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HistoryDictionary: Replace manually sorted list with SortedDictionary #298

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Jul 12, 2017
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HistoryDictionary: Replace manually sorted list with SortedDictionary #298

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11 changes: 10 additions & 1 deletion src/TraceEvent/TraceUtilities/HistoryDictionary.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -40,11 +40,20 @@ public void Add(Address id, long startTime, T value, bool isEndRundown = false)

// See if we can jump ahead. Currently we only do this of the first entry,
// But you could imagine using some of the other nodes's skipAhead entries.
if (firstEntry.skipAhead != null && firstEntry.skipAhead.startTime < startTime)
if (firstEntry.skipAhead != null && firstEntry.skipAhead.startTime <= startTime)
entry = firstEntry.skipAhead;

for (; ; )
{
// We found exact match
if (startTime == entry.StartTime)
{
// Just update the value and exit immediately as there is no need to
// update skipAhead or increment count
entry.value = value;
return;
}

if (entry.next == null)
{
entry.next = new HistoryValue(startTime, id, value);
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