Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 17 | #ifndef SRC_TRACING_CORE_TRACING_SERVICE_IMPL_H_ |
| 18 | #define SRC_TRACING_CORE_TRACING_SERVICE_IMPL_H_ |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 19 | |
| 20 | #include <functional> |
| 21 | #include <map> |
| 22 | #include <memory> |
Primiano Tucci | 14219ff | 2019-02-27 12:41:05 +0100 | [diff] [blame] | 23 | #include <mutex> |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 24 | #include <set> |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 25 | |
Eric Seckler | 57c89d9 | 2018-10-26 15:11:55 +0100 | [diff] [blame] | 26 | #include "perfetto/base/gtest_prod_util.h" |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 27 | #include "perfetto/base/logging.h" |
Eric Seckler | f3f524b | 2018-12-13 09:09:34 +0000 | [diff] [blame] | 28 | #include "perfetto/base/optional.h" |
Sami Kyostila | fbccb3c | 2018-03-21 14:00:47 +0000 | [diff] [blame] | 29 | #include "perfetto/base/time.h" |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 30 | #include "perfetto/base/weak_ptr.h" |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 31 | #include "perfetto/tracing/core/basic_types.h" |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 32 | #include "perfetto/tracing/core/commit_data_request.h" |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 33 | #include "perfetto/tracing/core/data_source_descriptor.h" |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 34 | #include "perfetto/tracing/core/observable_events.h" |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 35 | #include "perfetto/tracing/core/shared_memory_abi.h" |
Oystein Eftevaag | 1269b4a | 2018-01-10 16:29:38 -0800 | [diff] [blame] | 36 | #include "perfetto/tracing/core/trace_config.h" |
Eric Seckler | eaf29ed | 2019-01-23 09:53:55 +0000 | [diff] [blame] | 37 | #include "perfetto/tracing/core/trace_stats.h" |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 38 | #include "perfetto/tracing/core/tracing_service.h" |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 39 | #include "src/tracing/core/id_allocator.h" |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 40 | |
| 41 | namespace perfetto { |
| 42 | |
| 43 | namespace base { |
| 44 | class TaskRunner; |
| 45 | } // namespace base |
| 46 | |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 47 | class Consumer; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 48 | class DataSourceConfig; |
| 49 | class Producer; |
| 50 | class SharedMemory; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 51 | class SharedMemoryArbiterImpl; |
Hector Dearman | 6214c8f | 2018-03-27 16:16:22 +0100 | [diff] [blame] | 52 | class TraceBuffer; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 53 | class TraceConfig; |
Sami Kyostila | fbccb3c | 2018-03-21 14:00:47 +0000 | [diff] [blame] | 54 | class TracePacket; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 55 | |
| 56 | // The tracing service business logic. |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 57 | class TracingServiceImpl : public TracingService { |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 58 | private: |
| 59 | struct DataSourceInstance; |
| 60 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 61 | public: |
Primiano Tucci | 1a1951d | 2018-04-04 21:08:16 +0200 | [diff] [blame] | 62 | static constexpr size_t kDefaultShmSize = 256 * 1024ul; |
Primiano Tucci | e7ca7c6 | 2018-04-07 08:28:03 +0200 | [diff] [blame] | 63 | static constexpr size_t kMaxShmSize = 32 * 1024 * 1024ul; |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 64 | static constexpr uint32_t kDataSourceStopTimeoutMs = 5000; |
Primiano Tucci | 9754d0d | 2018-09-15 12:41:46 +0100 | [diff] [blame] | 65 | static constexpr uint8_t kSyncMarker[] = {0x82, 0x47, 0x7a, 0x76, 0xb2, 0x8d, |
| 66 | 0x42, 0xba, 0x81, 0xdc, 0x33, 0x32, |
| 67 | 0x6d, 0x57, 0xa0, 0x79}; |
Primiano Tucci | 1a1951d | 2018-04-04 21:08:16 +0200 | [diff] [blame] | 68 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 69 | // The implementation behind the service endpoint exposed to each producer. |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 70 | class ProducerEndpointImpl : public TracingService::ProducerEndpoint { |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 71 | public: |
| 72 | ProducerEndpointImpl(ProducerID, |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 73 | uid_t uid, |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 74 | TracingServiceImpl*, |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 75 | base::TaskRunner*, |
Isabelle Taylor | 86262cb | 2018-03-27 16:00:54 +0100 | [diff] [blame] | 76 | Producer*, |
