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1//===-- IntelPTPerThreadProcessTrace.h ------------------------ -*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef liblldb_IntelPTPerThreadProcessTrace_H_10#define liblldb_IntelPTPerThreadProcessTrace_H_11 12#include "IntelPTProcessTrace.h"13#include "IntelPTSingleBufferTrace.h"14#include "IntelPTThreadTraceCollection.h"15#include <optional>16 17namespace lldb_private {18namespace process_linux {19 20/// Manages a "process trace" instance by tracing each thread individually.21class IntelPTPerThreadProcessTrace : public IntelPTProcessTrace {22public:23 /// Start tracing the current process by tracing each of its tids24 /// individually.25 ///26 /// \param[in] request27 /// Intel PT configuration parameters.28 ///29 /// \param[in] current_tids30 /// List of tids currently alive. In the future, whenever a new thread is31 /// spawned, they should be traced by calling the \a TraceStart(tid) method.32 ///33 /// \return34 /// An \a IntelPTMultiCoreTrace instance if tracing was successful, or35 /// an \a llvm::Error otherwise.36 static llvm::Expected<std::unique_ptr<IntelPTPerThreadProcessTrace>>37 Start(const TraceIntelPTStartRequest &request,38 llvm::ArrayRef<lldb::tid_t> current_tids);39 40 bool TracesThread(lldb::tid_t tid) const override;41 42 llvm::Error TraceStart(lldb::tid_t tid) override;43 44 llvm::Error TraceStop(lldb::tid_t tid) override;45 46 TraceIntelPTGetStateResponse GetState() override;47 48 llvm::Expected<std::optional<std::vector<uint8_t>>>49 TryGetBinaryData(const TraceGetBinaryDataRequest &request) override;50 51private:52 IntelPTPerThreadProcessTrace(const TraceIntelPTStartRequest &request)53 : m_tracing_params(request) {}54 55 IntelPTThreadTraceCollection m_thread_traces;56 /// Params used to trace threads when the user started "process tracing".57 TraceIntelPTStartRequest m_tracing_params;58};59 60} // namespace process_linux61} // namespace lldb_private62 63#endif // liblldb_IntelPTPerThreadProcessTrace_H_64