| //===-- IntelPTPerThreadProcessTrace.h ------------------------ -*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_IntelPTPerThreadProcessTrace_H_ |
| #define liblldb_IntelPTPerThreadProcessTrace_H_ |
| |
| #include "IntelPTProcessTrace.h" |
| #include "IntelPTSingleBufferTrace.h" |
| #include "IntelPTThreadTraceCollection.h" |
| #include <optional> |
| |
| namespace lldb_private { |
| namespace process_linux { |
| |
| /// Manages a "process trace" instance by tracing each thread individually. |
| class IntelPTPerThreadProcessTrace : public IntelPTProcessTrace { |
| public: |
| /// Start tracing the current process by tracing each of its tids |
| /// individually. |
| /// |
| /// \param[in] request |
| /// Intel PT configuration parameters. |
| /// |
| /// \param[in] current_tids |
| /// List of tids currently alive. In the future, whenever a new thread is |
| /// spawned, they should be traced by calling the \a TraceStart(tid) method. |
| /// |
| /// \return |
| /// An \a IntelPTMultiCoreTrace instance if tracing was successful, or |
| /// an \a llvm::Error otherwise. |
| static llvm::Expected<std::unique_ptr<IntelPTPerThreadProcessTrace>> |
| Start(const TraceIntelPTStartRequest &request, |
| llvm::ArrayRef<lldb::tid_t> current_tids); |
| |
| bool TracesThread(lldb::tid_t tid) const override; |
| |
| llvm::Error TraceStart(lldb::tid_t tid) override; |
| |
| llvm::Error TraceStop(lldb::tid_t tid) override; |
| |
| TraceIntelPTGetStateResponse GetState() override; |
| |
| llvm::Expected<std::optional<std::vector<uint8_t>>> |
| TryGetBinaryData(const TraceGetBinaryDataRequest &request) override; |
| |
| private: |
| IntelPTPerThreadProcessTrace(const TraceIntelPTStartRequest &request) |
| : m_tracing_params(request) {} |
| |
| IntelPTThreadTraceCollection m_thread_traces; |
| /// Params used to trace threads when the user started "process tracing". |
| TraceIntelPTStartRequest m_tracing_params; |
| }; |
| |
| } // namespace process_linux |
| } // namespace lldb_private |
| |
| #endif // liblldb_IntelPTPerThreadProcessTrace_H_ |