| 77 | const std::string& producer_name); |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 78 | ~ProducerEndpointImpl() override; |
| 79 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 80 | // TracingService::ProducerEndpoint implementation. |
Primiano Tucci | 9daa483 | 2018-03-28 23:28:17 +0100 | [diff] [blame] | 81 | void RegisterDataSource(const DataSourceDescriptor&) override; |
| 82 | void UnregisterDataSource(const std::string& name) override; |
Eric Seckler | 1c4e1ac | 2018-11-29 10:23:14 +0000 | [diff] [blame] | 83 | void RegisterTraceWriter(uint32_t writer_id, |
| 84 | uint32_t target_buffer) override; |
| 85 | void UnregisterTraceWriter(uint32_t writer_id) override; |
Primiano Tucci | 3e69ed9 | 2018-03-14 14:52:29 +0000 | [diff] [blame] | 86 | void CommitData(const CommitDataRequest&, CommitDataCallback) override; |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 87 | void SetSharedMemory(std::unique_ptr<SharedMemory>); |
Primiano Tucci | af429f9 | 2017-12-19 01:51:50 +0100 | [diff] [blame] | 88 | std::unique_ptr<TraceWriter> CreateTraceWriter(BufferID) override; |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 89 | void NotifyFlushComplete(FlushRequestID) override; |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 90 | void NotifyDataSourceStarted(DataSourceInstanceID) override; |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 91 | void NotifyDataSourceStopped(DataSourceInstanceID) override; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 92 | SharedMemory* shared_memory() const override; |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 93 | size_t shared_buffer_page_size_kb() const override; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 94 | |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 95 | void OnTracingSetup(); |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 96 | void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&); |
Primiano Tucci | afb72b5 | 2018-09-25 09:37:24 +0100 | [diff] [blame] | 97 | void StartDataSource(DataSourceInstanceID, const DataSourceConfig&); |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 98 | void StopDataSource(DataSourceInstanceID); |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 99 | void Flush(FlushRequestID, const std::vector<DataSourceInstanceID>&); |
Eric Seckler | 6dc2359 | 2018-11-30 10:59:06 +0000 | [diff] [blame] | 100 | void OnFreeBuffers(const std::vector<BufferID>& target_buffers); |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 101 | |
Eric Seckler | dd0ad10 | 2018-12-06 11:32:04 +0000 | [diff] [blame] | 102 | bool is_allowed_target_buffer(BufferID buffer_id) const { |
| 103 | return allowed_target_buffers_.count(buffer_id); |
| 104 | } |
| 105 | |
Eric Seckler | f3f524b | 2018-12-13 09:09:34 +0000 | [diff] [blame] | 106 | base::Optional<BufferID> buffer_id_for_writer(WriterID writer_id) const { |
| 107 | const auto it = writers_.find(writer_id); |
| 108 | if (it != writers_.end()) |
| 109 | return it->second; |
| 110 | return base::nullopt; |
| 111 | } |
| 112 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 113 | private: |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 114 | friend class TracingServiceImpl; |
| 115 | friend class TracingServiceImplTest; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 116 | ProducerEndpointImpl(const ProducerEndpointImpl&) = delete; |
| 117 | ProducerEndpointImpl& operator=(const ProducerEndpointImpl&) = delete; |
Primiano Tucci | dca727d | 2018-04-04 11:31:55 +0200 | [diff] [blame] | 118 | SharedMemoryArbiterImpl* GetOrCreateShmemArbiter(); |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 119 | |
| 120 | ProducerID const id_; |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 121 | const uid_t uid_; |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 122 | TracingServiceImpl* const service_; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 123 | base::TaskRunner* const task_runner_; |
| 124 | Producer* producer_; |
| 125 | std::unique_ptr<SharedMemory> shared_memory_; |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 126 | size_t shared_buffer_page_size_kb_ = 0; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 127 | SharedMemoryABI shmem_abi_; |
Primiano Tucci | 1a1951d | 2018-04-04 21:08:16 +0200 | [diff] [blame] | 128 | size_t shmem_size_hint_bytes_ = 0; |
Isabelle Taylor | 86262cb | 2018-03-27 16:00:54 +0100 | [diff] [blame] | 129 | const std::string name_; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 130 | |
