Andreas Gampe | d490129 | 2017-05-30 18:41:34 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ART_RUNTIME_GC_COLLECTOR_ITERATION_H_ |
| 18 | #define ART_RUNTIME_GC_COLLECTOR_ITERATION_H_ |
| 19 | |
| 20 | #include <inttypes.h> |
| 21 | #include <vector> |
| 22 | |
| 23 | #include "android-base/macros.h" |
| 24 | #include "base/timing_logger.h" |
| 25 | #include "object_byte_pair.h" |
| 26 | |
| 27 | namespace art { |
| 28 | namespace gc { |
| 29 | namespace collector { |
| 30 | |
| 31 | // A information related single garbage collector iteration. Since we only ever have one GC running |
| 32 | // at any given time, we can have a single iteration info. |
| 33 | class Iteration { |
| 34 | public: |
| 35 | Iteration(); |
| 36 | // Returns how long the mutators were paused in nanoseconds. |
| 37 | const std::vector<uint64_t>& GetPauseTimes() const { |
| 38 | return pause_times_; |
| 39 | } |
| 40 | TimingLogger* GetTimings() { |
| 41 | return &timings_; |
| 42 | } |
| 43 | // Returns how long the GC took to complete in nanoseconds. |
| 44 | uint64_t GetDurationNs() const { |
| 45 | return duration_ns_; |
| 46 | } |
| 47 | int64_t GetFreedBytes() const { |
| 48 | return freed_.bytes; |
| 49 | } |
| 50 | int64_t GetFreedLargeObjectBytes() const { |
| 51 | return freed_los_.bytes; |
| 52 | } |
| 53 | uint64_t GetFreedObjects() const { |
| 54 | return freed_.objects; |
| 55 | } |
| 56 | uint64_t GetFreedLargeObjects() const { |
| 57 | return freed_los_.objects; |
| 58 | } |
| 59 | uint64_t GetFreedRevokeBytes() const { |
| 60 | return freed_bytes_revoke_; |
| 61 | } |
| 62 | void SetFreedRevoke(uint64_t freed) { |
| 63 | freed_bytes_revoke_ = freed; |
| 64 | } |
| 65 | void Reset(GcCause gc_cause, bool clear_soft_references); |
| 66 | // Returns the estimated throughput of the iteration. |
| 67 | uint64_t GetEstimatedThroughput() const; |
| 68 | bool GetClearSoftReferences() const { |
| 69 | return clear_soft_references_; |
| 70 | } |
| 71 | void SetClearSoftReferences(bool clear_soft_references) { |
| 72 | clear_soft_references_ = clear_soft_references; |
| 73 | } |
| 74 | GcCause GetGcCause() const { |
| 75 | return gc_cause_; |
| 76 | } |
| 77 | |
| 78 | private: |
| 79 | void SetDurationNs(uint64_t duration) { |
| 80 | duration_ns_ = duration; |
| 81 | } |
| 82 | |
| 83 | GcCause gc_cause_; |
| 84 | bool clear_soft_references_; |
| 85 | uint64_t duration_ns_; |
| 86 | TimingLogger timings_; |
| 87 | ObjectBytePair freed_; |
| 88 | ObjectBytePair freed_los_; |
| 89 | uint64_t freed_bytes_revoke_; // see Heap::num_bytes_freed_revoke_. |
| 90 | std::vector<uint64_t> pause_times_; |
| 91 | |
| 92 | friend class GarbageCollector; |
| 93 | DISALLOW_COPY_AND_ASSIGN(Iteration); |
| 94 | }; |
| 95 | |
| 96 | } // namespace collector |
| 97 | } // namespace gc |
| 98 | } // namespace art |
| 99 | |
| 100 | #endif // ART_RUNTIME_GC_COLLECTOR_ITERATION_H_ |