IVGCVSW-3931 Create the Timeline Event Binary Packet
* Added WriteTimelineEventBinaryPacket function
* Added unit tests
* Code refactoring
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
Change-Id: I36b6a8b26bb46eb5ea97bb711ef7e153ea6d851f
diff --git a/src/profiling/ProfilingUtils.cpp b/src/profiling/ProfilingUtils.cpp
index 798cfa4..b7def29 100644
--- a/src/profiling/ProfilingUtils.cpp
+++ b/src/profiling/ProfilingUtils.cpp
@@ -247,7 +247,7 @@
/// packetType Timeline Packet Type
/// streamId Stream identifier
/// seqeunceNumbered When non-zero the 4 bytes following the header is a u32 sequence number
-/// dataLength Unsigned 24-bit integer. Length of data, in bytes. Zero is permitted.
+/// dataLength Unsigned 24-bit integer. Length of data, in bytes. Zero is permitted
///
/// \returns
/// Pair of uint32_t containing word0 and word1 of the header
@@ -287,13 +287,18 @@
/// * declareEvent
///
/// \param
-/// Data lenght of the message body in byte
+/// dataLength The length of the message body in bytes
///
/// \returns
/// Pair of uint32_t containing word0 and word1 of the header
std::pair<uint32_t, uint32_t> CreateTimelineMessagePacketHeader(unsigned int dataLength)
{
- return CreateTimelinePacketHeader(1,0,1,0,0,dataLength);
+ return CreateTimelinePacketHeader(1, // Packet family
+ 0, // Packet class
+ 1, // Packet type
+ 0, // Stream id
+ 0, // Sequence number
+ dataLength); // Data length
}
TimelinePacketStatus WriteTimelineLabelBinaryPacket(uint64_t profilingGuid,
@@ -302,7 +307,7 @@
unsigned int bufferSize,
unsigned int& numberOfBytesWritten)
{
- // Initialize the ouput value
+ // Initialize the output value
numberOfBytesWritten = 0;
// Check that the given buffer is valid
@@ -342,8 +347,7 @@
}
// Create packet header
- uint32_t dataLength = boost::numeric_cast<uint32_t>(timelineLabelPacketDataLength); // decl_id + GUID + label
- std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(dataLength);
+ std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(timelineLabelPacketDataLength);
// Initialize the offset for writing in the buffer
unsigned int offset = 0;
@@ -378,7 +382,7 @@
unsigned int bufferSize,
unsigned int& numberOfBytesWritten)
{
- // Initialize the ouput value
+ // Initialize the output value
numberOfBytesWritten = 0;
// Check that the given buffer is valid
@@ -407,8 +411,7 @@
}
// Create packet header
- uint32_t dataLength = boost::numeric_cast<uint32_t>(timelineEntityPacketDataLength);
- std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(dataLength);
+ std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(timelineEntityPacketDataLength);
// Initialize the offset for writing in the buffer
unsigned int offset = 0;
@@ -448,24 +451,25 @@
// Utils
unsigned int uint32_t_size = sizeof(uint32_t);
- // the payload/data of the packet consists of swtrace event definitions encoded according
+ // 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 |
+ // | 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"} };
+ 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;
@@ -501,8 +505,8 @@
}
// Create packet header
- uint32_t dataLength = boost::numeric_cast<uint32_t>(messagesDataLength);
- std::pair<uint32_t, uint32_t> packetHeader = CreateTimelinePacketHeader(1,0,0,0,0,dataLength);
+ uint32_t dataLength = boost::numeric_cast<uint32_t>(messagesDataLength);
+ std::pair<uint32_t, uint32_t> packetHeader = CreateTimelinePacketHeader(1, 0, 0, 0, 0, dataLength);
// Initialize the offset for writing in the buffer
unsigned int offset = 0;
@@ -540,7 +544,7 @@
unsigned int bufferSize,