Eric Seckler | 6dc2359 | 2018-11-30 10:59:06 +0000 | [diff] [blame] | 131 | // Set of the global target_buffer IDs that the producer is configured to |
| 132 | // write into in any active tracing session. |
| 133 | std::set<BufferID> allowed_target_buffers_; |
| 134 | |
Eric Seckler | f3f524b | 2018-12-13 09:09:34 +0000 | [diff] [blame] | 135 | // Maps registered TraceWriter IDs to their target buffers as registered by |
| 136 | // the producer. Note that producers aren't required to register their |
| 137 | // writers, so we may see commits of chunks with WriterIDs that aren't |
| 138 | // contained in this map. However, if a producer does register a writer, the |
| 139 | // service will prevent the writer from writing into any other buffer than |
| 140 | // the one associated with it here. The BufferIDs stored in this map are |
| 141 | // untrusted, so need to be verified against |allowed_target_buffers_| |
| 142 | // before use. |
| 143 | std::map<WriterID, BufferID> writers_; |
| 144 | |
Primiano Tucci | 14219ff | 2019-02-27 12:41:05 +0100 | [diff] [blame] | 145 | // This is used only in in-process configurations. The mutex protects |
| 146 | // concurrent construction of |inproc_shmem_arbiter_|. |
| 147 | // SharedMemoryArbiterImpl methods themselves are thread-safe. |
| 148 | std::mutex inproc_shmem_arbiter_mutex_; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 149 | std::unique_ptr<SharedMemoryArbiterImpl> inproc_shmem_arbiter_; |
Primiano Tucci | 14219ff | 2019-02-27 12:41:05 +0100 | [diff] [blame] | 150 | |
Florian Mayer | cd08ec6 | 2018-01-31 17:49:25 +0000 | [diff] [blame] | 151 | PERFETTO_THREAD_CHECKER(thread_checker_) |
Primiano Tucci | dca727d | 2018-04-04 11:31:55 +0200 | [diff] [blame] | 152 | base::WeakPtrFactory<ProducerEndpointImpl> weak_ptr_factory_; // Keep last. |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 153 | }; |
| 154 | |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 155 | // The implementation behind the service endpoint exposed to each consumer. |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 156 | class ConsumerEndpointImpl : public TracingService::ConsumerEndpoint { |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 157 | public: |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 158 | ConsumerEndpointImpl(TracingServiceImpl*, |
| 159 | base::TaskRunner*, |
| 160 | Consumer*, |
| 161 | uid_t uid); |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 162 | ~ConsumerEndpointImpl() override; |
| 163 | |
Primiano Tucci | dca727d | 2018-04-04 11:31:55 +0200 | [diff] [blame] | 164 | void NotifyOnTracingDisabled(); |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 165 | base::WeakPtr<ConsumerEndpointImpl> GetWeakPtr(); |
| 166 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 167 | // TracingService::ConsumerEndpoint implementation. |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 168 | void EnableTracing(const TraceConfig&, base::ScopedFile) override; |
Oystein Eftevaag | cb6e4c8 | 2019-03-06 15:38:26 -0800 | [diff] [blame] | 169 | void ChangeTraceConfig(const TraceConfig& cfg) override; |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 170 | void StartTracing() override; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 171 | void DisableTracing() override; |
| 172 | void ReadBuffers() override; |
| 173 | void FreeBuffers() override; |
Primiano Tucci | 3cbb10a | 2018-04-10 17:52:40 +0100 | [diff] [blame] | 174 | void Flush(uint32_t timeout_ms, FlushCallback) override; |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 175 | void Detach(const std::string& key) override; |
| 176 | void Attach(const std::string& key) override; |
Eric Seckler | eaf29ed | 2019-01-23 09:53:55 +0000 | [diff] [blame] | 177 | void GetTraceStats() override; |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 178 | void ObserveEvents(uint32_t enabled_event_types) override; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 179 | |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 180 | // If |observe_data_source_instances == true|, will queue a task to notify |
| 181 | // the consumer about the state change. |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 182 | void OnDataSourceInstanceStateChange(const ProducerEndpointImpl&, |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 183 | const DataSourceInstance&); |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 184 | |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 185 | private: |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 186 | friend class TracingServiceImpl; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 187 | ConsumerEndpointImpl(const ConsumerEndpointImpl&) = delete; |
