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//===-- 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_
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