| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_PROFILING_PROFILING_SERVICE_H_ |
| #define CHROME_PROFILING_PROFILING_SERVICE_H_ |
| |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/common/profiling/profiling_service.mojom.h" |
| #include "chrome/profiling/memlog_connection_manager.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "services/resource_coordinator/public/interfaces/memory_instrumentation/memory_instrumentation.mojom.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "services/service_manager/public/cpp/service_context.h" |
| #include "services/service_manager/public/cpp/service_context_ref.h" |
| |
| namespace profiling { |
| |
| class MemlogImpl; |
| |
| // Service implementation for Profiling. This will be called in the profiling |
| // process (which is a sandboxed utility process created on demand by the |
| // ServiceManager) to set manage the global state as well as the bound |
| // interface. |
| // |
| // This class lives in the I/O thread of the Utility process. |
| class ProfilingService : public service_manager::Service, |
| public mojom::ProfilingService { |
| public: |
| ProfilingService(); |
| ~ProfilingService() override; |
| |
| // Factory method for creating the service. Used by the ServiceManager piping |
| // to instantiate this thing. |
| static std::unique_ptr<service_manager::Service> CreateService(); |
| |
| // Lifescycle events that occur after the service has started to spinup. |
| void OnStart() override; |
| void OnBindInterface(const service_manager::BindSourceInfo& source_info, |
| const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe) override; |
| |
| // ProfilingService implementation. |
| void AddProfilingClient(base::ProcessId pid, |
| mojom::ProfilingClientPtr client, |
| mojo::ScopedHandle memlog_pipe_sender, |
| mojo::ScopedHandle memlog_pipe_receiver, |
| mojom::ProcessType process_type, |
| profiling::mojom::StackMode stack_mode) override; |
| void DumpProcessesForTracing( |
| bool keep_small_allocations, |
| bool strip_path_from_mapped_files, |
| DumpProcessesForTracingCallback callback) override; |
| void GetProfiledPids(GetProfiledPidsCallback callback) override; |
| |
| private: |
| void MaybeRequestQuitDelayed(); |
| void MaybeRequestQuit(); |
| |
| // Uses |binding_set_| to resolve |request| allowing for on instance of |
| // MemlogImpl to serve all interface bindings. |
| void OnProfilingServiceRequest( |
| service_manager::ServiceContextRefFactory* ref_factory, |
| mojom::ProfilingServiceRequest request); |
| |
| void OnGetVmRegionsCompleteForDumpProcessesForTracing( |
| bool keep_small_allocations, |
| bool strip_path_from_mapped_files, |
| mojom::ProfilingService::DumpProcessesForTracingCallback callback, |
| bool success, |
| memory_instrumentation::mojom::GlobalMemoryDumpPtr dump); |
| |
| // State needed to manage service lifecycle and lifecycle of bound clients. |
| std::unique_ptr<service_manager::ServiceContextRefFactory> ref_factory_; |
| service_manager::BinderRegistry registry_; |
| mojo::BindingSet<mojom::ProfilingService> binding_set_; |
| |
| memory_instrumentation::mojom::HeapProfilerHelperPtr helper_; |
| MemlogConnectionManager connection_manager_; |
| |
| // Must be last. |
| base::WeakPtrFactory<ProfilingService> weak_factory_; |
| }; |
| |
| } // namespace profiling |
| |
| #endif // CHROME_PROFILING_PROFILING_SERVICE_H_ |