| 188 | ConsumerEndpointImpl& operator=(const ConsumerEndpointImpl&) = delete; |
| 189 | |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 190 | // Returns a pointer to an ObservableEvents object that the caller can fill |
| 191 | // and schedules a task to send the ObservableEvents to the consumer. |
| 192 | ObservableEvents* AddObservableEvents(); |
| 193 | |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 194 | base::TaskRunner* const task_runner_; |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 195 | TracingServiceImpl* const service_; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 196 | Consumer* const consumer_; |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 197 | uid_t const uid_; |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 198 | TracingSessionID tracing_session_id_ = 0; |
Eric Seckler | 7b0c945 | 2019-03-18 13:14:36 +0000 | [diff] [blame^] | 199 | |
| 200 | // Whether the consumer is interested in DataSourceInstance state change |
| 201 | // events. |
| 202 | uint32_t enabled_observable_event_types_ = ObservableEventType::kNone; |
| 203 | // ObservableEvents that will be sent to the consumer. If set, a task to |
| 204 | // flush the events to the consumer has been queued. |
| 205 | std::unique_ptr<ObservableEvents> observable_events_; |
| 206 | |
Florian Mayer | cd08ec6 | 2018-01-31 17:49:25 +0000 | [diff] [blame] | 207 | PERFETTO_THREAD_CHECKER(thread_checker_) |
Primiano Tucci | dca727d | 2018-04-04 11:31:55 +0200 | [diff] [blame] | 208 | base::WeakPtrFactory<ConsumerEndpointImpl> weak_ptr_factory_; // Keep last. |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 209 | }; |
| 210 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 211 | explicit TracingServiceImpl(std::unique_ptr<SharedMemory::Factory>, |
| 212 | base::TaskRunner*); |
| 213 | ~TracingServiceImpl() override; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 214 | |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 215 | // Called by ProducerEndpointImpl. |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 216 | void DisconnectProducer(ProducerID); |
Primiano Tucci | 9daa483 | 2018-03-28 23:28:17 +0100 | [diff] [blame] | 217 | void RegisterDataSource(ProducerID, const DataSourceDescriptor&); |
| 218 | void UnregisterDataSource(ProducerID, const std::string& name); |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 219 | void CopyProducerPageIntoLogBuffer(ProducerID, |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 220 | uid_t, |
| 221 | WriterID, |
| 222 | ChunkID, |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 223 | BufferID, |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 224 | uint16_t num_fragments, |
| 225 | uint8_t chunk_flags, |
Eric Seckler | b77b27e | 2018-12-17 11:42:52 +0000 | [diff] [blame] | 226 | bool chunk_complete, |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 227 | const uint8_t* src, |
| 228 | size_t size); |
| 229 | void ApplyChunkPatches(ProducerID, |
| 230 | const std::vector<CommitDataRequest::ChunkToPatch>&); |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 231 | void NotifyFlushDoneForProducer(ProducerID, FlushRequestID); |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 232 | void NotifyDataSourceStarted(ProducerID, const DataSourceInstanceID); |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 233 | void NotifyDataSourceStopped(ProducerID, const DataSourceInstanceID); |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 234 | |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 235 | // Called by ConsumerEndpointImpl. |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 236 | bool DetachConsumer(ConsumerEndpointImpl*, const std::string& key); |
| 237 | bool AttachConsumer(ConsumerEndpointImpl*, const std::string& key); |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 238 | void DisconnectConsumer(ConsumerEndpointImpl*); |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 239 | bool EnableTracing(ConsumerEndpointImpl*, |
| 240 | const TraceConfig&, |
| 241 | base::ScopedFile); |
Oystein Eftevaag | cb6e4c8 | 2019-03-06 15:38:26 -0800 | [diff] [blame] | 242 | void ChangeTraceConfig(ConsumerEndpointImpl*, const TraceConfig&); |
| 243 | |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 244 | bool StartTracing(TracingSessionID); |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 245 | void DisableTracing(TracingSessionID, bool disable_immediately = false); |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 246 | void Flush(TracingSessionID tsid, |
