Capturing Performance Counter Data for a Process by Process Id Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. PerformanceCounter.NextValue is integer not single? - VB.NET To sample the same set of counters (instances of the Thread/Processor Time counter), my code takes 40 seconds+. */ public string getCurrentCpuUsage(){ cpuCounter.NextValue()+"%"; } /* Call this method every time you need to get the amount of the available RAM in Mb */ public string getAvailableRAM(){ ramCounter . The most common counters include Processor, Memory, and . . See Question&Answers more detail:os The following code example creates a default instance of the PerformanceCounter class. System.Diagnostics.PerformanceCounter.NextValue () Here are the examples of the csharp api class System.Diagnostics.PerformanceCounter.NextValue () taken from open source projects. Hi There, Thank you for your post ! The Performance Counter returns a value on the Category "Network interface" on the counter Current Bandwidth it returns 1E+08 when i execute the PerformanceCounter.Nextval ue() method. （PerformanceCounter インスタンスの nextValue() の計算方法は PerformanceCounterType 列挙体によってが制御されているので、その辺りが関係ありそう？ . Plugins - Exceptionless . PerformanceCounter.NextValue() generates memory allocations #27083 Description PerformanceCounter with category "Processor" and counter "% Processor Time" fails when instance is specified by process name. PerformanceCounter Exception When Invoked for Current Process · Issue ... If you do not need the accuracy that interlocked operations provide, you can update the RawValue property directly for up to a 5 times performance improvement. 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. PerformanceCounter.NextSample Method (System.Diagnostics) | Microsoft Docs The common language runtime (CLR) provides a PerformanceCounter class, with which we can read and write performance data on computers running Windows NT, 2000, or XP. 效能收集器類別 - 取得效能使用率 : CPU、Memory、HD、Network (含只取得乙太網卡的效能使用率) The code below has a button, Button1 and a textbox, TextBox1. ramCounter = new PerformanceCounter("Memory", "Available MBytes"); /* Call this method every time you need to know the current cpu usage.