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Diffstat (limited to 'src/profiling/DirectoryCaptureCommandHandler.cpp')
| -rw-r--r-- | src/profiling/DirectoryCaptureCommandHandler.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/src/profiling/DirectoryCaptureCommandHandler.cpp b/src/profiling/DirectoryCaptureCommandHandler.cpp new file mode 100644 index 0000000000..22d1e6d0dd --- /dev/null +++ b/src/profiling/DirectoryCaptureCommandHandler.cpp @@ -0,0 +1,336 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "DirectoryCaptureCommandHandler.hpp" +#include "SendCounterPacket.hpp" + +#include <iostream> + +namespace armnn +{ + +namespace profiling +{ + +// Utils +uint32_t uint16_t_size = sizeof(uint16_t); +uint32_t uint32_t_size = sizeof(uint32_t); + +void DirectoryCaptureCommandHandler::ParseData(const armnn::profiling::Packet& packet) +{ + uint16_t categoryRecordCount; + uint16_t counterSetRecordCount; + uint16_t deviceRecordCount; + + uint32_t offset = 0; + + if (packet.GetLength() < 8) + { + std::cout << "Counter directory packet received." << std::endl; + return; + } + + const unsigned char* data = packet.GetData(); + // Body header word 0: + // 0:15 [16] reserved: all zeros + offset += uint16_t_size; + // 16:31 [16] device_records_count: number of entries in the device_records_pointer_table + deviceRecordCount = profiling::ReadUint16(data, offset); + offset += uint16_t_size; + + // Body header word 1: + // 0:31 [32] device_records_pointer_table_offset: offset to the device_records_pointer_table + // The offset is always zero here, as the device record pointer table field is always the first item in the pool + offset += uint32_t_size; + + // Body header word 2: + // 0:15 [16] reserved: all zeros + offset += uint16_t_size; + // 16:31 [16] counter_set_count: number of entries in the counter_set_pointer_table + counterSetRecordCount = profiling::ReadUint16(data, offset); + offset += uint16_t_size; + + // Body header word 3: + // 0:31 [32] counter_set_pointer_table_offset: offset to the counter_set_pointer_table + // counterPointerTableSetOffset = profiling::ReadUint32(data, offset); + offset += uint32_t_size; + + // Body header word 4: + // 0:15 [16] reserved: all zeros + offset += uint16_t_size; + // 16:31 [16] categories_count: number of entries in the categories_pointer_table + categoryRecordCount = profiling::ReadUint16(data, offset); + offset += uint16_t_size; + + // Body header word 5: + // 0:31 [32] categories_pointer_table_offset: offset to the categories_pointer_table + // categoriesPointerTableOffset = profiling::ReadUint32(data, offset); + offset += uint32_t_size; + + std::vector<uint32_t> deviceRecordOffsets(deviceRecordCount); + std::vector<uint32_t> counterSetOffsets(counterSetRecordCount); + std::vector<uint32_t> categoryOffsets(categoryRecordCount); + + for (uint32_t i = 0; i < deviceRecordCount; ++i) + { + deviceRecordOffsets[i] = profiling::ReadUint32(data, offset); + offset += uint32_t_size; + } + + for (uint32_t i = 0; i < counterSetRecordCount; ++i) + { + counterSetOffsets[i] = profiling::ReadUint32(data, offset); + offset += uint32_t_size; + } + + for (uint32_t i = 0; i < categoryRecordCount; ++i) + { + categoryOffsets[i] = profiling::ReadUint32(data, offset); + offset += uint32_t_size; + } + + for (uint32_t deviceIndex = 0; deviceIndex < deviceRecordCount; ++deviceIndex) + { + uint32_t deviceRecordOffset = offset + deviceRecordOffsets[deviceIndex]; + // Device record word 0: + // 0:15 [16] cores: the number of individual streams of counters for one or more cores of some device + uint16_t deviceCores = profiling::ReadUint16(data, deviceRecordOffset); + // 16:31 [16] deviceUid: the unique identifier for the device + deviceRecordOffset += uint16_t_size; + uint16_t deviceUid = profiling::ReadUint16(data, deviceRecordOffset); + deviceRecordOffset += uint16_t_size; + + // Device record word 1: + // Offset from the beginning of the device record pool to the name field. + uint32_t nameOffset = profiling::ReadUint32(data, deviceRecordOffset); + + deviceRecordOffset += uint32_t_size; + deviceRecordOffset += uint32_t_size; + deviceRecordOffset += nameOffset; + + const std::string& deviceName = GetStringNameFromBuffer(data, deviceRecordOffset); + const Device* registeredDevice = m_CounterDirectory.RegisterDevice(deviceName, deviceCores); + m_UidTranslation[registeredDevice->m_Uid] = deviceUid; + } + + for (uint32_t counterSetIndex = 0; counterSetIndex < counterSetRecordCount; ++counterSetIndex) + { + uint32_t counterSetOffset = offset + counterSetOffsets[counterSetIndex]; + + // Counter set record word 0: + // 0:15 [16] count: the number of counters which can be active in this set at any one time + uint16_t counterSetCount = profiling::ReadUint16(data, counterSetOffset); + counterSetOffset += uint16_t_size; + + // 16:31 [16] deviceUid: the unique identifier for the counter_set + uint16_t counterSetUid = profiling::ReadUint16(data, counterSetOffset); + counterSetOffset += uint16_t_size; + + // Counter set record word 1: + // 0:31 [32] name_offset: offset from the beginning of the counter set pool to the name field + // The offset is always zero here, as the name field is always the first (and only) item in the pool + counterSetOffset += uint32_t_size; + counterSetOffset += uint32_t_size; + + auto counterSet = + m_CounterDirectory.RegisterCounterSet(GetStringNameFromBuffer(data, counterSetOffset), counterSetCount); + m_UidTranslation[counterSet->m_Uid] = counterSetUid; + } + ReadCategoryRecords(data, offset, categoryOffsets); +} + +void DirectoryCaptureCommandHandler::ReadCategoryRecords(const unsigned char* const data, + uint32_t offset, + std::vector<uint32_t> categoryOffsets) +{ + uint32_t categoryRecordCount = static_cast<uint32_t>(categoryOffsets.size()); + + for (uint32_t categoryIndex = 0; categoryIndex < categoryRecordCount; ++categoryIndex) + { + uint32_t categoryRecordOffset = offset + categoryOffsets[categoryIndex]; + + // Category record word 0: + // 0:15 The deviceUid of a counter_set the category is associated with. + // Set to zero if the category is NOT associated with a counter set. + uint16_t counterSetUid = profiling::ReadUint16(data, categoryRecordOffset); + categoryRecordOffset += uint16_t_size; + + // 16:31 The deviceUid of a device element which identifies some hardware device that the category belongs to. + // Set to zero if the category is NOT associated with a device + uint16_t deviceUid = profiling::ReadUint16(data, categoryRecordOffset); + + categoryRecordOffset += uint16_t_size; + + // Category record word 1: + // 0:15 Reserved, value 0x0000. + categoryRecordOffset += uint16_t_size; + // 16:31 Number of events belonging to this category. + uint32_t eventCount = profiling::ReadUint16(data, categoryRecordOffset); + categoryRecordOffset += uint16_t_size; + + // Category record word 2 + // 0:31 Offset from the beginning of the category data pool to the event_pointer_table + uint32_t eventPointerTableOffset = profiling::ReadUint32(data, categoryRecordOffset); + categoryRecordOffset += uint32_t_size; + + // Category record word 3 + // 0:31 Offset from the beginning of the category data pool to the name field. + uint32_t nameOffset = profiling::ReadUint32(data, categoryRecordOffset); + categoryRecordOffset += uint32_t_size; + + std::vector<uint32_t> eventRecordsOffsets(eventCount); + + eventPointerTableOffset += categoryRecordOffset; + + for (uint32_t eventIndex = 0; eventIndex < eventCount; ++eventIndex) + { + eventRecordsOffsets[eventIndex] = + profiling::ReadUint32(data, eventPointerTableOffset + uint32_t_size * eventIndex); + } + + const std::vector<CounterDirectoryEventRecord>& eventRecords = + ReadEventRecords(data, categoryRecordOffset, eventRecordsOffsets); + categoryRecordOffset += uint32_t_size; + + const Category* category = m_CounterDirectory.RegisterCategory( + GetStringNameFromBuffer(data, categoryRecordOffset + nameOffset), deviceUid, counterSetUid); + for (auto& counter : eventRecords) + { + const Counter* registeredCounter = m_CounterDirectory.RegisterCounter( + category->m_Name, counter.m_CounterClass, counter.m_CounterInterpolation, counter.m_CounterMultiplier, + counter.m_CounterName, counter.m_CounterDescription, counter.m_CounterUnits); + m_UidTranslation[registeredCounter->m_Uid] = counter.m_CounterUid; + } + } +} + +std::vector<CounterDirectoryEventRecord> DirectoryCaptureCommandHandler::ReadEventRecords( + const unsigned char* data, uint32_t offset, std::vector<uint32_t> eventRecordsOffsets) +{ + uint32_t eventCount = static_cast<uint32_t>(eventRecordsOffsets.size()); + + std::vector<CounterDirectoryEventRecord> eventRecords(eventCount); + for (unsigned long i = 0; i < eventCount; ++i) + { + uint32_t eventRecordOffset = eventRecordsOffsets[i] + offset; + + // Event record word 0: + // 0:15 [16] count_uid: unique ID for the counter. Must be unique across all counters in all