LLDB: lldb_private::TraceHTR Class Reference

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Top-level HTR class See lldb/docs/htr.rst for comprehensive HTR documentation. More...

#include <TraceHTR.h>

Public Member Functions
	TraceHTR (Thread &thread, TraceCursor &cursor)
	Constructor for a trace's HTR.
void	ExecutePasses ()
	Executes passes on the HTR layers until no further summarization/compression is achieved.
llvm::Error	Export (std::string outfile)
	Export HTR layers to the specified format and outfile.
llvm::ArrayRef< HTRBlockLayerUP >	GetBlockLayers () const
	Get the block layers of this HTR.
HTRInstructionLayer const &	GetInstructionLayer () const
	Get the instruction layer of this HTR.
void	AddNewBlockLayer (HTRBlockLayerUP &&block_layer)
	Add a new block layer to this HTR.

Private Attributes
HTRInstructionLayerUP	m_instruction_layer_up
std::vector< HTRBlockLayerUP >	m_block_layer_ups

Detailed Description

Top-level HTR class See lldb/docs/htr.rst for comprehensive HTR documentation.

Definition at line 305 of file TraceHTR.h.

Constructor & Destructor Documentation

◆ TraceHTR()

TraceHTR::TraceHTR	(	Thread &	thread,
		TraceCursor &	cursor )

Constructor for a trace's HTR.

Parameters

[in]	thread	The thread the trace belongs to.
[in]	cursor	The trace cursor that gives access to the trace's contents.

Definition at line 129 of file TraceHTR.cpp.

References lldb::eTraceCursorSeekTypeBeginning, m_instruction_layer_up, lldb_private::TraceCursor::Seek(), and lldb_private::TraceCursor::SetForwards().

Member Function Documentation

◆ AddNewBlockLayer()

void TraceHTR::AddNewBlockLayer ( HTRBlockLayerUP && block_layer )

Add a new block layer to this HTR.

Parameters

[in] The new block layer to be added.

Definition at line 64 of file TraceHTR.cpp.

References m_block_layer_ups.

Referenced by ExecutePasses().

◆ ExecutePasses()

void TraceHTR::ExecutePasses ( )

Executes passes on the HTR layers until no further summarization/compression is achieved.

Definition at line 211 of file TraceHTR.cpp.

References AddNewBlockLayer(), lldb_private::BasicSuperBlockMerge(), lldb_private::IHTRLayer::GetNumUnits(), and m_instruction_layer_up.

Referenced by lldb_private::ctf::CommandObjectThreadTraceExportCTF::DoExecute().

◆ Export()

llvm::Error TraceHTR::Export ( std::string outfile )

Export HTR layers to the specified format and outfile.

Parameters

[in] outfile The file that the exported HTR data will be written to.

Returns: Success if the export is successful, Error otherwise.

Definition at line 233 of file TraceHTR.cpp.

References lldb_private::toJSON().

Referenced by lldb_private::ctf::CommandObjectThreadTraceExportCTF::DoExecute().

◆ GetBlockLayers()

llvm::ArrayRef< HTRBlockLayerUP > TraceHTR::GetBlockLayers ( ) const

Get the block layers of this HTR.

Returns: The block layers of this HTR.

Definition at line 56 of file TraceHTR.cpp.

References m_block_layer_ups.

Referenced by lldb_private::toJSON().

◆ GetInstructionLayer()

HTRInstructionLayer const & TraceHTR::GetInstructionLayer ( ) const

Get the instruction layer of this HTR.

Returns: The instruction layer of this HTR.

Definition at line 60 of file TraceHTR.cpp.

References m_instruction_layer_up.

Referenced by lldb_private::toJSON().

Member Data Documentation

◆ m_block_layer_ups

std::vector<HTRBlockLayerUP> lldb_private::TraceHTR::m_block_layer_ups

private

Definition at line 352 of file TraceHTR.h.

Referenced by AddNewBlockLayer(), and GetBlockLayers().

◆ m_instruction_layer_up

HTRInstructionLayerUP lldb_private::TraceHTR::m_instruction_layer_up

private

Definition at line 350 of file TraceHTR.h.

Referenced by ExecutePasses(), GetInstructionLayer(), and TraceHTR().

The documentation for this class was generated from the following files: