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//
// Copyright © 2019 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "TimelineCaptureCommandHandler.hpp"
#include <string>
#include <armnn/Logging.hpp>
namespace armnn
{
namespace timelinedecoder
{
//Array of member functions, the array index matches the decl_id
const TimelineCaptureCommandHandler::ReadFunction TimelineCaptureCommandHandler::m_ReadFunctions[]
{
&TimelineCaptureCommandHandler::ReadLabel, // Label decl_id = 0
&TimelineCaptureCommandHandler::ReadEntity, // Entity decl_id = 1
&TimelineCaptureCommandHandler::ReadEventClass, // EventClass decl_id = 2
&TimelineCaptureCommandHandler::ReadRelationship, // Relationship decl_id = 3
&TimelineCaptureCommandHandler::ReadEvent // Event decl_id = 4
};
void TimelineCaptureCommandHandler::SetThreadIdSize(uint32_t size)
{
m_ThreadIdSize = size;
}
void TimelineCaptureCommandHandler::operator()(const profiling::Packet& packet)
{
ParseData(packet);
}
void TimelineCaptureCommandHandler::ParseData(const armnn::profiling::Packet& packet)
{
uint32_t offset = 0;
m_PacketLength = packet.GetLength();
// We are expecting TimelineDirectoryCaptureCommandHandler to set the thread id size
// if it not set in the constructor
if (m_ThreadIdSize == 0)
{
ARMNN_LOG(error) << "TimelineCaptureCommandHandler: m_ThreadIdSize has not been set";
return;
}
if (packet.GetLength() < 8)
{
return;
}
const unsigned char* data = reinterpret_cast<const unsigned char*>(packet.GetData());
uint32_t declId = 0;
while ( offset < m_PacketLength )
{
declId = profiling::ReadUint32(data, offset);
offset += uint32_t_size;
ITimelineDecoder::TimelineStatus status = (this->*m_ReadFunctions[declId])(data, offset);
if (status == ITimelineDecoder::TimelineStatus::TimelineStatus_Fail)
{
ARMNN_LOG(error) << "Decode of timeline message type [" << declId <<
"] at offset [" << offset << "] failed";
break;
}
}
}
ITimelineDecoder::TimelineStatus TimelineCaptureCommandHandler::ReadLabel(const unsigned char* data, uint32_t& offset)
{
ITimelineDecoder::Label label;
label.m_Guid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
uint32_t nameLength = profiling::ReadUint32(data, offset);
offset += uint32_t_size;
uint32_t i = 0;
// nameLength - 1 to account for null operator \0
for ( i = 0; i < nameLength - 1; ++i )
{
label.m_Name += static_cast<char>(profiling::ReadUint8(data, offset + i));
}
// Shift offset past nameLength
uint32_t uint32WordAmount = (nameLength / uint32_t_size) + (nameLength % uint32_t_size != 0 ? 1 : 0);
offset += uint32WordAmount * uint32_t_size;
return m_TimelineDecoder.CreateLabel(label);
}
ITimelineDecoder::TimelineStatus TimelineCaptureCommandHandler::ReadEntity(
const unsigned char* data, uint32_t& offset)
{
ITimelineDecoder::Entity entity;
entity.m_Guid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
return m_TimelineDecoder.CreateEntity(entity);
}
ITimelineDecoder::TimelineStatus TimelineCaptureCommandHandler::ReadEventClass(
const unsigned char* data, uint32_t& offset)
{
ITimelineDecoder::EventClass eventClass;
eventClass.m_Guid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
eventClass.m_NameGuid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
return m_TimelineDecoder.CreateEventClass(eventClass);
}
ITimelineDecoder::TimelineStatus TimelineCaptureCommandHandler::ReadRelationship(
const unsigned char* data, uint32_t& offset)
{
ITimelineDecoder::Relationship relationship;
relationship.m_RelationshipType =
static_cast<ITimelineDecoder::RelationshipType>(profiling::ReadUint32(data, offset));
offset += uint32_t_size;
relationship.m_Guid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
relationship.m_HeadGuid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
relationship.m_TailGuid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
relationship.m_AttributeGuid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
return m_TimelineDecoder.CreateRelationship(relationship);
}
ITimelineDecoder::TimelineStatus TimelineCaptureCommandHandler::ReadEvent(
const unsigned char* data, uint32_t& offset)
{
ITimelineDecoder::Event event;
event.m_TimeStamp = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
if ( m_ThreadIdSize == 4 )
{
event.m_ThreadId = profiling::ReadUint32(data, offset);
}
else if ( m_ThreadIdSize == 8 )
{
event.m_ThreadId = profiling::ReadUint64(data, offset);
}
offset += m_ThreadIdSize;
event.m_Guid = profiling::ReadUint64(data, offset);
offset += uint64_t_size;
return m_TimelineDecoder.CreateEvent(event);
}
} //namespace gatordmock
} //namespace armnn
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