Primiano Tucci | 3cbb10a | 2018-04-10 17:52:40 +0100 | [diff] [blame] | 247 | uint32_t timeout_ms, |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 248 | ConsumerEndpoint::FlushCallback); |
| 249 | void FlushAndDisableTracing(TracingSessionID); |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 250 | void ReadBuffers(TracingSessionID, ConsumerEndpointImpl*); |
| 251 | void FreeBuffers(TracingSessionID); |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 252 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 253 | // Service implementation. |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 254 | std::unique_ptr<TracingService::ProducerEndpoint> ConnectProducer( |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 255 | Producer*, |
Sami Kyostila | 32e0b54 | 2018-02-14 08:55:43 +0000 | [diff] [blame] | 256 | uid_t uid, |
Isabelle Taylor | 86262cb | 2018-03-27 16:00:54 +0100 | [diff] [blame] | 257 | const std::string& producer_name, |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 258 | size_t shared_memory_size_hint_bytes = 0) override; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 259 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 260 | std::unique_ptr<TracingService::ConsumerEndpoint> ConnectConsumer( |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 261 | Consumer*, |
| 262 | uid_t) override; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 263 | |
Eric Seckler | a01e28a | 2019-01-08 11:21:04 +0000 | [diff] [blame] | 264 | void SetSMBScrapingEnabled(bool enabled) override { |
| 265 | smb_scraping_enabled_ = enabled; |
| 266 | } |
| 267 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 268 | // Exposed mainly for testing. |
| 269 | size_t num_producers() const { return producers_.size(); } |
| 270 | ProducerEndpointImpl* GetProducer(ProducerID) const; |
| 271 | |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 272 | uint32_t override_data_source_test_timeout_ms_for_testing = 0; |
| 273 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 274 | private: |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 275 | friend class TracingServiceImplTest; |
Primiano Tucci | 081d46a | 2018-02-28 11:09:43 +0000 | [diff] [blame] | 276 | |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 277 | struct RegisteredDataSource { |
| 278 | ProducerID producer_id; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 279 | DataSourceDescriptor descriptor; |
| 280 | }; |
| 281 | |
Sami Kyostila | 06487a2 | 2018-02-27 13:48:38 +0000 | [diff] [blame] | 282 | // Represents an active data source for a tracing session. |
| 283 | struct DataSourceInstance { |
Primiano Tucci | 5403e4f | 2018-11-27 10:07:03 +0000 | [diff] [blame] | 284 | DataSourceInstance(DataSourceInstanceID id, |
| 285 | const DataSourceConfig& cfg, |
| 286 | const std::string& ds_name, |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 287 | bool notify_on_start, |
| 288 | bool notify_on_stop) |
Primiano Tucci | 5403e4f | 2018-11-27 10:07:03 +0000 | [diff] [blame] | 289 | : instance_id(id), |
| 290 | config(cfg), |
| 291 | data_source_name(ds_name), |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 292 | will_notify_on_start(notify_on_start), |
| 293 | will_notify_on_stop(notify_on_stop) {} |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 294 | DataSourceInstance(const DataSourceInstance&) = delete; |
| 295 | DataSourceInstance& operator=(const DataSourceInstance&) = delete; |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 296 | |
Sami Kyostila | 06487a2 | 2018-02-27 13:48:38 +0000 | [diff] [blame] | 297 | DataSourceInstanceID instance_id; |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 298 | DataSourceConfig config; |
Primiano Tucci | 9daa483 | 2018-03-28 23:28:17 +0100 | [diff] [blame] | 299 | std::string data_source_name; |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 300 | bool will_notify_on_start; |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 301 | bool will_notify_on_stop; |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 302 | |
| 303 | enum DataSourceInstanceState { |
| 304 | CONFIGURED, |
| 305 | STARTING, |
| 306 | STARTED, |
| 307 | STOPPING, |
| 308 | STOPPED |
| 309 | }; |
| 310 | DataSourceInstanceState state = CONFIGURED; |
Sami Kyostila | 06487a2 | 2018-02-27 13:48:38 +0000 | [diff] [blame] | 311 | }; |
| 312 | |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 313 | struct PendingFlush { |
| 314 | std::set<ProducerID> producers; |
| 315 | ConsumerEndpoint::FlushCallback callback; |
| 316 | explicit PendingFlush(decltype(callback) cb) : callback(std::move(cb)) {} |
| 317 | }; |
