public BondDynamicDriver()
{
_typeCache = new TypeCache();
}
public Dictionary<Type, EventStatistics> GetTypeStatistics(TypeCache typeCache, string inputFile)
{
var statsPerType = new Dictionary<Type, EventStatistics>();
if (string.IsNullOrWhiteSpace(inputFile))
{
throw new ArgumentException("inputFile");
}
Console.WriteLine("Getting Statistics...");
var rawCount = from events in BinaryEtwObservable.FromSequentialFiles(inputFile)
group events by events.PayloadId
into eventTypes
from all in
eventTypes.Aggregate(
new { EventCount = (long)0, Bytes = (long)0, minTime = long.MaxValue, maxTime = 0L },
(ac, events) =>
new
{
EventCount = ac.EventCount + 1,
Bytes = ac.Bytes + events.EventPayloadLength,
minTime = Math.Min(ac.minTime, events.ReceiveFileTimeUtc),
maxTime = Math.Max(ac.maxTime, events.ReceiveFileTimeUtc)
})
select new { ManifestId = eventTypes.Key, all.EventCount, all.Bytes, all.minTime, all.maxTime };
var counts = rawCount.ToEnumerable().ToArray();
foreach (var c in counts)
{
var manifest = typeCache.Manifests
.FirstOrDefault(m => string.Equals(m.ManifestId, c.ManifestId, StringComparison.OrdinalIgnoreCase));
if (manifest != null)
{
var line = manifest.Manifest
.Split('\n').LastOrDefault(l => l.Trim().StartsWith(@"struct ", StringComparison.OrdinalIgnoreCase));
var className = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)[1].Trim();
var type = typeCache.Types.FirstOrDefault(t => t.Name == className);
var minDateTime = DateTime.FromFileTimeUtc(c.minTime);
var maxDateTime = DateTime.FromFileTimeUtc(c.maxTime);
var duration = (maxDateTime - minDateTime).TotalSeconds;
if (Math.Abs(this.duration) < 0.01) this.duration = 1;
var stats = new EventStatistics
{
AverageByteSize = c.Bytes / c.EventCount,
ByteSize = c.Bytes,
EventCount = c.EventCount,
EventsPerSecond = c.EventCount / duration
};
statsPerType.Add(type, stats);
}
}
return statsPerType;
}
public BondDynamicDriver()
{
_typeCache = new TypeCache();
}