2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
6 #include "ProfilingUtils.hpp"
8 #include "common/include/ProfilingException.hpp"
10 #include <armnn/Version.hpp>
12 #include <WallClockTimer.hpp>
14 #include <armnn/utility/Assert.hpp>
29 void ThrowIfCantGenerateNextUid(uint16_t uid, uint16_t cores = 0)
31 // Check that it is possible to generate the next UID without causing an overflow
36 // Number of cores not specified or set to 1 (a value of zero indicates the device is not capable of
37 // running multiple parallel workloads and will not provide multiple streams of data for each event)
38 if (uid == std::numeric_limits<uint16_t>::max())
40 throw RuntimeException("Generating the next UID for profiling would result in an overflow");
44 // Multiple cores available, as max_counter_uid has to be set to: counter_uid + cores - 1, the maximum
45 // allowed value for a counter UID is consequently: uint16_t_max - cores + 1
46 if (uid >= std::numeric_limits<uint16_t>::max() - cores + 1)
48 throw RuntimeException("Generating the next UID for profiling would result in an overflow");
54 } // Anonymous namespace
56 uint16_t GetNextUid(bool peekOnly)
58 // The UID used for profiling objects and events. The first valid UID is 1, as 0 is a reserved value
59 static uint16_t uid = 1;
61 // Check that it is possible to generate the next UID without causing an overflow (throws in case of error)
62 ThrowIfCantGenerateNextUid(uid);
76 std::vector<uint16_t> GetNextCounterUids(uint16_t firstUid, uint16_t cores)
78 // Check that it is possible to generate the next counter UID without causing an overflow (throws in case of error)
79 ThrowIfCantGenerateNextUid(firstUid, cores);
81 // Get the next counter UIDs
82 size_t counterUidsSize = cores == 0 ? 1 : cores;
83 std::vector<uint16_t> counterUids(counterUidsSize, 0);
84 for (size_t i = 0; i < counterUidsSize; i++)
86 counterUids[i] = firstUid++;
91 void WriteBytes(const IPacketBufferPtr& packetBuffer, unsigned int offset, const void* value, unsigned int valueSize)
93 ARMNN_ASSERT(packetBuffer);
95 WriteBytes(packetBuffer->GetWritableData(), offset, value, valueSize);
98 uint32_t ConstructHeader(uint32_t packetFamily,
101 return (( packetFamily & 0x0000003F ) << 26 )|
102 (( packetId & 0x000003FF ) << 16 );
105 void WriteUint64(const std::unique_ptr<IPacketBuffer>& packetBuffer, unsigned int offset, uint64_t value)
107 ARMNN_ASSERT(packetBuffer);
109 WriteUint64(packetBuffer->GetWritableData(), offset, value);
112 void WriteUint32(const IPacketBufferPtr& packetBuffer, unsigned int offset, uint32_t value)
114 ARMNN_ASSERT(packetBuffer);
116 WriteUint32(packetBuffer->GetWritableData(), offset, value);
119 void WriteUint16(const IPacketBufferPtr& packetBuffer, unsigned int offset, uint16_t value)
121 ARMNN_ASSERT(packetBuffer);
123 WriteUint16(packetBuffer->GetWritableData(), offset, value);
126 void WriteUint8(const IPacketBufferPtr& packetBuffer, unsigned int offset, uint8_t value)
128 ARMNN_ASSERT(packetBuffer);
130 WriteUint8(packetBuffer->GetWritableData(), offset, value);
133 void WriteBytes(unsigned char* buffer, unsigned int offset, const void* value, unsigned int valueSize)
135 ARMNN_ASSERT(buffer);
138 for (unsigned int i = 0; i < valueSize; i++, offset++)
140 buffer[offset] = *(reinterpret_cast<const unsigned char*>(value) + i);
144 void WriteUint64(unsigned char* buffer, unsigned int offset, uint64_t value)
146 ARMNN_ASSERT(buffer);
148 buffer[offset] = static_cast<unsigned char>(value & 0xFF);
149 buffer[offset + 1] = static_cast<unsigned char>((value >> 8) & 0xFF);
150 buffer[offset + 2] = static_cast<unsigned char>((value >> 16) & 0xFF);
151 buffer[offset + 3] = static_cast<unsigned char>((value >> 24) & 0xFF);
152 buffer[offset + 4] = static_cast<unsigned char>((value >> 32) & 0xFF);
153 buffer[offset + 5] = static_cast<unsigned char>((value >> 40) & 0xFF);
154 buffer[offset + 6] = static_cast<unsigned char>((value >> 48) & 0xFF);
155 buffer[offset + 7] = static_cast<unsigned char>((value >> 56) & 0xFF);