unsigned int& numberOfBytesWritten)
{
- // Initialize the ouput value
+ // Initialize the output value
numberOfBytesWritten = 0;
// Check that the given buffer is valid
@@ -553,15 +557,15 @@
unsigned int uint32_t_size = sizeof(uint32_t);
unsigned int uint64_t_size = sizeof(uint64_t);
- // dec_id of the timeline message
- uint32_t decId = 2;
+ // decl_id of the timeline message
+ uint32_t declId = 2;
// Calculate the length of the data (in bytes)
- unsigned int packetBodySize = uint32_t_size + uint64_t_size; // decl_id + Profiling GUID
+ unsigned int packetBodySize = uint32_t_size + uint64_t_size; // decl_id + Profiling GUID
// Calculate the timeline binary packet size (in bytes)
- unsigned int packetSize = 2 * uint32_t_size + // Header (2 words)
- packetBodySize; // Body
+ unsigned int packetSize = 2 * uint32_t_size + // Header (2 words)
+ packetBodySize; // Body
// Check whether the timeline binary packet fits in the given buffer
if (packetSize > bufferSize)
@@ -570,8 +574,7 @@
}
// Create packet header
- uint32_t dataLength = boost::numeric_cast<uint32_t>(packetBodySize);
- std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(dataLength);
+ std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(packetBodySize);
// Initialize the offset for writing in the buffer
unsigned int offset = 0;
@@ -583,7 +586,7 @@
offset += uint32_t_size;
// Write the timeline binary packet payload to the buffer
- WriteUint32(buffer, offset, decId); // dec_id
+ WriteUint32(buffer, offset, declId); // decl_id
offset += uint32_t_size;
WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
@@ -593,6 +596,73 @@
return TimelinePacketStatus::Ok;
}
+TimelinePacketStatus WriteTimelineEventBinaryPacket(uint64_t timestamp,
+ uint32_t threadId,
+ uint64_t profilingGuid,
+ 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);
+ unsigned int uint64_t_size = sizeof(uint64_t);
+
+ // decl_id of the timeline message
+ uint32_t declId = 4;
+
+ // Calculate the length of the data (in bytes)
+ unsigned int timelineEventPacketDataLength = uint32_t_size + // decl_id
+ uint64_t_size + // Timestamp
+ uint32_t_size + // Thread id
+ uint64_t_size; // Profiling GUID
+
+ // Calculate the timeline binary packet size (in bytes)
+ unsigned int timelineEventPacketSize = 2 * uint32_t_size + // Header (2 words)
+ timelineEventPacketDataLength; // Timestamp + thread id + profiling GUID
+
+ // Check whether the timeline binary packet fits in the given buffer
+ if (timelineEventPacketSize > bufferSize)
+ {
+ return TimelinePacketStatus::BufferExhaustion;
+ }
+
+ // Create packet header
+ std::pair<uint32_t, uint32_t> packetHeader = CreateTimelineMessagePacketHeader(timelineEventPacketDataLength);
+
+ // Initialize the offset for writing in the buffer
+ unsigned int offset = 0;
+
+ // Write the timeline binary packet header to the buffer
+ WriteUint32(buffer, offset, packetHeader.first);
+ offset += uint32_t_size;
+ WriteUint32(buffer, offset, packetHeader.second);
+ offset += uint32_t_size;
+
+ // Write the timeline binary packet payload to the buffer
+ WriteUint32(buffer, offset, declId); // decl_id
+ offset += uint32_t_size;
+ WriteUint64(buffer, offset, timestamp); // Timestamp
+ offset += uint64_t_size;
+ WriteUint32(buffer, offset, threadId); // Thread id
+ offset += uint32_t_size;
+ WriteUint64(buffer, offset, profilingGuid); // Profiling GUID
+ offset += uint64_t_size;
+
+ // Update the number of bytes written
+ numberOfBytesWritten = timelineEventPacketSize;
+
+ return TimelinePacketStatus::Ok;
+}
+
} // namespace profiling
} // namespace armnn