| 318 | |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 319 | // Holds the state of a tracing session. A tracing session is uniquely bound |
| 320 | // a specific Consumer. Each Consumer can own one or more sessions. |
| 321 | struct TracingSession { |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 322 | enum State { |
| 323 | DISABLED = 0, |
| 324 | CONFIGURED, |
| 325 | STARTED, |
| 326 | DISABLING_WAITING_STOP_ACKS |
| 327 | }; |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 328 | |
| 329 | TracingSession(TracingSessionID, ConsumerEndpointImpl*, const TraceConfig&); |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 330 | |
| 331 | size_t num_buffers() const { return buffers_index.size(); } |
| 332 | |
Primiano Tucci | 3cbb10a | 2018-04-10 17:52:40 +0100 | [diff] [blame] | 333 | uint32_t delay_to_next_write_period_ms() const { |
Sami Kyostila | 01c45f0 | 2018-03-29 15:43:10 +0100 | [diff] [blame] | 334 | PERFETTO_DCHECK(write_period_ms > 0); |
| 335 | return write_period_ms - |
| 336 | (base::GetWallTimeMs().count() % write_period_ms); |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 337 | } |
| 338 | |
Florian Mayer | e563f66 | 2019-01-09 11:04:50 +0000 | [diff] [blame] | 339 | uint32_t flush_timeout_ms() { |
| 340 | uint32_t timeout_ms = config.flush_timeout_ms(); |
| 341 | return timeout_ms ? timeout_ms : kDefaultFlushTimeoutMs; |
| 342 | } |
| 343 | |
Eric Seckler | d0ac7ca | 2019-02-06 09:13:45 +0000 | [diff] [blame] | 344 | PacketSequenceID GetPacketSequenceID(ProducerID producer_id, |
| 345 | WriterID writer_id) { |
| 346 | auto key = std::make_pair(producer_id, writer_id); |
| 347 | auto it = packet_sequence_ids.find(key); |
| 348 | if (it != packet_sequence_ids.end()) |
| 349 | return it->second; |
| 350 | // We shouldn't run out of sequence IDs (producer ID is 16 bit, writer IDs |
| 351 | // are limited to 1024). |
| 352 | static_assert(kMaxPacketSequenceID > kMaxProducerID * kMaxWriterID, |
| 353 | "PacketSequenceID value space doesn't cover service " |
| 354 | "sequence ID and all producer/writer ID combinations!"); |
| 355 | PERFETTO_DCHECK(last_packet_sequence_id < kMaxPacketSequenceID); |
| 356 | PacketSequenceID sequence_id = ++last_packet_sequence_id; |
| 357 | packet_sequence_ids[key] = sequence_id; |
| 358 | return sequence_id; |
| 359 | } |
| 360 | |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 361 | DataSourceInstance* GetDataSourceInstance( |
| 362 | ProducerID producer_id, |
| 363 | DataSourceInstanceID instance_id) { |
| 364 | for (auto& inst_kv : data_source_instances) { |
| 365 | if (inst_kv.first != producer_id || |
| 366 | inst_kv.second.instance_id != instance_id) { |
| 367 | continue; |
| 368 | } |
| 369 | return &inst_kv.second; |
| 370 | } |
| 371 | return nullptr; |
| 372 | } |
| 373 | |
| 374 | bool AllDataSourceInstancesStopped() { |
| 375 | for (const auto& inst_kv : data_source_instances) { |
| 376 | if (inst_kv.second.state != DataSourceInstance::STOPPED) |
| 377 | return false; |
| 378 | } |
| 379 | return true; |
| 380 | } |
| 381 | |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 382 | const TracingSessionID id; |
| 383 | |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 384 | // The consumer that started the session. |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 385 | // Can be nullptr if the consumer detached from the session. |
| 386 | ConsumerEndpointImpl* consumer_maybe_null; |
| 387 | |
| 388 | // Unix uid of the consumer. This is valid even after the consumer detaches |
| 389 | // and does not change for the entire duration of the session. It is used to |
| 390 | // prevent that a consumer re-attaches to a session from a different uid. |
| 391 | uid_t const consumer_uid; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 392 | |
Oystein Eftevaag | cb6e4c8 | 2019-03-06 15:38:26 -0800 | [diff] [blame] | 393 | // The trace config provided by the Consumer when calling |
| 394 | // EnableTracing(), plus any updates performed by ChangeTraceConfig. |
| 395 | TraceConfig config; |
Oystein Eftevaag | 1269b4a | 2018-01-10 16:29:38 -0800 | [diff] [blame] | 396 | |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 397 | // List of data source instances that have been enabled on the various |
| 398 | // producers for this tracing session. |
Sami Kyostila | 06487a2 | 2018-02-27 13:48:38 +0000 | [diff] [blame] | 399 | std::multimap<ProducerID, DataSourceInstance> data_source_instances; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 400 | |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 401 | // For each Flush(N) request, keeps track of the set of producers for which |