158 void WriteUint32(unsigned char* buffer, unsigned int offset, uint32_t value)
160 ARMNN_ASSERT(buffer);
162 buffer[offset] = static_cast<unsigned char>(value & 0xFF);
163 buffer[offset + 1] = static_cast<unsigned char>((value >> 8) & 0xFF);
164 buffer[offset + 2] = static_cast<unsigned char>((value >> 16) & 0xFF);
165 buffer[offset + 3] = static_cast<unsigned char>((value >> 24) & 0xFF);
168 void WriteUint16(unsigned char* buffer, unsigned int offset, uint16_t value)
170 ARMNN_ASSERT(buffer);
172 buffer[offset] = static_cast<unsigned char>(value & 0xFF);
173 buffer[offset + 1] = static_cast<unsigned char>((value >> 8) & 0xFF);
176 void WriteUint8(unsigned char* buffer, unsigned int offset, uint8_t value)
178 ARMNN_ASSERT(buffer);
180 buffer[offset] = static_cast<unsigned char>(value);
183 void ReadBytes(const IPacketBufferPtr& packetBuffer, unsigned int offset, unsigned int valueSize, uint8_t outValue[])
185 ARMNN_ASSERT(packetBuffer);
187 ReadBytes(packetBuffer->GetReadableData(), offset, valueSize, outValue);
190 uint64_t ReadUint64(const IPacketBufferPtr& packetBuffer, unsigned int offset)
192 ARMNN_ASSERT(packetBuffer);
194 return ReadUint64(packetBuffer->GetReadableData(), offset);
197 uint32_t ReadUint32(const IPacketBufferPtr& packetBuffer, unsigned int offset)
199 ARMNN_ASSERT(packetBuffer);
201 return ReadUint32(packetBuffer->GetReadableData(), offset);
204 uint16_t ReadUint16(const IPacketBufferPtr& packetBuffer, unsigned int offset)
206 ARMNN_ASSERT(packetBuffer);
208 return ReadUint16(packetBuffer->GetReadableData(), offset);
211 uint8_t ReadUint8(const IPacketBufferPtr& packetBuffer, unsigned int offset)
213 ARMNN_ASSERT(packetBuffer);
215 return ReadUint8(packetBuffer->GetReadableData(), offset);
218 void ReadBytes(const unsigned char* buffer, unsigned int offset, unsigned int valueSize, uint8_t outValue[])
220 ARMNN_ASSERT(buffer);
221 ARMNN_ASSERT(outValue);
223 for (unsigned int i = 0; i < valueSize; i++, offset++)
225 outValue[i] = static_cast<uint8_t>(buffer[offset]);
229 uint64_t ReadUint64(const unsigned char* buffer, unsigned int offset)
231 ARMNN_ASSERT(buffer);
234 value = static_cast<uint64_t>(buffer[offset]);
235 value |= static_cast<uint64_t>(buffer[offset + 1]) << 8;
236 value |= static_cast<uint64_t>(buffer[offset + 2]) << 16;
237 value |= static_cast<uint64_t>(buffer[offset + 3]) << 24;
238 value |= static_cast<uint64_t>(buffer[offset + 4]) << 32;
239 value |= static_cast<uint64_t>(buffer[offset + 5]) << 40;
240 value |= static_cast<uint64_t>(buffer[offset + 6]) << 48;
241 value |= static_cast<uint64_t>(buffer[offset + 7]) << 56;
246 uint32_t ReadUint32(const unsigned char* buffer, unsigned int offset)
248 ARMNN_ASSERT(buffer);
251 value = static_cast<uint32_t>(buffer[offset]);
252 value |= static_cast<uint32_t>(buffer[offset + 1]) << 8;
253 value |= static_cast<uint32_t>(buffer[offset + 2]) << 16;
254 value |= static_cast<uint32_t>(buffer[offset + 3]) << 24;
258 uint16_t ReadUint16(const unsigned char* buffer, unsigned int offset)
260 ARMNN_ASSERT(buffer);
263 value = static_cast<uint32_t>(buffer[offset]);
264 value |= static_cast<uint32_t>(buffer[offset + 1]) << 8;
265 return static_cast<uint16_t>(value);
268 uint8_t ReadUint8(const unsigned char* buffer, unsigned int offset)
270 ARMNN_ASSERT(buffer);
272 return buffer[offset];
275 std::string GetSoftwareInfo()
277 return std::string("ArmNN");
280 std::string GetHardwareVersion()
282 return std::string();
285 std::string GetSoftwareVersion()
287 std::string result = "Armnn " + std::to_string(ARMNN_MAJOR_VERSION) + "." + std::to_string(ARMNN_MINOR_VERSION);
291 std::string GetProcessName()
293 std::ifstream comm("/proc/self/comm");
299 // Calculate the actual length an SwString will be including the terminating null character
300 // padding to bring it to the next uint32_t boundary but minus the leading uint32_t encoding
301 // the size to allow the offset to be correctly updated when decoding a binary packet.
