I would assume that these values should match with the values in task manager. -or- The InstanceLifetime property is set to Process when using global shared memory. Description PerformanceCounter with category "Processor" and counter "% Processor Time" fails when instance is specified by process name. Use machine.config or an application configuration file to set the size of the PerformanceCounter file mapping.")] . The whole form is little more than a StatusStrip component, with each of the PerformanceCounter values displayed in a ToolStripStatusLabel updated once every couple of seconds via a Timer. We need to call counters in which the performance data is placed. . var counter = PerformanceCounter("Processor", "% Processor Time", Process.GetCurrentProcess().Proce. How to get the available RAM and the cpu usage in percents? . How to get current cpu usage in C# and VB.NET The following code example creates a default instance of the PerformanceCounter class. PerformanceCounter.NextValue() returns constant value for CPU load Answer: If you want to get the memory of another process, which you know the PID, you can use GetProcessById : var mem = System.Diagnostics.Process.GetProcessById(1234).PrivateMemorySize64; // valor em bytes. After the instance is created, the CategoryName, CounterName, and InstanceName property values are set, and the results of a call to the NextValue method are displayed. Example Project: cat.net So you have to call this method a second time. In between we need make thread sleep for at lease 1 sec. 2 comments. My only guess is that there is some caching of resources done in .Net that do not get freed when I call PerformanceCounter.Close(). c# - Using PerformanceCounter to track memory and CPU usage per process ... Just as the processor queue was an indication of waiting threads, the disk queue is an indication of the number of transactions that are waiting to be processed. ramCounter = new PerformanceCounter("Memory", "Available MBytes"); /* Call this method every time you need to know the current cpu usage. C# CPU 和 GPU 温度(C# CPU and GPU Temp)答案 - 爱码网 I can't use the PowerShell performance counter objects. c# get cpu use percent and available memory - Records And Memorys PerformanceCounter.CategoryName Property (System.Diagnostics ... NextValue () + "%" ); PerformanceCounter class will give the correct CPU usage on 2nd .NextValue () call. Basically, some PerformanceCounter instances are programmatically created in the main form's Form.Load, and disposed of in Form.Closing. @Matt I thought that too at first, but 'PerformanceCounter.NextValue' gives back whatever value you have defined for it: look closer at the second argument "counterName" of the instantiation of the counter. System.Diagnostics.PerformanceCounter.NextValue () Here are the examples of the csharp api class System.Diagnostics.PerformanceCounter.NextValue () taken from open source projects. pcDisk.CounterName = "Current Disk Queue Length" lblCurrDiskQueueLength.Text = pcDisk.NextValue.ToString 'this counter is a general mark of how busy the disk is.

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