private void BuildDmaVisuals()
{
List<DmaPacket> queue = new List<DmaPacket>();
DateTime lastEndTime = DateTime.MinValue;
foreach (DmaPacket packet in trace.GetDmaPackets())
{
// Three cases:
// 1. We have a queue already, and the new packet's start time is less than
// the current queue's ending time. Add it to the queue for later processing
// 2. We have a queue already, and the new packet's start time is after last
// ending time in queue. Process the full queue, then start a new one with this item
// 3. The queue is empty, just start one with this
if (queue.Count != 0)
{
if (packet.Start < lastEndTime)
{
queue.Add(packet);
if (packet.End > lastEndTime)
{
lastEndTime = packet.End;
}
}
else
{
//
// Flush the queue
//
// first item gets a full visual in one piece
DmaPacketVisual visual = new DmaPacketVisual();
visual.Packet = queue[0];
visual.StartTime = visual.Packet.Start;
visual.EndTime = visual.Packet.End;
visual.Height = 0;
dmaVisuals.Add(visual);
// the remainder queue up & split up based on previous end times
for (int i = 1; i < queue.Count; ++i)
{
int height = i;
DateTime start = queue[i].Start;
for (int j = 0; j <= i; ++j)
{
visual = new DmaPacketVisual();
visual.Packet = queue[i];
visual.StartTime = start;
visual.EndTime = queue[j].End;
visual.Height = height;
Debug.Assert(height >= 0);
height--;
start = visual.EndTime;
dmaVisuals.Add(visual);
}
}
queue.Clear();
queue.Add(packet);
lastEndTime = packet.End;
}
}
else
{
queue.Add(packet);
lastEndTime = packet.End;
}
}
}
private void BuildDmaVisuals()
{
List <DmaPacket> queue = new List <DmaPacket>();
DateTime lastEndTime = DateTime.MinValue;
foreach (DmaPacket packet in trace.GetDmaPackets())
{
// Three cases:
// 1. We have a queue already, and the new packet's start time is less than
// the current queue's ending time. Add it to the queue for later processing
// 2. We have a queue already, and the new packet's start time is after last
// ending time in queue. Process the full queue, then start a new one with this item
// 3. The queue is empty, just start one with this
if (queue.Count != 0)
{
if (packet.Start < lastEndTime)
{
queue.Add(packet);
if (packet.End > lastEndTime)
{
lastEndTime = packet.End;
}
}
else
{
//
// Flush the queue
//
// first item gets a full visual in one piece
DmaPacketVisual visual = new DmaPacketVisual();
visual.Packet = queue[0];
visual.StartTime = visual.Packet.Start;
visual.EndTime = visual.Packet.End;
visual.Height = 0;
dmaVisuals.Add(visual);
// the remainder queue up & split up based on previous end times
for (int i = 1; i < queue.Count; ++i)
{
int height = i;
DateTime start = queue[i].Start;
for (int j = 0; j <= i; ++j)
{
visual = new DmaPacketVisual();
visual.Packet = queue[i];
visual.StartTime = start;
visual.EndTime = queue[j].End;
visual.Height = height;
Debug.Assert(height >= 0);
height--;
start = visual.EndTime;
dmaVisuals.Add(visual);
}
}
queue.Clear();
queue.Add(packet);
lastEndTime = packet.End;
}
}
else
{
queue.Add(packet);
lastEndTime = packet.End;
}
}
}