302 uint32_t CalculateSizeOfPaddedSwString(const std::string& str)
304 std::vector<uint32_t> swTraceString;
305 StringToSwTraceString<SwTraceCharPolicy>(str, swTraceString);
306 unsigned int uint32_t_size = sizeof(uint32_t);
307 uint32_t size = (boost::numeric_cast<uint32_t>(swTraceString.size()) - 1) * uint32_t_size;
311 // Read TimelineMessageDirectoryPacket from given IPacketBuffer and offset
312 SwTraceMessage ReadSwTraceMessage(const unsigned char* packetBuffer, unsigned int& offset)
314 ARMNN_ASSERT(packetBuffer);
316 unsigned int uint32_t_size = sizeof(uint32_t);
318 SwTraceMessage swTraceMessage;
321 uint32_t readDeclId = ReadUint32(packetBuffer, offset);
322 swTraceMessage.m_Id = readDeclId;
324 // SWTrace "namestring" format
325 // length of the string (first 4 bytes) + string + null terminator
327 // Check the decl_name
328 offset += uint32_t_size;
329 uint32_t swTraceDeclNameLength = ReadUint32(packetBuffer, offset);
331 offset += uint32_t_size;
332 std::vector<unsigned char> swTraceStringBuffer(swTraceDeclNameLength - 1);
333 std::memcpy(swTraceStringBuffer.data(),
334 packetBuffer + offset, swTraceStringBuffer.size());
336 swTraceMessage.m_Name.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end()); // name
339 offset += CalculateSizeOfPaddedSwString(swTraceMessage.m_Name);
340 uint32_t swTraceUINameLength = ReadUint32(packetBuffer, offset);
342 offset += uint32_t_size;
343 swTraceStringBuffer.resize(swTraceUINameLength - 1);
344 std::memcpy(swTraceStringBuffer.data(),
345 packetBuffer + offset, swTraceStringBuffer.size());
347 swTraceMessage.m_UiName.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end()); // ui_name
350 offset += CalculateSizeOfPaddedSwString(swTraceMessage.m_UiName);
351 uint32_t swTraceArgTypesLength = ReadUint32(packetBuffer, offset);
353 offset += uint32_t_size;
354 swTraceStringBuffer.resize(swTraceArgTypesLength - 1);
355 std::memcpy(swTraceStringBuffer.data(),
356 packetBuffer + offset, swTraceStringBuffer.size());
358 swTraceMessage.m_ArgTypes.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end()); // arg_types
360 std::string swTraceString(swTraceStringBuffer.begin(), swTraceStringBuffer.end());
363 offset += CalculateSizeOfPaddedSwString(swTraceString);
364 uint32_t swTraceArgNamesLength = ReadUint32(packetBuffer, offset);
366 offset += uint32_t_size;
367 swTraceStringBuffer.resize(swTraceArgNamesLength - 1);
368 std::memcpy(swTraceStringBuffer.data(),
369 packetBuffer + offset, swTraceStringBuffer.size());
371 swTraceString.assign(swTraceStringBuffer.begin(), swTraceStringBuffer.end());
372 std::stringstream stringStream(swTraceString);
374 while (std::getline(stringStream, argName, ','))
376 swTraceMessage.m_ArgNames.push_back(argName);
379 offset += CalculateSizeOfPaddedSwString(swTraceString);
381 return swTraceMessage;
384 /// Creates a timeline packet header
387 /// packetFamiliy Timeline Packet Family
388 /// packetClass Timeline Packet Class
389 /// packetType Timeline Packet Type
390 /// streamId Stream identifier
391 /// seqeunceNumbered When non-zero the 4 bytes following the header is a u32 sequence number
392 /// dataLength Unsigned 24-bit integer. Length of data, in bytes. Zero is permitted
395 /// Pair of uint32_t containing word0 and word1 of the header
396 std::pair<uint32_t, uint32_t> CreateTimelinePacketHeader(uint32_t packetFamily,
397 uint32_t packetClass,
400 uint32_t sequenceNumbered,
403 // Packet header word 0:
404 // 26:31 [6] packet_family: timeline Packet Family, value 0b000001
405 // 19:25 [7] packet_class: packet class
406 // 16:18 [3] packet_type: packet type
407 // 8:15 [8] reserved: all zeros
408 // 0:7 [8] stream_id: stream identifier
409 uint32_t packetHeaderWord0 = ((packetFamily & 0x0000003F) << 26) |
410 ((packetClass & 0x0000007F) << 19) |
411 ((packetType & 0x00000007) << 16) |
412 ((streamId & 0x00000007) << 0);
414 // Packet header word 1:
415 // 25:31 [7] reserved: all zeros
416 // 24 [1] sequence_numbered: when non-zero the 4 bytes following the header is a u32 sequence number
417 // 0:23 [24] data_length: unsigned 24-bit integer. Length of data, in bytes. Zero is permitted
