Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 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_LIBARTBASE_BASE_METRICS_METRICS_TEST_H_ |
| 18 | #define ART_LIBARTBASE_BASE_METRICS_METRICS_TEST_H_ |
| 19 | |
| 20 | #include "metrics.h" |
| 21 | |
| 22 | #pragma clang diagnostic push |
| 23 | #pragma clang diagnostic error "-Wconversion" |
| 24 | |
| 25 | namespace art { |
| 26 | namespace metrics { |
| 27 | namespace test { |
| 28 | |
| 29 | // This namespace contains functions that are helpful for testing metrics but should not be used in |
| 30 | // production code. |
| 31 | |
| 32 | // A trivial MetricsBackend that does nothing for all of the members. This can be overridden by |
| 33 | // test cases to test specific behaviors. |
| 34 | class TestBackendBase : public MetricsBackend { |
| 35 | public: |
Martin Stjernholm | 25f410c | 2021-07-05 01:07:38 +0100 | [diff] [blame] | 36 | void BeginOrUpdateSession([[maybe_unused]] const SessionData& session_data) override {} |
Martin Stjernholm | c82f8f0 | 2021-02-10 13:23:48 +0000 | [diff] [blame] | 37 | |
| 38 | void BeginReport([[maybe_unused]] uint64_t timestamp_since_start_ms) override {} |
Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 39 | |
| 40 | void ReportCounter([[maybe_unused]] DatumId counter_type, |
| 41 | [[maybe_unused]] uint64_t value) override {} |
| 42 | |
| 43 | void ReportHistogram([[maybe_unused]] DatumId histogram_type, |
| 44 | [[maybe_unused]] int64_t low_value_, |
| 45 | [[maybe_unused]] int64_t high_value, |
| 46 | [[maybe_unused]] const std::vector<uint32_t>& buckets) override {} |
Martin Stjernholm | c82f8f0 | 2021-02-10 13:23:48 +0000 | [diff] [blame] | 47 | |
| 48 | void EndReport() override {} |
Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 49 | }; |
| 50 | |
Martin Stjernholm | 4fb5111 | 2021-04-30 11:53:52 +0100 | [diff] [blame] | 51 | template <typename MetricType> |
| 52 | uint64_t CounterValue(const MetricType& counter) { |
Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 53 | uint64_t counter_value{0}; |
| 54 | struct CounterBackend : public TestBackendBase { |
| 55 | explicit CounterBackend(uint64_t* counter_value) : counter_value_{counter_value} {} |
| 56 | |
| 57 | void ReportCounter(DatumId, uint64_t value) override { *counter_value_ = value; } |
| 58 | |
| 59 | uint64_t* counter_value_; |
| 60 | } backend{&counter_value}; |
Fairphone ODM | 25c12f5 | 2023-12-15 17:24:06 +0800 | [diff] [blame] | 61 | counter.Report({&backend}); |
Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 62 | return counter_value; |
| 63 | } |
| 64 | |
| 65 | template <DatumId histogram_type, size_t num_buckets, int64_t low_value, int64_t high_value> |
| 66 | std::vector<uint32_t> GetBuckets( |
| 67 | const MetricsHistogram<histogram_type, num_buckets, low_value, high_value>& histogram) { |
| 68 | std::vector<uint32_t> buckets; |
| 69 | struct HistogramBackend : public TestBackendBase { |
| 70 | explicit HistogramBackend(std::vector<uint32_t>* buckets) : buckets_{buckets} {} |
| 71 | |
| 72 | void ReportHistogram(DatumId, int64_t, int64_t, const std::vector<uint32_t>& buckets) override { |
| 73 | *buckets_ = buckets; |
| 74 | } |
| 75 | |
| 76 | std::vector<uint32_t>* buckets_; |
| 77 | } backend{&buckets}; |
Fairphone ODM | 25c12f5 | 2023-12-15 17:24:06 +0800 | [diff] [blame] | 78 | histogram.Report({&backend}); |
Paul Duffin | 7d02088 | 2021-02-08 10:16:27 +0000 | [diff] [blame] | 79 | return buckets; |
| 80 | } |
| 81 | |
| 82 | } // namespace test |
| 83 | } // namespace metrics |
| 84 | } // namespace art |
| 85 | |
| 86 | #pragma clang diagnostic pop // -Wconversion |
| 87 | |
| 88 | #endif // ART_LIBARTBASE_BASE_METRICS_METRICS_TEST_H_ |