public ExtendedEventsEventReader(string path)
{
Events = new BinarySerializedBufferedEventQueue();
Events.BufferSize = 10000;
tracePath = path;
Filter = new ExtendedEventsEventFilter();
}
public void TestEnqueueRandomDequeueAll()
{
using (BinarySerializedBufferedEventQueue queue = new BinarySerializedBufferedEventQueue())
{
queue.BufferSize = 10000;
Random r = new Random();
Stopwatch watch = new Stopwatch();
for (int j = 0; j < 10; j++)
{
watch.Reset();
watch.Start();
int numElements = (int)(r.NextDouble() * 100000);
for (int i = 0; i < numElements; i++)
{
queue.Enqueue(new ExecutionWorkloadEvent()
{
Text = $"SELECT {i} FROM sometable WHERE somecolumn = someValue ORDER BY someOtherColumn"
});
}
watch.Stop();
Console.WriteLine($"Enqueue {numElements} elements elapsed: {watch.Elapsed}");
int queueLen = queue.Count;
numElements = (int)(r.NextDouble() * 100000);
while (numElements > queueLen)
{
numElements -= 500;
}
watch.Reset();
watch.Start();
for (int i = 0; i < numElements; i++)
{
WorkloadEvent evt = null;
queue.TryDequeue(out evt);
//Console.WriteLine(((ExecutionWorkloadEvent)evt).Text);
}
watch.Stop();
Console.WriteLine($"Dequeue {numElements} elements elapsed: {watch.Elapsed}");
}
watch.Reset();
watch.Start();
int len = queue.Count;
WorkloadEvent evnt = null;
while (queue.TryDequeue(out evnt))
{
;
}
watch.Stop();
Console.WriteLine($"Dequeue all {len} remaining elements elapsed: {watch.Elapsed}");
Assert.AreEqual(queue.Count, 0);
}
}
public void TestEnqueueDequeueFixedList()
{
int[] numbers =
{
+9772
, -9479
, +70255
, -49216
, +18796
, -39641
, +60528
, -60690
, +78808
, -49406
, +42422
, -72132
, +65861
, -34935
, +55297
, -10699
, +96237
, -72432
, +55697
, -85962
, +18370
, -72056
, +97085
, -50146
, +43353
, -53808
, +28408
, -76107
, +51235
, -50290
, +67421
, -9696
, +65303
, -45014
, +53121
, -50691
, +68663
, -54973
, +34989
, -66099
, +15014
, -53872
, +97248
, -38096
, +705
, -23998
, +13872
, -42048
, +77390
, -71767
, +86413
, -6260
, +61030
, -51330
, +14412
, -37716
, +16394
, -20109
, +5862
, -64988
, +67733
, -84421
, +23954
, -3518
, +81985
, -32726
, +14828
, -20847
, +81813
, -4605
, +42036
, -41263
, +37442
, -89598
, +70947
, -64497
, +74808
, -58988
, +49441
, -19355
, -166474
};
using (BinarySerializedBufferedEventQueue queue = new BinarySerializedBufferedEventQueue())
{
queue.BufferSize = 10000;
int total = 0;
for (int i = 0; i < numbers.Length; i++)
{
if (i == 28)
{
Debug.WriteLine("Uh oh");
}
int num = numbers[i];
if (num > 0)
{
int initialCount = queue.Count;
for (int j = 0; j < num; j++)
{
queue.Enqueue(new ExecutionWorkloadEvent()
{
Text = $"SELECT {j} FROM sometable WHERE somecolumn = someValue ORDER BY someOtherColumn"
});
if (i == 28)
{
Console.WriteLine($" {j}: should be {initialCount + j + 1} | is {queue.Count}");
if (initialCount + j + 1 == 8854)
{
Console.WriteLine($"Aaaaah!");
}
}
}
}
else
{
int initialCount = queue.Count;
num = num * -1;
WorkloadEvent evnt = null;
for (int k = 0; k < num; k++)
{
queue.TryDequeue(out evnt);
//Console.WriteLine($" {k}: should be {initialCount - k} | is {queue.Count}");
}
num = num * -1;
}
total += num;
Assert.AreEqual(queue.Count, total);
}
}
}