public static decimal StackTraceSimilarity(
IList <ClrStackFrame> stackTrace,
IList <ClrStackFrame> comparisonStackTrace)
{
if (stackTrace.Count == 0 || comparisonStackTrace.Count == 0)
{
return(0);
}
var originStackTraceDisplayNames = stackTrace.Select(row => row.DisplayString).ToList();
var comparisonStackTraceDisplayNames = comparisonStackTrace.Select(row => row.DisplayString).ToList();
var collectionDifference = new Diff <string>(originStackTraceDisplayNames, comparisonStackTraceDisplayNames).Generate()
.ToList();
if (!collectionDifference.Any(diff => diff.Equal))
{
return(0);
}
var maxDifference = collectionDifference.Where(diff => diff.Equal)
.Max(diff => Math.Max(diff.Length1, diff.Length2));
var similarityInPercent = ((decimal)maxDifference / Math.Min(stackTrace.Count, comparisonStackTrace.Count)) * 100.0m;
return(similarityInPercent);
}
