_t GetFreedObjects() const {
return freed_.objects;
}
uint64_t GetFreedLargeObjects() const {
return freed_los_.objects;
}
uint64_t GetFreedRevokeBytes() const {
return freed_bytes_revoke_;
}
void SetFreedRevoke(uint64_t freed) {
freed_bytes_revoke_ = freed;
}
void Reset(GcCause gc_cause, bool clear_soft_references);
// Returns the estimated throughput of the iteration.
uint64_t GetEstimatedThroughput() const;
bool GetClearSoftReferences() const {
return clear_soft_references_;
}
void SetClearSoftReferences(bool clear_soft_references) {
clear_soft_references_ = clear_soft_references;
}
GcCause GetGcCause() const {
return gc_cause_;
}
private:
void SetDurationNs(uint64_t duration) {
duration_ns_ = duration;
}
GcCause gc_cause_;
bool clear_soft_references_;
uint64_t duration_ns_;
TimingLogger timings_;
ObjectBytePair freed_;
ObjectBytePair freed_los_;
uint64_t freed_bytes_revoke_; // see Heap::num_bytes_freed_revoke_.
std::vector<uint64_t> pause_times_;
friend class GarbageCollector;
DISALLOW_COPY_AND_ASSIGN(Iteration);
};
} // namespace collector
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_COLLECTOR_ITERATION_H_
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