418 uint32_t packetHeaderWord1 = ((sequenceNumbered & 0x00000001) << 24) |
419 ((dataLength & 0x00FFFFFF) << 0);
421 return std::make_pair(packetHeaderWord0, packetHeaderWord1);
424 /// Creates a packet header for the timeline messages:
427 /// * declareEventClass
428 /// * declareRelationship
432 /// dataLength The length of the message body in bytes
435 /// Pair of uint32_t containing word0 and word1 of the header
436 std::pair<uint32_t, uint32_t> CreateTimelineMessagePacketHeader(unsigned int dataLength)
438 return CreateTimelinePacketHeader(1, // Packet family
442 0, // Sequence number
443 dataLength); // Data length
446 TimelinePacketStatus WriteTimelineLabelBinaryPacket(uint64_t profilingGuid,
447 const std::string& label,
448 unsigned char* buffer,
449 unsigned int remainingBufferSize,
450 unsigned int& numberOfBytesWritten)
452 // Initialize the output value
453 numberOfBytesWritten = 0;
455 // Check that the given buffer is valid
456 if (buffer == nullptr || remainingBufferSize == 0)
458 return TimelinePacketStatus::BufferExhaustion;
462 unsigned int uint32_t_size = sizeof(uint32_t);
463 unsigned int uint64_t_size = sizeof(uint64_t);
465 // Convert the label into a SWTrace string
466 std::vector<uint32_t> swTraceLabel;
467 bool result = StringToSwTraceString<SwTraceCharPolicy>(label, swTraceLabel);
470 return TimelinePacketStatus::Error;
473 // Calculate the size of the SWTrace string label (in bytes)
474 unsigned int swTraceLabelSize = boost::numeric_cast<unsigned int>(swTraceLabel.size()) * uint32_t_size;
476 // Calculate the length of the data (in bytes)
477 unsigned int timelineLabelPacketDataLength = uint32_t_size + // decl_Id
478 uint64_t_size + // Profiling GUID
479 swTraceLabelSize; // Label
481 // Check whether the timeline binary packet fits in the given buffer
482 if (timelineLabelPacketDataLength > remainingBufferSize)
484 return TimelinePacketStatus::BufferExhaustion;
487 // Initialize the offset for writing in the buffer
488 unsigned int offset = 0;
490 // Write decl_Id to the buffer
491 WriteUint32(buffer, offset, 0u);
492 offset += uint32_t_size;
494 // Write the timeline binary packet payload to the buffer
495 WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
496 offset += uint64_t_size;
497 for (uint32_t swTraceLabelWord : swTraceLabel)
499 WriteUint32(buffer, offset, swTraceLabelWord); // Label
500 offset += uint32_t_size;
503 // Update the number of bytes written
504 numberOfBytesWritten = timelineLabelPacketDataLength;
506 return TimelinePacketStatus::Ok;
509 TimelinePacketStatus WriteTimelineEntityBinary(uint64_t profilingGuid,
510 unsigned char* buffer,
511 unsigned int remainingBufferSize,
512 unsigned int& numberOfBytesWritten)
514 // Initialize the output value
515 numberOfBytesWritten = 0;
517 // Check that the given buffer is valid
518 if (buffer == nullptr || remainingBufferSize == 0)
520 return TimelinePacketStatus::BufferExhaustion;
524 unsigned int uint32_t_size = sizeof(uint32_t);
525 unsigned int uint64_t_size = sizeof(uint64_t);
527 // Calculate the length of the data (in bytes)
528 unsigned int timelineEntityDataLength = uint32_t_size + uint64_t_size; // decl_id + Profiling GUID
530 // Check whether the timeline binary packet fits in the given buffer
531 if (timelineEntityDataLength > remainingBufferSize)
533 return TimelinePacketStatus::BufferExhaustion;
536 // Initialize the offset for writing in the buffer
537 unsigned int offset = 0;
539 // Write the decl_Id to the buffer
540 WriteUint32(buffer, offset, 1u);
541 offset += uint32_t_size;
543 // Write the timeline binary packet payload to the buffer
544 WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
546 // Update the number of bytes written
547 numberOfBytesWritten = timelineEntityDataLength;
549 return TimelinePacketStatus::Ok;
552 TimelinePacketStatus WriteTimelineRelationshipBinary(ProfilingRelationshipType relationshipType,
553 uint64_t relationshipGuid,
556 unsigned char* buffer,
557 unsigned int remainingBufferSize,
558 unsigned int& numberOfBytesWritten)
560 // Initialize the output value
561 numberOfBytesWritten = 0;
563 // Check that the given buffer is valid
564 if (buffer == nullptr || remainingBufferSize == 0)