categories + eventRecords[i].m_CounterUid = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + // 16:31 [16] max_counter_uid: if the device this event is associated with has more than one core and there + // is one of these counters per core this value will be set to + // (counter_uid + cores (from device_record)) - 1. + // If there is only a single core then this value will be the same as + // the counter_uid value + eventRecords[i].m_MaxCounterUid = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + + // Event record word 1: + // 0:15 [16] counter_set: UID of the counter_set this event is associated with. Set to zero if the event + // is NOT associated with a counter_set + eventRecords[i].m_DeviceUid = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + + // 16:31 [16] device: UID of the device this event is associated with. Set to zero if the event is NOT + // associated with a device + eventRecords[i].m_CounterSetUid = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + + // Event record word 2: + // 0:15 [16] interpolation: type describing how to interpolate each data point in a stream of data points + eventRecords[i].m_CounterClass = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + + // 16:31 [16] class: type describing how to treat each data point in a stream of data points + eventRecords[i].m_CounterInterpolation = profiling::ReadUint16(data, eventRecordOffset); + eventRecordOffset += uint16_t_size; + + // Event record word 3-4: + // 0:63 [64] multiplier: internal data stream is represented as integer values, this allows scaling of + // those values as if they are fixed point numbers. Zero is not a valid value + uint32_t multiplier[2] = { 0u, 0u }; + + multiplier[0] = profiling::ReadUint32(data, eventRecordOffset); + eventRecordOffset += uint32_t_size; + multiplier[1] = profiling::ReadUint32(data, eventRecordOffset); + eventRecordOffset += uint32_t_size; + + std::memcpy(&eventRecords[i].m_CounterMultiplier, &multiplier, sizeof(multiplier)); + + // Event record word 5: + // 0:31 [32] name_eventRecordOffset: eventRecordOffset from the + // beginning of the event record pool to the name field + // The eventRecordOffset is always zero here, as the name field is always the first item in the pool + eventRecordOffset += uint32_t_size; + + // Event record word 6: + // 0:31 [32] description_eventRecordOffset: eventRecordOffset from the + // beginning of the event record pool to the description field + // The size of the name buffer in bytes + uint32_t descriptionOffset = profiling::ReadUint32(data, eventRecordOffset); + eventRecordOffset += uint32_t_size; + + // Event record word 7: + // 0:31 [32] units_eventRecordOffset: (optional) eventRecordOffset from the + // beginning of the event record pool to the units field. + // An eventRecordOffset value of zero indicates this field is not provided + uint32_t unitsOffset = profiling::ReadUint32(data, eventRecordOffset); + eventRecordOffset += uint32_t_size; + eventRecordOffset += uint32_t_size; + + eventRecords[i].m_CounterName = GetStringNameFromBuffer(data, eventRecordOffset); + + eventRecords[i].m_CounterDescription = GetStringNameFromBuffer(data, eventRecordOffset + descriptionOffset); + + eventRecords[i].m_CounterUnits = GetStringNameFromBuffer(data, eventRecordOffset + unitsOffset); + } + + return eventRecords; +} + +void DirectoryCaptureCommandHandler::operator()(const profiling::Packet& packet) +{ + if (!m_QuietOperation) // Are we supposed to print to stdout? + { + std::cout << "Counter directory packet received." << std::endl; + } + + // The ArmNN counter directory is static per ArmNN instance. Ensure we don't parse it a second time. + if (!ParsedCounterDirectory()) + { + ParseData(packet); + m_AlreadyParsed = true; + } + + if (!m_QuietOperation) + { + armnn::profiling::PrintCounterDirectory(m_CounterDirectory); + } +} + +const ICounterDirectory& DirectoryCaptureCommandHandler::GetCounterDirectory() const +{ + return m_CounterDirectory; +} + +std::string DirectoryCaptureCommandHandler::GetStringNameFromBuffer(const unsigned char* const data, uint32_t offset) +{ + std::string deviceName; + u_char nextChar = profiling::ReadUint8(data, offset); + + while (isprint(nextChar)) + { + deviceName += static_cast<char>(nextChar); + offset++; + nextChar = profiling::ReadUint8(data, offset); + } + + return deviceName; +} + +} // namespace profiling + +} // namespace armnn
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