| 402 | // we are still awaiting a NotifyFlushComplete(N) ack. |
| 403 | std::map<FlushRequestID, PendingFlush> pending_flushes; |
| 404 | |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 405 | // Maps a per-trace-session buffer index into the corresponding global |
| 406 | // BufferID (shared namespace amongst all consumers). This vector has as |
| 407 | // many entries as |config.buffers_size()|. |
| 408 | std::vector<BufferID> buffers_index; |
Sami Kyostila | fbccb3c | 2018-03-21 14:00:47 +0000 | [diff] [blame] | 409 | |
Eric Seckler | d0ac7ca | 2019-02-06 09:13:45 +0000 | [diff] [blame] | 410 | std::map<std::pair<ProducerID, WriterID>, PacketSequenceID> |
| 411 | packet_sequence_ids; |
| 412 | PacketSequenceID last_packet_sequence_id = kServicePacketSequenceID; |
| 413 | |
Primiano Tucci | 9754d0d | 2018-09-15 12:41:46 +0100 | [diff] [blame] | 414 | // When the last snapshots (clock, stats, sync marker) were emitted into |
| 415 | // the output stream. |
| 416 | base::TimeMillis last_snapshot_time = {}; |
Primiano Tucci | 5e33cad | 2018-04-30 14:41:25 +0100 | [diff] [blame] | 417 | |
Sami Kyostila | 200bd2e | 2018-03-26 12:24:10 +0100 | [diff] [blame] | 418 | // Whether we mirrored the trace config back to the trace output yet. |
| 419 | bool did_emit_config = false; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 420 | |
Hector Dearman | 685f752 | 2019-03-12 14:28:56 +0000 | [diff] [blame] | 421 | // Whether we put the system info into the trace output yet. |
| 422 | bool did_emit_system_info = false; |
| 423 | |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 424 | State state = DISABLED; |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 425 | |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 426 | // If the consumer detached the session, this variable defines the key used |
| 427 | // for identifying the session later when reattaching. |
| 428 | std::string detach_key; |
| 429 | |
Primiano Tucci | 2ffd1a5 | 2018-03-27 01:01:30 +0100 | [diff] [blame] | 430 | // This is set when the Consumer calls sets |write_into_file| == true in the |
| 431 | // TraceConfig. In this case this represents the file we should stream the |
| 432 | // trace packets into, rather than returning it to the consumer via |
| 433 | // OnTraceData(). |
| 434 | base::ScopedFile write_into_file; |
Primiano Tucci | 3cbb10a | 2018-04-10 17:52:40 +0100 | [diff] [blame] | 435 | uint32_t write_period_ms = 0; |
| 436 | uint64_t max_file_size_bytes = 0; |
| 437 | uint64_t bytes_written_into_file = 0; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 438 | }; |
| 439 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 440 | TracingServiceImpl(const TracingServiceImpl&) = delete; |
| 441 | TracingServiceImpl& operator=(const TracingServiceImpl&) = delete; |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 442 | |
Primiano Tucci | 674076d | 2018-10-01 10:41:09 +0100 | [diff] [blame] | 443 | DataSourceInstance* SetupDataSource(const TraceConfig::DataSource&, |
| 444 | const TraceConfig::ProducerConfig&, |
| 445 | const RegisteredDataSource&, |
| 446 | TracingSession*); |
Oystein Eftevaag | 1269b4a | 2018-01-10 16:29:38 -0800 | [diff] [blame] | 447 | |
Primiano Tucci | 081d46a | 2018-02-28 11:09:43 +0000 | [diff] [blame] | 448 | // Returns the next available ProducerID that is not in |producers_|. |
| 449 | ProducerID GetNextProducerID(); |
| 450 | |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 451 | // Returns a pointer to the |tracing_sessions_| entry or nullptr if the |
| 452 | // session doesn't exists. |
| 453 | TracingSession* GetTracingSession(TracingSessionID); |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 454 | |
Primiano Tucci | 9ba1d84 | 2018-12-20 17:31:04 +0100 | [diff] [blame] | 455 | // Returns a pointer to the |tracing_sessions_| entry, matching the given |
| 456 | // uid and detach key, or nullptr if no such session exists. |
| 457 | TracingSession* GetDetachedSession(uid_t, const std::string& key); |
| 458 | |
Lalit Maganti | 485faff | 2018-03-06 11:51:35 +0000 | [diff] [blame] | 459 | // Update the memory guard rail by using the latest information from the |
| 460 | // shared memory and trace buffers. |
| 461 | void UpdateMemoryGuardrail(); |
| 462 | |
Eric Seckler | 4ff03e5 | 2019-03-15 10:10:30 +0000 | [diff] [blame] | 463 | void StartDataSourceInstance(ProducerEndpointImpl* producer, |
| 464 | TracingSession* tracing_session, |
| 465 | DataSourceInstance* instance); |
Primiano Tucci | 9754d0d | 2018-09-15 12:41:46 +0100 | [diff] [blame] | 466 | void SnapshotSyncMarker(std::vector<TracePacket>*); |