566 return TimelinePacketStatus::BufferExhaustion;
570 unsigned int uint32_t_size = sizeof(uint32_t);
571 unsigned int uint64_t_size = sizeof(uint64_t);
573 // Calculate the length of the data (in bytes)
574 unsigned int timelineRelationshipDataLength = uint32_t_size * 2 + // decl_id + Relationship Type
575 uint64_t_size * 3; // Relationship GUID + Head GUID + tail GUID
577 // Check whether the timeline binary fits in the given buffer
578 if (timelineRelationshipDataLength > remainingBufferSize)
580 return TimelinePacketStatus::BufferExhaustion;
583 // Initialize the offset for writing in the buffer
584 unsigned int offset = 0;
586 uint32_t relationshipTypeUint = 0;
588 switch (relationshipType)
590 case ProfilingRelationshipType::RetentionLink:
591 relationshipTypeUint = 0;
593 case ProfilingRelationshipType::ExecutionLink:
594 relationshipTypeUint = 1;
596 case ProfilingRelationshipType::DataLink:
597 relationshipTypeUint = 2;
599 case ProfilingRelationshipType::LabelLink:
600 relationshipTypeUint = 3;
603 throw InvalidArgumentException("Unknown relationship type given.");
606 // Write the timeline binary payload to the buffer
607 // decl_id of the timeline message
609 WriteUint32(buffer, offset, declId); // decl_id
610 offset += uint32_t_size;
611 WriteUint32(buffer, offset, relationshipTypeUint); // Relationship Type
612 offset += uint32_t_size;
613 WriteUint64(buffer, offset, relationshipGuid); // GUID of this relationship
614 offset += uint64_t_size;
615 WriteUint64(buffer, offset, headGuid); // head of relationship GUID
616 offset += uint64_t_size;
617 WriteUint64(buffer, offset, tailGuid); // tail of relationship GUID
619 // Update the number of bytes written
620 numberOfBytesWritten = timelineRelationshipDataLength;
622 return TimelinePacketStatus::Ok;
625 TimelinePacketStatus WriteTimelineMessageDirectoryPackage(unsigned char* buffer,
626 unsigned int remainingBufferSize,
627 unsigned int& numberOfBytesWritten)
629 // Initialize the output value
630 numberOfBytesWritten = 0;
632 // Check that the given buffer is valid
633 if (buffer == nullptr || remainingBufferSize == 0)
635 return TimelinePacketStatus::BufferExhaustion;
639 unsigned int uint8_t_size = sizeof(uint8_t);
640 unsigned int uint32_t_size = sizeof(uint32_t);
641 unsigned int uint64_t_size = sizeof(uint64_t);
643 // The payload/data of the packet consists of swtrace event definitions encoded according
644 // to the swtrace directory specification. The messages being the five defined below:
646 // | decl_id | decl_name | ui_name | arg_types | arg_names |
647 // |-----------|---------------------|-----------------------|-------------|-------------------------------------|
648 // | 0 | declareLabel | declare label | ps | guid,value |
649 // | 1 | declareEntity | declare entity | p | guid |
650 // | 2 | declareEventClass | declare event class | p | guid |
651 // | 3 | declareRelationship | declare relationship | Ippp | relationshipType,relationshipGuid, |
652 // | | | | | headGuid,tailGuid |
653 // | 4 | declareEvent | declare event | @tp | timestamp,threadId,eventGuid |
654 std::vector<std::vector<std::string>> timelineDirectoryMessages
656 { "0", "declareLabel", "declare label", "ps", "guid,value" },
657 { "1", "declareEntity", "declare entity", "p", "guid" },
658 { "2", "declareEventClass", "declare event class", "p", "guid" },
659 { "3", "declareRelationship", "declare relationship", "Ippp",
660 "relationshipType,relationshipGuid,headGuid,tailGuid" },
661 { "4", "declareEvent", "declare event", "@tp", "timestamp,threadId,eventGuid" }
664 // Build the message declarations
665 std::vector<uint32_t> swTraceBuffer;
666 for (const auto& directoryComponent : timelineDirectoryMessages)
672 declId = boost::numeric_cast<uint32_t>(std::stoul(directoryComponent[0]));
674 catch (const std::exception&)
676 return TimelinePacketStatus::Error;
678 swTraceBuffer.push_back(declId);
681 result &= ConvertDirectoryComponent<SwTraceNameCharPolicy>(directoryComponent[1], swTraceBuffer); // decl_name
682 result &= ConvertDirectoryComponent<SwTraceCharPolicy> (directoryComponent[2], swTraceBuffer); // ui_name
