| /* |
| * Copyright (C) 2019 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 SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_ |
| #define SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_ |
| |
| #include <memory> |
| #include <set> |
| #include <vector> |
| |
| #include "perfetto/ext/base/unix_task_runner.h" |
| #include "perfetto/ext/base/weak_ptr.h" |
| #include "perfetto/ext/tracing/core/basic_types.h" |
| #include "perfetto/ext/tracing/core/producer.h" |
| #include "perfetto/ext/tracing/core/tracing_service.h" |
| #include "perfetto/ext/tracing/ipc/producer_ipc_client.h" |
| #include "perfetto/tracing/core/data_source_config.h" |
| #include "perfetto/tracing/core/data_source_descriptor.h" |
| |
| #include "perfetto/tracing/core/forward_decls.h" |
| #include "protos/perfetto/config/profiling/java_hprof_config.gen.h" |
| |
| namespace perfetto { |
| namespace profiling { |
| |
| using JavaHprofConfig = protos::gen::JavaHprofConfig; |
| |
| class JavaHprofProducer : public Producer { |
| public: |
| explicit JavaHprofProducer(base::TaskRunner* task_runner) |
| : task_runner_(task_runner), weak_factory_(this) {} |
| |
| // Producer Impl: |
| void OnConnect() override; |
| void OnDisconnect() override; |
| void SetupDataSource(DataSourceInstanceID, const DataSourceConfig&) override; |
| void StartDataSource(DataSourceInstanceID, const DataSourceConfig&) override; |
| void StopDataSource(DataSourceInstanceID) override; |
| void OnTracingSetup() override {} |
| void Flush(FlushRequestID, |
| const DataSourceInstanceID* data_source_ids, |
| size_t num_data_sources) override; |
| void ClearIncrementalState(const DataSourceInstanceID* /*data_source_ids*/, |
| size_t /*num_data_sources*/) override {} |
| // TODO(fmayer): Refactor once/if we have generic reconnect logic. |
| void ConnectWithRetries(const char* socket_name); |
| void SetProducerEndpoint( |
| std::unique_ptr<TracingService::ProducerEndpoint> endpoint); |
| |
| private: |
| // State of the connection to tracing service (traced). |
| enum State { |
| kNotStarted = 0, |
| kNotConnected, |
| kConnecting, |
| kConnected, |
| }; |
| |
| class DataSource { |
| public: |
| DataSource(DataSourceConfig ds_config, |
| JavaHprofConfig config, |
| std::vector<std::string> target_cmdlines); |
| void CollectPids(); |
| void SendSignal() const; |
| |
| const JavaHprofConfig& config() const { return config_; } |
| const DataSourceConfig& ds_config() const { return ds_config_; } |
| |
| private: |
| DataSourceConfig ds_config_; |
| JavaHprofConfig config_; |
| std::vector<std::string> target_cmdlines_; |
| |
| std::set<pid_t> pids_; |
| }; |
| |
| void ConnectService(); |
| void Restart(); |
| void ResetConnectionBackoff(); |
| void IncreaseConnectionBackoff(); |
| |
| void DoContinuousDump(DataSourceInstanceID id, uint32_t dump_interval); |
| |
| // State of connection to the tracing service. |
| State state_ = kNotStarted; |
| uint32_t connection_backoff_ms_ = 0; |
| const char* producer_sock_name_ = nullptr; |
| |
| base::TaskRunner* const task_runner_; |
| std::unique_ptr<TracingService::ProducerEndpoint> endpoint_; |
| |
| std::map<DataSourceInstanceID, DataSource> data_sources_; |
| |
| base::WeakPtrFactory<JavaHprofProducer> weak_factory_; // Keep last. |
| }; |
| |
| } // namespace profiling |
| } // namespace perfetto |
| |
| #endif // SRC_PROFILING_MEMORY_JAVA_HPROF_PRODUCER_H_ |