| 467 | void SnapshotClocks(std::vector<TracePacket>*); |
| 468 | void SnapshotStats(TracingSession*, std::vector<TracePacket>*); |
Eric Seckler | eaf29ed | 2019-01-23 09:53:55 +0000 | [diff] [blame] | 469 | TraceStats GetTraceStats(TracingSession* tracing_session); |
Sami Kyostila | 200bd2e | 2018-03-26 12:24:10 +0100 | [diff] [blame] | 470 | void MaybeEmitTraceConfig(TracingSession*, std::vector<TracePacket>*); |
Hector Dearman | 685f752 | 2019-03-12 14:28:56 +0000 | [diff] [blame] | 471 | void MaybeEmitSystemInfo(TracingSession*, std::vector<TracePacket>*); |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 472 | void OnFlushTimeout(TracingSessionID, FlushRequestID); |
Primiano Tucci | baeecf1 | 2018-07-25 12:02:20 +0100 | [diff] [blame] | 473 | void OnDisableTracingTimeout(TracingSessionID); |
| 474 | void DisableTracingNotifyConsumerAndFlushFile(TracingSession*); |
Primiano Tucci | caa5780 | 2018-11-25 11:07:07 +0000 | [diff] [blame] | 475 | void PeriodicFlushTask(TracingSessionID, bool post_next_only); |
Eric Seckler | a01e28a | 2019-01-08 11:21:04 +0000 | [diff] [blame] | 476 | void CompleteFlush(TracingSessionID tsid, |
| 477 | ConsumerEndpoint::FlushCallback callback, |
| 478 | bool success); |
| 479 | void ScrapeSharedMemoryBuffers(TracingSession* tracing_session, |
| 480 | ProducerEndpointImpl* producer); |
Hector Dearman | 6214c8f | 2018-03-27 16:16:22 +0100 | [diff] [blame] | 481 | TraceBuffer* GetBufferByID(BufferID); |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 482 | |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 483 | base::TaskRunner* const task_runner_; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 484 | std::unique_ptr<SharedMemory::Factory> shm_factory_; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 485 | ProducerID last_producer_id_ = 0; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 486 | DataSourceInstanceID last_data_source_instance_id_ = 0; |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 487 | TracingSessionID last_tracing_session_id_ = 0; |
Primiano Tucci | d52e627 | 2018-04-06 19:06:53 +0200 | [diff] [blame] | 488 | FlushRequestID last_flush_request_id_ = 0; |
Primiano Tucci | 5e33cad | 2018-04-30 14:41:25 +0100 | [diff] [blame] | 489 | uid_t uid_ = 0; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 490 | |
| 491 | // Buffer IDs are global across all consumers (because a Producer can produce |
| 492 | // data for more than one trace session, hence more than one consumer). |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 493 | IdAllocator<BufferID> buffer_ids_; |
Primiano Tucci | 5358933 | 2017-12-19 11:31:13 +0100 | [diff] [blame] | 494 | |
| 495 | std::multimap<std::string /*name*/, RegisteredDataSource> data_sources_; |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 496 | std::map<ProducerID, ProducerEndpointImpl*> producers_; |
Primiano Tucci | 42e2de1 | 2017-12-07 16:46:04 +0000 | [diff] [blame] | 497 | std::set<ConsumerEndpointImpl*> consumers_; |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 498 | std::map<TracingSessionID, TracingSession> tracing_sessions_; |
Hector Dearman | 6214c8f | 2018-03-27 16:16:22 +0100 | [diff] [blame] | 499 | std::map<BufferID, std::unique_ptr<TraceBuffer>> buffers_; |
Primiano Tucci | 20d441d | 2018-01-16 09:25:51 +0000 | [diff] [blame] | 500 | |
Eric Seckler | a01e28a | 2019-01-08 11:21:04 +0000 | [diff] [blame] | 501 | bool smb_scraping_enabled_ = false; |
Florian Mayer | 61c5548 | 2018-03-06 14:43:54 +0000 | [diff] [blame] | 502 | bool lockdown_mode_ = false; |
Primiano Tucci | 9754d0d | 2018-09-15 12:41:46 +0100 | [diff] [blame] | 503 | uint32_t min_write_period_ms_ = 100; // Overridable for testing. |
| 504 | |
| 505 | uint8_t sync_marker_packet_[32]; // Lazily initialized. |
| 506 | size_t sync_marker_packet_size_ = 0; |
Florian Mayer | 61c5548 | 2018-03-06 14:43:54 +0000 | [diff] [blame] | 507 | |
Eric Seckler | 2c72bd8 | 2019-02-08 15:01:34 +0000 | [diff] [blame] | 508 | // Stats. |
| 509 | uint64_t chunks_discarded_ = 0; |
| 510 | uint64_t patches_discarded_ = 0; |
| 511 | |
Florian Mayer | cd08ec6 | 2018-01-31 17:49:25 +0000 | [diff] [blame] | 512 | PERFETTO_THREAD_CHECKER(thread_checker_) |
| 513 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 514 | base::WeakPtrFactory<TracingServiceImpl> |
| 515 | weak_ptr_factory_; // Keep at the end. |
Primiano Tucci | 4f9b6d7 | 2017-12-05 20:59:16 +0000 | [diff] [blame] | 516 | }; |
| 517 | |
| 518 | } // namespace perfetto |
| 519 | |
Florian Mayer | 6a1a4d5 | 2018-06-08 16:47:07 +0100 | [diff] [blame] | 520 | #endif // SRC_TRACING_CORE_TRACING_SERVICE_IMPL_H_ |