683 result &= ConvertDirectoryComponent<SwTraceTypeCharPolicy>(directoryComponent[3], swTraceBuffer); // arg_types
684 result &= ConvertDirectoryComponent<SwTraceCharPolicy> (directoryComponent[4], swTraceBuffer); // arg_names
687 return TimelinePacketStatus::Error;
691 unsigned int dataLength = 3 * uint8_t_size + // Stream header (3 bytes)
692 boost::numeric_cast<unsigned int>(swTraceBuffer.size()) *
693 uint32_t_size; // Trace directory (5 messages)
695 // Calculate the timeline directory binary packet size (in bytes)
696 unsigned int timelineDirectoryPacketSize = 2 * uint32_t_size + // Header (2 words)
697 dataLength; // Payload
699 // Check whether the timeline directory binary packet fits in the given buffer
700 if (timelineDirectoryPacketSize > remainingBufferSize)
702 return TimelinePacketStatus::BufferExhaustion;
705 // Create packet header
706 auto packetHeader = CreateTimelinePacketHeader(1, 0, 0, 0, 0, boost::numeric_cast<uint32_t>(dataLength));
708 // Initialize the offset for writing in the buffer
709 unsigned int offset = 0;
711 // Write the timeline binary packet header to the buffer
712 WriteUint32(buffer, offset, packetHeader.first);
713 offset += uint32_t_size;
714 WriteUint32(buffer, offset, packetHeader.second);
715 offset += uint32_t_size;
717 // Write the stream header
718 uint8_t streamVersion = 4;
719 uint8_t pointerBytes = boost::numeric_cast<uint8_t>(uint64_t_size); // All GUIDs are uint64_t
720 uint8_t threadIdBytes = boost::numeric_cast<uint8_t>(ThreadIdSize);
721 switch (threadIdBytes)
723 case 4: // Typically Windows and Android
724 case 8: // Typically Linux
725 break; // Valid values
727 return TimelinePacketStatus::Error; // Invalid value
729 WriteUint8(buffer, offset, streamVersion);
730 offset += uint8_t_size;
731 WriteUint8(buffer, offset, pointerBytes);
732 offset += uint8_t_size;
733 WriteUint8(buffer, offset, threadIdBytes);
734 offset += uint8_t_size;
736 // Write the SWTrace directory
737 uint32_t numberOfDeclarations = boost::numeric_cast<uint32_t>(timelineDirectoryMessages.size());
738 WriteUint32(buffer, offset, numberOfDeclarations); // Number of declarations
739 offset += uint32_t_size;
740 for (uint32_t i : swTraceBuffer)
742 WriteUint32(buffer, offset, i); // Message declarations
743 offset += uint32_t_size;
746 // Update the number of bytes written
747 numberOfBytesWritten = timelineDirectoryPacketSize;
749 return TimelinePacketStatus::Ok;
752 TimelinePacketStatus WriteTimelineEventClassBinary(uint64_t profilingGuid,
753 unsigned char* buffer,
754 unsigned int remainingBufferSize,
755 unsigned int& numberOfBytesWritten)
757 // Initialize the output value
758 numberOfBytesWritten = 0;
760 // Check that the given buffer is valid
761 if (buffer == nullptr || remainingBufferSize == 0)
763 return TimelinePacketStatus::BufferExhaustion;
767 unsigned int uint32_t_size = sizeof(uint32_t);
768 unsigned int uint64_t_size = sizeof(uint64_t);
770 // decl_id of the timeline message
773 // Calculate the length of the data (in bytes)
774 unsigned int dataSize = uint32_t_size + uint64_t_size; // decl_id + Profiling GUID
776 // Check whether the timeline binary fits in the given buffer
777 if (dataSize > remainingBufferSize)
779 return TimelinePacketStatus::BufferExhaustion;
782 // Initialize the offset for writing in the buffer
783 unsigned int offset = 0;
785 // Write the timeline binary payload to the buffer
786 WriteUint32(buffer, offset, declId); // decl_id
787 offset += uint32_t_size;
788 WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
790 // Update the number of bytes written
791 numberOfBytesWritten = dataSize;
793 return TimelinePacketStatus::Ok;
796 TimelinePacketStatus WriteTimelineEventBinary(uint64_t timestamp,
797 std::thread::id threadId,
798 uint64_t profilingGuid,
799 unsigned char* buffer,
800 unsigned int remainingBufferSize,
801 unsigned int& numberOfBytesWritten)
803 // Initialize the output value
804 numberOfBytesWritten = 0;
805 // Check that the given buffer is valid
806 if (buffer == nullptr || remainingBufferSize == 0)
808 return TimelinePacketStatus::BufferExhaustion;
812 unsigned int uint32_t_size = sizeof(uint32_t);
