发表于 2009-1-5 19:48
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鐢–#鐩戞帶骞舵樉绀篊PU鐘舵佷俊鎭
鍙戝竷: 2008-6-30 09:59 | 浣滆: admin | 鏌ョ湅: 0娆
銆銆绠浠
銆銆鏈枃灏嗕粙缁嶄竴绉嶇畝鍗曠殑鏂规硶鏉ユ樉绀篊PU鐨勭姸鎬佷俊鎭紝绀轰緥婕旂ず浜嗘庢牱鏄剧ずCPU娑堣楃殑澶勭悊鍣ㄦ椂闂寸櫨鍒嗘瘮锛屽畠鏄氳繃閰嶇疆涓涓ц兘璁℃暟鍣紝骞剁敤涓涓爣鍑嗚繘搴︽潯鎺т欢鍙婃爣绛炬帶浠跺懆鏈熸ц疆璇㈠鐞嗗櫒鏃堕棿鐧惧垎姣斻
銆銆鍥1锛氭樉绀篊PU澶勭悊鍣ㄦ椂闂
銆銆杩欎釜绀轰緥杩樿兘鐢ㄤ簬鐩戞帶鍗曞彴璁＄畻鏈轰笂鐨勫涓鐞嗗櫒锛屼粎浠呴氳繃鍦ㄨ繍琛屾椂鍙栧緱CPU鏁(System.Environment.ProcessorCount鍙繑鍥炶繖涓)锛屽苟鍔ㄦ佹坊鍔燩erformance Monitor鎺т欢锛岃鍏跺悇鑷洃鎺т竴涓狢PU灏卞彲浠ヤ簡銆
銆銆杩樺彲浠ュ鏂囦腑鐨勬柟娉曡繘琛屾墿灞曪紝濡備笅闈㈠氨鏄竴涓娇鐢ㄤ簡Dundas .NET Gauge Control鎺т欢锛屽苟鏄剧ず浜咺ntel杩呴┌鍙屾牳澶勭悊鍣ㄧ殑绋嬪簭鎴浘锛岃櫧鐒跺湪鏂囦腑娌℃湁鍖呭惈杩欎釜渚嬪瓙锛屼絾鎬濊矾閮芥槸涓鏍风殑銆
銆銆鍥2锛氬湪鍙屾牳绯荤粺涓洃鎺ф瘡涓涓鐞嗗櫒
銆銆寮濮嬪伐绋
銆銆鍦╒isual Studio 2005涓柊寤轰竴涓猈inForm(Windows绐椾綋搴旂敤绋嬪簭)宸ョ▼鈥曗曡繖涓獥浣撶敤浜庢樉绀篊PU淇℃伅锛屼笖瑙ｅ喅鏂规娌℃湁寮曠敤闄ら粯璁や箣澶栫殑鍏朵粬搴撱傚浘3涓鸿В鍐虫柟妗堣祫婧愭祻瑙堝櫒涓殑宸ョ▼锛
銆銆鍥3锛氳В鍐虫柟妗堣祫婧愭祻瑙堝櫒
銆銆绋嬪簭鐨勪富绐椾綋鐢变笅鍒楁爣鍑嗗伐鍏风鎺т欢缁勬垚锛
銆銆² 涓涓粍妗嗘帶浠
銆銆² 涓涓爣绛炬帶浠
銆銆² 涓涓繘搴︽潯鎺т欢
銆銆² 涓涓狿erformanceCounter鎺т欢
銆銆² 涓涓畾鏃跺櫒鎺т欢
銆銆缁勬鎺т欢鐢ㄤ簬鍖呭惈鍏朵粬鐨勬帶浠;杩涘害鏉℃帶浠惰涓烘樉绀轰粠0鑷100闂寸殑鏁板硷紝姝ラ暱灞炴ц涓1;鏍囩鎺т欢鐢ㄤ簬鏄剧ず杩涘害鏉＄殑褰撳墠鏁板;鑰岃繘搴︽潯鍒欎唬琛ㄤ簡PerformanceCounter鎺т欢鎹曟崏鍒扮殑澶勭悊鍣ㄦ椂闂寸櫨鍒嗘瘮;杩涘害鏉′笌鏍囩鎺т欢閮界敱瀹氭椂鍣ㄦ帶浠剁殑Tick浜嬩欢澶勭悊绋嬪簭鏇存柊;瀹氭椂鍣ㄨ缃负姣10000姣璋冪敤Tick浜嬩欢澶勭悊绋嬪簭锛屽苟涓斿湪绋嬪簭鍒濆鍖栨椂灏卞紑濮嬭鏃朵簡銆
銆銆PerformanceCounter鎺т欢鐨勫睘鎬ц涓烘崟鎹夊鐞嗗櫒鏃堕棿鐧惧垎姣旓紝鍙互鐢ㄤ唬鐮佽缃紝涔熷彲浠ュ湪IDE涓殑灞炴ф爮閲岃缃紝鍦ㄦ湰渚嬩腑锛屾槸鍦ㄥ睘鎬ф爮閲岃缃紝濡備笅鍥炬墍绀猴細
銆銆鍥4锛歅erformance Counter鎺т欢灞炴
銆銆涓婂浘涓紝灞炴ategoryName琚涓衡淧rocessor鈥濓紝灞炴ounterName琚涓衡% Processor Time鈥濓紝涓擨nstanceName璁句负鈥淿Total鈥濄傚鏋滆鐩戞帶鍗曚釜澶勭悊鍣ㄧ殑鐘舵侊紝灞炴nstanceName闇璁句负鎸囧悜鏌愪釜鐗瑰畾鐨勫鐞嗗櫒(姣斿璇0鎴1)銆
銆銆璁剧疆瀹岃繖浜涘睘鎬т箣鍚庯紝杩橀渶瑕佺紪鍐欎竴浜涗唬鐮侊紝涓嬮潰灏辨槸绋嬪簭涓荤獥浣撶殑浠ｇ爜锛
浠ヤ笅鏄紩鐢ㄧ墖娈碉細
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace CpuUsageTest
{
public partial class frmCpuUsage : Form
{
public frmCpuUsage()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void timer1_Tick(object sender, EventArgs e)
{
progressBar1.Value = (int)(performanceCounter1.NextValue());
label1.Text = "Processor Time: " +
progressBar1.Value.ToString() + "%";
}
}
}
銆銆绠鍗曞惂锛屽湪姝ゅ彧闇娣诲姞IDE榛樿鐢熸垚涔嬪鐨勫緢灏戜唬鐮侊紝涓昏鏄疶ick浜嬩欢鐨勫鐞嗙▼搴忥紝鍦ㄨ繖涓よ浠ｇ爜涓紝杩涘害鏉¤璁句负鏄剧ず浠庢ц兘璁℃暟鍣ㄥ緱鏉ョ殑鍊硷紝鏍囩鎺т欢鐢变紶閫掔粰杩涘害鏉＄殑鍊兼洿鏂帮紝鑰岃繖涓や釜鍊奸兘鍦ㄦ瘡娆ick浜嬩欢瑙﹀彂鏃舵洿鏂般
