参考代码：
1，页面
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SMPWebPerformance.aspx.cs" Inherits="AFC_web.DataCenter.SMPWebPerformance" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Size="16pt" ForeColor="Red" Text="云端服务器性能监测"></asp:Label>
<br />
<br />
</div>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Chart ID="Chart1" runat="server" BackColor="LightSteelBlue" BackGradientStyle="TopBottom"
BackSecondaryColor="White" EnableTheming="False" EnableViewState="True" Height="383px"
Width="521px">
<Legends>
<asp:Legend Alignment="Center" Docking="Bottom" Name="Legend1" Title="图例">
</asp:Legend>
</Legends>
<Titles>
<asp:Title Font="微软雅黑, 16pt" Name="Title1" Text="系统内存监控图表">
</asp:Title>
</Titles>
<Series>
<asp:Series BorderColor="White" BorderWidth="3" ChartArea="ChartArea1" ChartType="Spline"
Legend="Legend1" Name="已使用物理内存" XValueType="Double" YValueType="Double">
</asp:Series>
<asp:Series BorderWidth="3" ChartArea="ChartArea1" ChartType="Spline" Legend="Legend1"
Name="全部占用内存">
</asp:Series>
<asp:Series ChartArea="ChartArea2" ChartType="StackedArea" Legend="Legend1" Name="CPU">
</asp:Series>
</Series>
<ChartAreas>
<asp:ChartArea BackColor="224, 224, 224" BackGradientStyle="LeftRight" Name="ChartArea1">
</asp:ChartArea>
<asp:ChartArea Name="ChartArea2">
</asp:ChartArea>
</ChartAreas>
</asp:Chart>
<asp:Timer ID="UITimer" runat="server" Interval="2000" OnTick="UITimer_Tick">
</asp:Timer>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
2，页面后台
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Web.UI.DataVisualization.Charting;
using System.Diagnostics;
namespace AFC_web.DataCenter
{
public partial class SMPWebPerformance : System.Web.UI.Page
{
static PerformanceCounter pc = new PerformanceCounter("Processor", "% Processor Time", "_Total");
protected void Page_Load(object sender, EventArgs e)
{
}
protected void UITimer_Tick(object sender, EventArgs e)
{
MEMORY_INFO MemInfo = new MEMORY_INFO();
ComputerInfo.GlobalMemoryStatus(ref MemInfo);
//UseMemory
Series series = Chart1.Series[0];
int xCount = series.Points.Count == 0 ? 0 : series.Points.Count - 1;
double lastXValue = series.Points.Count == 0 ? 1 : series.Points[xCount].XValue + 1;
double lastYValue = (double)(MemInfo.dwTotalPhys - MemInfo.dwAvailPhys) / 1024 / 1024;
series.Points.AddXY(lastXValue, lastYValue);
//Total Memory
series = Chart1.Series[1];
lastYValue = (double)(MemInfo.dwTotalVirtual + MemInfo.dwTotalPhys - MemInfo.dwAvailPhys - MemInfo.dwAvailVirtual) / 1024 / 1024;
series.Points.AddXY(lastXValue, lastYValue);
//CPU
series = Chart1.Series[2];
lastYValue = (double)pc.NextValue();
series.Points.AddXY(lastXValue, lastYValue);
// Remove points from the left chart side if number of points exceeds 100.