813 unsigned int uint64_t_size = sizeof(uint64_t);
815 // decl_id of the timeline message
818 // Calculate the length of the data (in bytes)
819 unsigned int timelineEventDataLength = uint32_t_size + // decl_id
820 uint64_t_size + // Timestamp
821 ThreadIdSize + // Thread id
822 uint64_t_size; // Profiling GUID
824 // Check whether the timeline binary packet fits in the given buffer
825 if (timelineEventDataLength > remainingBufferSize)
827 return TimelinePacketStatus::BufferExhaustion;
830 // Initialize the offset for writing in the buffer
831 unsigned int offset = 0;
833 // Write the timeline binary payload to the buffer
834 WriteUint32(buffer, offset, declId); // decl_id
835 offset += uint32_t_size;
836 WriteUint64(buffer, offset, timestamp); // Timestamp
837 offset += uint64_t_size;
838 WriteBytes(buffer, offset, &threadId, ThreadIdSize); // Thread id
839 offset += ThreadIdSize;
840 WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
841 offset += uint64_t_size;
842 // Update the number of bytes written
843 numberOfBytesWritten = timelineEventDataLength;
845 return TimelinePacketStatus::Ok;
848 std::string CentreAlignFormatting(const std::string& stringToPass, const int spacingWidth)
850 std::stringstream outputStream, centrePadding;
851 int padding = spacingWidth - static_cast<int>(stringToPass.size());
853 for (int i = 0; i < padding / 2; ++i)
855 centrePadding << " ";
858 outputStream << centrePadding.str() << stringToPass << centrePadding.str();
860 if (padding > 0 && padding %2 != 0)
865 return outputStream.str();
868 void PrintDeviceDetails(const std::pair<const unsigned short, std::unique_ptr<Device>>& devicePair)
872 body.append(CentreAlignFormatting(devicePair.second->m_Name, 20));
874 body.append(CentreAlignFormatting(std::to_string(devicePair.first), 13));
876 body.append(CentreAlignFormatting(std::to_string(devicePair.second->m_Cores), 10));
879 std::cout << std::string(body.size(), '-') << "\n";
883 void PrintCounterSetDetails(const std::pair<const unsigned short, std::unique_ptr<CounterSet>>& counterSetPair)
887 body.append(CentreAlignFormatting(counterSetPair.second->m_Name, 20));
889 body.append(CentreAlignFormatting(std::to_string(counterSetPair.first), 13));
891 body.append(CentreAlignFormatting(std::to_string(counterSetPair.second->m_Count), 10));
894 std::cout << std::string(body.size(), '-') << "\n";
899 void PrintCounterDetails(std::shared_ptr<Counter>& counter)
903 body.append(CentreAlignFormatting(counter->m_Name, 20));
905 body.append(CentreAlignFormatting(counter->m_Description, 50));
907 body.append(CentreAlignFormatting(counter->m_Units, 14));
909 body.append(CentreAlignFormatting(std::to_string(counter->m_Uid), 6));
911 body.append(CentreAlignFormatting(std::to_string(counter->m_MaxCounterUid), 10));
913 body.append(CentreAlignFormatting(std::to_string(counter->m_Class), 8));
915 body.append(CentreAlignFormatting(std::to_string(counter->m_Interpolation), 14));
917 body.append(CentreAlignFormatting(std::to_string(counter->m_Multiplier), 20));
919 body.append(CentreAlignFormatting(std::to_string(counter->m_CounterSetUid), 16));
921 body.append(CentreAlignFormatting(std::to_string(counter->m_DeviceUid), 14));
925 std::cout << std::string(body.size(), '-') << "\n";
930 void PrintCategoryDetails(const std::unique_ptr<Category>& category,
931 std::unordered_map<unsigned short, std::shared_ptr<Counter>> counterMap)
933 std::string categoryBody;
934 std::string categoryHeader;
936 categoryHeader.append(CentreAlignFormatting("Name", 20));
937 categoryHeader.append(" | ");
938 categoryHeader.append(CentreAlignFormatting("Event Count", 14));
939 categoryHeader.append("\n");
941 categoryBody.append(CentreAlignFormatting(category->m_Name, 20));
942 categoryBody.append(" | ");
943 categoryBody.append(CentreAlignFormatting(std::to_string(category->m_Counters.size()), 14));
945 std::cout << "\n" << "\n";
946 std::cout << CentreAlignFormatting("CATEGORY", static_cast<int>(categoryHeader.size()));
948 std::cout << std::string(categoryHeader.size(), '=') << "\n";
950 std::cout << categoryHeader;
952 std::cout << std::string(categoryBody.size(), '-') << "\n";
954 std::cout << categoryBody;
