From 784db773ec0fb32562e8889b769bc04450159161 Mon Sep 17 00:00:00 2001 From: Sadik Armagan Date: Tue, 8 Oct 2019 15:05:38 +0100 Subject: IVGCVSW-3926 Create the Timeline Message Directory Package Signed-off-by: Sadik Armagan Change-Id: I8be40f2e6f1f916b2566ca4d9e87b38d27eb7730 --- src/profiling/ProfilingUtils.cpp | 123 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) (limited to 'src/profiling/ProfilingUtils.cpp') diff --git a/src/profiling/ProfilingUtils.cpp b/src/profiling/ProfilingUtils.cpp index 0f6432e091..e458a3f720 100644 --- a/src/profiling/ProfilingUtils.cpp +++ b/src/profiling/ProfilingUtils.cpp @@ -405,6 +405,129 @@ TimelinePacketStatus WriteTimelineEntityBinaryPacket(uint64_t profilingGuid, return TimelinePacketStatus::Ok; } +TimelinePacketStatus WriteTimelineMessageDirectoryPackage(unsigned char* buffer, + unsigned int bufferSize, + unsigned int& numberOfBytesWritten) +{ + // Initialize the output value + numberOfBytesWritten = 0; + + // Check that the given buffer is valid + if (buffer == nullptr || bufferSize == 0) + { + return TimelinePacketStatus::BufferExhaustion; + } + + // Utils + unsigned int uint32_t_size = sizeof(uint32_t); + + // Packet header word 0: + // 26:31 [6] packet_family: timeline Packet Family, value 0b000001 + // 19:25 [7] packet_class: packet class + // 16:18 [3] packet_type: packet type + // 8:15 [8] reserved: all zeros + // 0:7 [8] stream_id: stream identifier + uint32_t packetFamily = 1; + uint32_t packetClass = 0; + uint32_t packetType = 0; + uint32_t streamId = 0; + uint32_t packetHeaderWord0 = ((packetFamily & 0x0000003F) << 26) | + ((packetClass & 0x0000007F) << 19) | + ((packetType & 0x00000007) << 16) | + ((streamId & 0x00000007) << 0); + + // the payload/data of the packet consists of swtrace event definitions encoded according + // to the swtrace directory specification. The messages being the five defined below: + // | decl_id | decl_name | ui_name | arg_types | arg_names | + // |-----------|---------------------|-----------------------|-------------|-------------------------------------| + // | 0 | declareLabel | declare label | ps | guid,value | + // | 1 | declareEntity | declare entity | p | guid | + // | 2 | declareEventClass | declare event class | p | guid | + // | 3 | declareRelationship | declare relationship | Ippp | relationshipType,relationshipGuid, + // headGuid,tailGuid | + // | 4 | declareEvent | declare event | @tp | timestamp,threadId,eventGuid | + + std::vector> timelineDirectoryMessages = + { {"declareLabel", "declare label", "ps", "guid,value"}, + {"declareEntity", "declare entity", "p", "guid"}, + {"declareEventClass", "declare event class", "p", "guid"}, + {"declareRelationship", "declare relationship", + "Ippp", "relationshipType,relationshipGuid,headGuid,tailGuid"}, + {"declareEvent", "declare event", "@tp", "timestamp,threadId,eventGuid"} }; + + unsigned int messagesDataLength = 0u; + std::vector>> swTraceTimelineDirectoryMessages; + + for (const auto& timelineDirectoryMessage : timelineDirectoryMessages) + { + messagesDataLength += uint32_t_size; // decl_id + + std::vector> swTraceStringsVector; + for (const auto& label : timelineDirectoryMessage) + { + std::vector swTraceString; + bool result = StringToSwTraceString(label, swTraceString); + if (!result) + { + return TimelinePacketStatus::Error; + } + + messagesDataLength += boost::numeric_cast(swTraceString.size()) * uint32_t_size; + swTraceStringsVector.push_back(swTraceString); + } + swTraceTimelineDirectoryMessages.push_back(swTraceStringsVector); + } + + // Calculate the timeline directory binary packet size (in bytes) + unsigned int timelineDirectoryPacketSize = 2 * uint32_t_size + // Header (2 words) + messagesDataLength; // 5 messages length + + // Check whether the timeline directory binary packet fits in the given buffer + if (timelineDirectoryPacketSize > bufferSize) + { + return TimelinePacketStatus::BufferExhaustion; + } + + // Packet header word 1: + // 25:31 [7] reserved: all zeros + // 24 [1] sequence_numbered: when non-zero the 4 bytes following the header is a u32 sequence number + // 0:23 [24] data_length: unsigned 24-bit integer. Length of data, in bytes. Zero is permitted + uint32_t sequenceNumbered = 0; + uint32_t dataLength = boost::numeric_cast(messagesDataLength); + uint32_t packetHeaderWord1 = ((sequenceNumbered & 0x00000001) << 24) | + ((dataLength & 0x00FFFFFF) << 0); + + // Initialize the offset for writing in the buffer + unsigned int offset = 0; + + // Write the timeline binary packet header to the buffer + WriteUint32(buffer, offset, packetHeaderWord0); + offset += uint32_t_size; + WriteUint32(buffer, offset, packetHeaderWord1); + offset += uint32_t_size; + + for (unsigned int i = 0u; i < swTraceTimelineDirectoryMessages.size(); ++i) + { + // Write the timeline binary packet payload to the buffer + WriteUint32(buffer, offset, i); // decl_id + offset += uint32_t_size; + + for (std::vector swTraceString : swTraceTimelineDirectoryMessages[i]) + { + for (uint32_t swTraceDeclStringWord : swTraceString) + { + WriteUint32(buffer, offset, swTraceDeclStringWord); + offset += uint32_t_size; + } + } + } + + // Update the number of bytes written + numberOfBytesWritten = timelineDirectoryPacketSize; + + return TimelinePacketStatus::Ok; +} + } // namespace profiling } // namespace armnn -- cgit v1.2.1