Question

一个令人毛骨悚然的问题，让我们看看这个人可以获得几张否决票？

private static PerformanceCounter PC18 = new PerformanceCounter("PhysicalDisk", "% Disk Time", "_Total");

使用以下方式致电柜台

private void Timer_Tick(object sender, EventArgs e)
{
    Console.WriteLine($"PC18.NextValue()");
}

此计时器设置为1秒间隔。

我得到的值没有相应的磁盘使用率％，正在显示130.02之类的值。

这是我能找到的唯一使用磁盘使用情况的PerformanceCounter。为什么我会得到错误的值？

Answer 1

Ah ha, the instanceName, '_total' is not the figure on of disk, its all disks.

So, an answer here fixed my problem:

PC18 = new PerformanceCounter("PhysicalDisk", "% Disk Time", "0 C:");

Where: '0 C:' is the Instance Name of my physical disk C:

Thanks to 'Henk Holterman', all though the answer was not entirely clear, it was enough to make towards the final answer. Thanks!

PerformanceCounterCategory Category = new System.Diagnostics.PerformanceCounterCategory("PhysicalDisk");
string[] InstanceNames = Category.GetInstanceNames();

foreach (string Name in InstanceNames)
    richTextBox1.AppendText(Name + Environment.NewLine);

That will give you the Instance Names you need.

PerformanceCounter PhysicalDisk％Disk Time错误值

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