956 std::string counterHeader;
958 counterHeader.append(CentreAlignFormatting("Counter Name", 20));
959 counterHeader.append(" | ");
960 counterHeader.append(CentreAlignFormatting("Description", 50));
961 counterHeader.append(" | ");
962 counterHeader.append(CentreAlignFormatting("Units", 14));
963 counterHeader.append(" | ");
964 counterHeader.append(CentreAlignFormatting("UID", 6));
965 counterHeader.append(" | ");
966 counterHeader.append(CentreAlignFormatting("Max UID", 10));
967 counterHeader.append(" | ");
968 counterHeader.append(CentreAlignFormatting("Class", 8));
969 counterHeader.append(" | ");
970 counterHeader.append(CentreAlignFormatting("Interpolation", 14));
971 counterHeader.append(" | ");
972 counterHeader.append(CentreAlignFormatting("Multiplier", 20));
973 counterHeader.append(" | ");
974 counterHeader.append(CentreAlignFormatting("Counter set UID", 16));
975 counterHeader.append(" | ");
976 counterHeader.append(CentreAlignFormatting("Device UID", 14));
977 counterHeader.append("\n");
979 std::cout << "\n" << "\n";
980 std::cout << CentreAlignFormatting("EVENTS IN CATEGORY: " + category->m_Name,
981 static_cast<int>(counterHeader.size()));
983 std::cout << std::string(counterHeader.size(), '=') << "\n";
984 std::cout << counterHeader;
985 for (auto& it: category->m_Counters) {
986 auto search = counterMap.find(it);
987 if(search != counterMap.end()) {
988 PrintCounterDetails(search->second);
993 void PrintCounterDirectory(ICounterDirectory& counterDirectory)
995 std::string devicesHeader;
997 devicesHeader.append(CentreAlignFormatting("Device name", 20));
998 devicesHeader.append(" | ");
999 devicesHeader.append(CentreAlignFormatting("UID", 13));
1000 devicesHeader.append(" | ");
1001 devicesHeader.append(CentreAlignFormatting("Cores", 10));
1002 devicesHeader.append("\n");
1004 std::cout << "\n" << "\n";
1005 std::cout << CentreAlignFormatting("DEVICES", static_cast<int>(devicesHeader.size()));
1007 std::cout << std::string(devicesHeader.size(), '=') << "\n";
1008 std::cout << devicesHeader;
1009 for (auto& it: counterDirectory.GetDevices()) {
1010 PrintDeviceDetails(it);
1013 std::string counterSetHeader;
1015 counterSetHeader.append(CentreAlignFormatting("Counter set name", 20));
1016 counterSetHeader.append(" | ");
1017 counterSetHeader.append(CentreAlignFormatting("UID", 13));
1018 counterSetHeader.append(" | ");
1019 counterSetHeader.append(CentreAlignFormatting("Count", 10));
1020 counterSetHeader.append("\n");
1022 std::cout << "\n" << "\n";
1023 std::cout << CentreAlignFormatting("COUNTER SETS", static_cast<int>(counterSetHeader.size()));
1025 std::cout << std::string(counterSetHeader.size(), '=') << "\n";
1027 std::cout << counterSetHeader;
1029 for (auto& it: counterDirectory.GetCounterSets()) {
1030 PrintCounterSetDetails(it);
1033 auto counters = counterDirectory.GetCounters();
1034 for (auto& it: counterDirectory.GetCategories()) {
1035 PrintCategoryDetails(it, counters);
1040 uint64_t GetTimestamp()
1042 #if USE_CLOCK_MONOTONIC_RAW
1043 using clock = MonotonicClockRaw;
1045 using clock = std::chrono::steady_clock;
1049 auto timestamp = std::chrono::duration_cast<std::chrono::nanoseconds>(clock::now().time_since_epoch());
1051 return static_cast<uint64_t>(timestamp.count());
1054 Packet ReceivePacket(const unsigned char* buffer, uint32_t length)
1056 if (buffer == nullptr)
1058 throw armnnProfiling::ProfilingException("data buffer is nullptr");
1062 throw armnnProfiling::ProfilingException("length of data buffer is less than 8");
1065 uint32_t metadataIdentifier = 0;
1066 std::memcpy(&metadataIdentifier, buffer, sizeof(metadataIdentifier));
1068 uint32_t dataLength = 0;
1069 std::memcpy(&dataLength, buffer + 4u, sizeof(dataLength));
1071 std::unique_ptr<unsigned char[]> packetData;
1074 packetData = std::make_unique<unsigned char[]>(dataLength);
1075 std::memcpy(packetData.get(), buffer + 8u, dataLength);
1078 return Packet(metadataIdentifier, dataLength, packetData);
1081 } // namespace profiling
1083 } // namespace armnn
1088 bool operator==(const std::vector<uint8_t>& left, std::thread::id right)
1090 return std::memcmp(left.data(), &right, left.size()) == 0;