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C# - Getting a RawFraction Performance Counter to show a persistent value


C# - Getting a RawFraction Performance Counter to show a persistent value

By : Saman Samikermani
Date : October 28 2020, 08:00 PM
hope this fix your issue It's hard to know what went wrong for you without seeing any of your code but here's an example of it being used correctly (from: http://msdn.microsoft.com/en-us/library/system.diagnostics.performancecountertype.aspx)
code :


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Is there a .NET performance counter to show the rate of p/invoke calls being made?

Is there a .NET performance counter to show the rate of p/invoke calls being made?


By : Joel
Date : March 29 2020, 07:55 AM
hop of those help? Try the ".NET CLR Interop" for "# of marshalling" performance counter.
See this article for more http://msdn.microsoft.com/en-us/library/ms998551.aspx.
Performance Counter : \Processor(_Total)\% Processor : Time Azure WAD Performance Counter

Performance Counter : \Processor(_Total)\% Processor : Time Azure WAD Performance Counter


By : user3236408
Date : March 29 2020, 07:55 AM
seems to work fine This Azure counter is simply a recording of the Windows Performance Counter
RawFraction performance counter persists its state even after deleting the performance category

RawFraction performance counter persists its state even after deleting the performance category


By : LyuGGang
Date : March 29 2020, 07:55 AM
it helps some times I am pretty sure this is due to the way Windows manages performance data.
From MSDN, PerformanceCounterCategory.Create Method (String, String, PerformanceCounterCategoryType, CounterCreationDataCollection):
code :
while (PerformanceCounterCategory.Exists(category))
{
    PerformanceCounterCategory.Delete(category);
}
The requested Performance Counter is not a custom counter, it has to be initialized as ReadOnly." on RouteTable.Rou

The requested Performance Counter is not a custom counter, it has to be initialized as ReadOnly." on RouteTable.Rou


By : Bhavesh
Date : March 29 2020, 07:55 AM
wish of those help So based on the information you've provided it is clear that these are first chance exceptions being thrown when SignalR is attempting to create the performance counters but doesn't have the rights to do so with the identity that the process is running under. You can safely ignore these exceptions, but you obviously won't get performance counter data.
If you want to create the performance counters you need to make sure the identity of your application belongs to the Performance Counter Users group when it's running. Either that or you need to use the utility application provided in the Microsoft ASP.NET SignalR Utilities NuGet package that allows you to create the counters out of band. Just install the package and run the command:
code :
signalr ipc
How to show performance counter results in texbox.text windows forms c#

How to show performance counter results in texbox.text windows forms c#


By : Kari Goin
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Hey guys I`m new to c# and I learned a lot from reading answers on this community. , Try putting a space between % and Processor Time
code :
PerformanceCounter CpuCount = new PerformanceCounter("Processor Information", "% Processor Time", "_Total");
private PerformanceCounter cpuCounter;
public Form1()
{
    InitializeComponent();
    InitialiseCPUCounter();
    timer1.Start();
}

private void timer1_Tick(object sender, EventArgs e)
{
    float tmp = cpuCounter.NextValue();
    textBox1.Text = String.Format("{0} %", tmp);
}

private void InitialiseCPUCounter()
{
   cpuCounter = new PerformanceCounter("Processor Information", "% Processor Time", "_Total");
}
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