private static void WriteFormattedHeapStats(TextWriter tw, string prefix, GCHeapStats heapStats)
{
var data = new List <Tuple <string, string> >();
data.Add(FormatWithValue(heapStats, h => h.Depth));
data.Add(FormatWithValue(heapStats, h => h.FinalizationPromotedCount));
data.Add(FormatWithValue(heapStats, h => h.FinalizationPromotedSize));
data.Add(FormatWithValue(heapStats, h => h.GCHandleCount));
data.Add(FormatWithValue(heapStats, h => h.GenerationSize0));
data.Add(FormatWithValue(heapStats, h => h.GenerationSize1));
data.Add(FormatWithValue(heapStats, h => h.GenerationSize2));
data.Add(FormatWithValue(heapStats, h => h.GenerationSize3));
data.Add(FormatWithValue(heapStats, h => h.PinnedObjectCount));
data.Add(FormatWithValue(heapStats, h => h.SinkBlockCount));
data.Add(FormatWithValue(heapStats, h => h.TotalHeapSize));
data.Add(FormatWithValue(heapStats, h => h.TotalPromoted));
data.Add(FormatWithValue(heapStats, h => h.TotalPromotedSize0));
data.Add(FormatWithValue(heapStats, h => h.TotalPromotedSize1));
data.Add(FormatWithValue(heapStats, h => h.TotalPromotedSize2));
data.Add(FormatWithValue(heapStats, h => h.TotalPromotedSize3));
int maxName = data.Max(d => d.Item1.Length);
int maxValue = data.Max(d => d.Item2.Length);
foreach (var entry in data)
{
tw.WriteLine("{0} {1} {2}", prefix, entry.Item1.PadRight(maxName), entry.Item2.PadLeft(maxValue));
}
}
private static Tuple <string, string> FormatWithValue <T>(GCHeapStats s, Expression <Func <GCHeapStats, T> > exp)
{
if (!(exp.Body is MemberExpression body))
{
var ubody = (UnaryExpression)exp.Body;
body = ubody.Operand as MemberExpression;
}
string name = body.Member.Name;
name = Regex.Replace(name, @"(\B[A-Z0-9])", " $1").ToLowerInvariant().Replace("g c ", "GC ");
return(Tuple.Create(name, $"{exp.Compile().Invoke(s):N0}"));
}