while (this.Chart1.Series[0].Points.Count > 80)
{
// Remove series points
foreach (Series s in this.Chart1.Series)
{
s.Points.RemoveAt(0);
}
}
// Adjust categorical scale
double axisMinimum = this.Chart1.Series[0].Points[0].XValue;
this.Chart1.ChartAreas[0].AxisX.Minimum = axisMinimum;
this.Chart1.ChartAreas[0].AxisX.Maximum = axisMinimum + 99;
//------------------------------------------------------------------
//Random rand = new Random();
//// Add several random point into each series
//foreach (Series series in this.Chart1.Series)
//{
// double lastYValue = series.Points[series.Points.Count - 1].YValues[0];
// double lastXValue = series.Points[series.Points.Count - 1].XValue + 1;
// for (int pointIndex = 0; pointIndex < 5; pointIndex++)
// {
// lastYValue += rand.Next(-3, 4);
// if (lastYValue >= 100.0)
// {
// lastYValue -= 25.0;
// }
// else if (lastYValue <= 10.0)
// {
// lastYValue += 25.0;
// }
// series.Points.AddXY(lastXValue++, lastYValue);
// }
//}
//// Remove points from the left chart side if number of points exceeds 100.
//while (this.Chart1.Series[0].Points.Count > 100)
//{
// // Remove series points
// foreach (Series series in this.Chart1.Series)
// {
// series.Points.RemoveAt(0);
// }
//}
//// Adjust categorical scale
//double axisMinimum = this.Chart1.Series[0].Points[0].XValue;
//this.Chart1.ChartAreas[0].AxisX.Minimum = axisMinimum;
//this.Chart1.ChartAreas[0].AxisX.Maximum = axisMinimum + 100;
}
}
}
3，获取CPU 内存 信息
using System;
using System.Collections.Generic;
using System.Linq;
using System.Management; // 添加System.Management引用
using System.Text;
using System.Management.Instrumentation;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Threading;
namespace AFC_web
{
public class ComputerInfo
{
/// <summary>
/// 取得Windows的目录
/// </summary>
/// <param name="WinDir"></param>
/// <param name="count"></param>
[DllImport("kernel32")]
public static extern void GetWindowsDirectory(StringBuilder WinDir, int count);
/// <summary>
/// 获取系统路径
/// </summary>
/// <param name="SysDir"></param>
/// <param name="count"></param>
[DllImport("kernel32")]
public static extern void GetSystemDirectory(StringBuilder SysDir, int count);
/// <summary>
/// 取得CPU信息
/// </summary>
/// <param name="cpuinfo"></param>
[DllImport("kernel32")]
public static extern void GetSystemInfo(ref CPU_INFO cpuinfo);
/// <summary>
/// 取得内存状态
/// </summary>
/// <param name="meminfo"></param>
[DllImport("kernel32")]
public static extern void GlobalMemoryStatus(ref MEMORY_INFO meminfo);
/// <summary>
/// 取得系统时间
/// </summary>
/// <param name="stinfo"></param>
[DllImport("kernel32")]
public static extern void GetSystemTime(ref SYSTEMTIME_INFO stinfo);
public ComputerInfo()
{
}
}
//定义CPU的信息结构
[StructLayout(LayoutKind.Sequential)]
public struct CPU_INFO
{
public uint dwOemId;
public uint dwPageSize;
public uint lpMinimumApplicationAddress;
public uint lpMaximumApplicationAddress;
public uint dwActiveProcessorMask;
public uint dwNumberOfProcessors;
public uint dwProcessorType;
public uint dwAllocationGranularity;
public uint dwProcessorLevel;
public uint dwProcessorRevision;
}
//定义内存的信息结构
[StructLayout(LayoutKind.Sequential)]
public struct MEMORY_INFO
{
public uint dwLength;
public uint dwMemoryLoad;
public uint dwTotalPhys;
public uint dwAvailPhys;
public uint dwTotalPageFile;
public uint dwAvailPageFile;
public uint dwTotalVirtual;
public uint dwAvailVirtual;
}
//定义系统时间的信息结构
[StructLayout(LayoutKind.Sequential)]
public struct SYSTEMTIME_INFO
{
public ushort wYear;
public ushort wMonth;
public ushort wDayOfWeek;
public ushort wDay;
public ushort wHour;
public ushort wMinute;
public ushort wSecond;
public ushort wMilliseconds;
}
}
// auxiliary print methods
// constants used to select the performance counter.