Re: Strange Performance Counter performance problem in Windows Service application

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Hi Kevin,

No, I create counters *before*
"System.ServiceProcess.ServiceBase.Run(ServicesToRun)".
Moving call to a method creating counters to the OnStart() was the *only
change* I made. The behavior is/was very consistent.
I do not understand why, but it helped.

Tomasz

"Kevin Yu [MSFT]" <v-kevy@xxxxxxxxxxxxxxxxxxxx> wrote in message
news:pLRrpho8GHA.3352@xxxxxxxxxxxxxxxxxxxxxxxx
Hi Tomasz,

I tried the same code in the Main() method, and it's working fine. Did you
put the code after System.ServiceProcess.ServiceBase.Run(ServicesToRun)?
If
true, it might be the case that your code hangs. We should put it before
the service itself starts. My code that is working fine looks like the
follwing.

' The main entry point for the process
<MTAThread()> _
<System.Diagnostics.DebuggerNonUserCode()> _
Shared Sub Main()
Dim ServicesToRun() As System.ServiceProcess.ServiceBase

' More than one NT Service may run within the same process. To add
' another service to this process, change the following line to
' create a second service object. For example,
'
' ServicesToRun = New System.ServiceProcess.ServiceBase () {New
Service1, New MySecondUserService}
'
Const ThisServiceName As String = "My Service"

Trace.WriteLine("Checking performance counters category.")
If PerformanceCounterCategory.Exists(ThisServiceName) Then
Trace.WriteLine("Deleting performance counters.")
PerformanceCounterCategory.Delete(ThisServiceName)
Trace.WriteLine("Performance counters deleted.")
End If

PerformanceCounterCategory.Create(ThisServiceName, "",
PerformanceCounterCategoryType.MultiInstance, "test counter", "")

ServicesToRun = New System.ServiceProcess.ServiceBase() {New
Service1}
System.ServiceProcess.ServiceBase.Run(ServicesToRun)
End Sub

Furthermore, it is not suggested to put your code in the main method. You
can put it in the OnStart method. And start your service in another thread
that does the main jobs.

If anything is unclear, please feel free to let me know.

Kevin Yu
Microsoft Online Community Support

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