IVGCVSW-3926 Create the Timeline Message Directory Package
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I8be40f2e6f1f916b2566ca4d9e87b38d27eb7730
diff --git a/src/profiling/ProfilingUtils.cpp b/src/profiling/ProfilingUtils.cpp
index 0f6432e..e458a3f 100644
--- a/src/profiling/ProfilingUtils.cpp
+++ b/src/profiling/ProfilingUtils.cpp
@@ -405,6 +405,129 @@
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<std::vector<std::string>> 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<std::vector<std::vector<uint32_t>>> swTraceTimelineDirectoryMessages;
+
+ for (const auto& timelineDirectoryMessage : timelineDirectoryMessages)
+ {
+ messagesDataLength += uint32_t_size; // decl_id
+
+ std::vector<std::vector<uint32_t>> swTraceStringsVector;
+ for (const auto& label : timelineDirectoryMessage)
+ {
+ std::vector<uint32_t> swTraceString;
+ bool result = StringToSwTraceString<SwTraceCharPolicy>(label, swTraceString);
+ if (!result)
+ {
+ return TimelinePacketStatus::Error;
+ }
+
+ messagesDataLength += boost::numeric_cast<unsigned int>(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<uint32_t>(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<uint32_t> 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