77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
//===-- IntelPTThreadTraceCollection.h ------------------------ -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_IntelPTPerThreadTraceCollection_H_
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#define liblldb_IntelPTPerThreadTraceCollection_H_
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#include "IntelPTSingleBufferTrace.h"
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namespace lldb_private {
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namespace process_linux {
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/// Manages a list of thread traces.
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class IntelPTThreadTraceCollection {
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public:
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IntelPTThreadTraceCollection() {}
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/// Dispose of all traces
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void Clear();
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/// \return
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/// \b true if and only if this instance of tracing the provided \p tid.
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bool TracesThread(lldb::tid_t tid) const;
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/// \return
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/// The total sum of the intel pt trace buffer sizes used by this
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/// collection.
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size_t GetTotalBufferSize() const;
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/// Execute the provided callback on each thread that is being traced.
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///
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/// \param[in] callback.tid
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/// The id of the thread that is being traced.
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///
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/// \param[in] callback.core_trace
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/// The single-buffer trace instance for the given core.
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void ForEachThread(std::function<void(lldb::tid_t tid,
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IntelPTSingleBufferTrace &thread_trace)>
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callback);
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llvm::Expected<IntelPTSingleBufferTrace &> GetTracedThread(lldb::tid_t tid);
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/// Start tracing the thread given by its \p tid.
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///
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/// \return
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/// An error if the operation failed.
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llvm::Error TraceStart(lldb::tid_t tid,
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const TraceIntelPTStartRequest &request);
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/// Stop tracing the thread given by its \p tid.
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///
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/// \return
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/// An error if the given thread is not being traced or tracing couldn't be
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/// stopped.
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llvm::Error TraceStop(lldb::tid_t tid);
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size_t GetTracedThreadsCount() const;
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/// \copydoc IntelPTProcessTrace::TryGetBinaryData()
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llvm::Expected<llvm::Optional<std::vector<uint8_t>>>
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TryGetBinaryData(const TraceGetBinaryDataRequest &request);
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private:
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llvm::DenseMap<lldb::tid_t, IntelPTSingleBufferTrace> m_thread_traces;
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/// Total actual thread buffer size in bytes
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size_t m_total_buffer_size = 0;
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};
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} // namespace process_linux
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} // namespace lldb_private
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#endif // liblldb_IntelPTPerThreadTraceCollection_H_
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