private IAsyncDocumentSession CreateAsyncSession()
{
var session = RavenDocumentStore.OpenAsyncSession();
session.Advanced.UseOptimisticConcurrency = true;
return(session);
}
protected override void SeedDocuments()
{
using (var session = RavenDocumentStore.OpenSession())
{
session.Store(new RavenIdentityUser()
{
UserName = "******", Email = "*****@*****.**"
});
session.Store(new RavenIdentityUser()
{
UserName = "******", Email = "*****@*****.**"
});
session.SaveChanges();
}
}
public ReadOnlyRepository(RavenDocumentStore ravenDocumentStore)
{
_ravenDocumentStore = ravenDocumentStore;
}
public DiskIoPerformanceMonitor(MonitorOptions options)
{
var process = Process.GetProcessById(options.ProcessId);
RavenDocumentStore.Init(options.ServerUrl);
store = RavenDocumentStore.DocumentStore;
var resourcesToMonitor = GetResourcesToMonitor();
run.StartTime = SystemTime.UtcNow;
run.ProcessId = options.ProcessId;
run.ProcessName = process.ProcessName;
run.DurationInMinutes = options.IoOptions.DurationInMinutes;
run.DisplayName = GenerateDisplayName(run);
if (options.IoOptions.DurationInMinutes > 0)
{
timer = new Timer(_ => Stop(), null, TimeSpan.FromMinutes(options.IoOptions.DurationInMinutes), TimeSpan.FromMilliseconds(-1));
}
session = new TraceEventSession(KernelTraceEventParser.KernelSessionName);
session.EnableKernelProvider(KernelTraceEventParser.Keywords.FileIOInit | KernelTraceEventParser.Keywords.FileIO);
session.Source.Kernel.FileIORead += data =>
{
if (data.ProcessID != options.ProcessId)
{
return;
}
var fileName = data.FileName;
if (string.IsNullOrEmpty(fileName))
{
return;
}
if (resourcesToMonitor.Any(x => x.IsMatch(fileName)) == false)
{
return;
}
operations.AddOrUpdate(data.IrpPtr, new FileIoData(fileName, OperationType.Read, data.TimeStampRelativeMSec, data.IoSize), (_, d) =>
{
d.IoSizeInBytes += data.IoSize;
return(d);
});
};
session.Source.Kernel.FileIOWrite += data =>
{
if (data.ProcessID != options.ProcessId)
{
return;
}
var fileName = data.FileName;
if (string.IsNullOrEmpty(fileName))
{
return;
}
if (resourcesToMonitor.Any(x => x.IsMatch(fileName)) == false)
{
return;
}
operations.AddOrUpdate(data.IrpPtr, new FileIoData(fileName, OperationType.Write, data.TimeStampRelativeMSec, data.IoSize), (_, d) =>
{
d.IoSizeInBytes += data.IoSize;
return(d);
});
};
session.Source.Kernel.FileIOOperationEnd += data =>
{
//NOTE: we can't compare data.ProcessID with options.ProcessId, because data.ProcessID is always -1 on Windows 7 (however it works on Win 8).
FileIoData value;
if (operations.TryRemove(data.IrpPtr, out value) == false)
{
return;
}
var fileName = value.FileName;
var ioSize = value.IoSizeInBytes;
var durationInMilliseconds = data.TimeStampRelativeMSec - value.TimeStampRelativeInMilliseconds;
var resourceInformation = GetResourceInformation(fileName, resourcesToMonitor);
var operationType = value.OperationType;
var utcTimeStamp = data.TimeStamp.ToUniversalTime();
var endTimeStamp = new DateTime(utcTimeStamp.Year, utcTimeStamp.Month, utcTimeStamp.Day, utcTimeStamp.Hour, utcTimeStamp.Minute, utcTimeStamp.Second);
fileOperations.Add(new FileOperation(fileName, operationType, ioSize, durationInMilliseconds, endTimeStamp, resourceInformation));
};
}
