# 6.2.4.Windows Performance Toolkit

## 1.用途

* Windows Performance Toolkit

  相當於 [Performance Monitor](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter4-fu-zhi-wen-ti-de-ji-qiao/42zhui-zong-cheng-shi-zhi-xing/422chu-cuo-gong-ju/4231windows-performance-monitor.html) + [Process Monitor](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter4-fu-zhi-wen-ti-de-ji-qiao/42zhui-zong-cheng-shi-zhi-xing/422chu-cuo-gong-ju/4224process-monitor.html) + Process Explorer + [WinDbg](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter3-windbg.html): 可以取得效能歷史訊息, 並提供threads與stack的進一步資訊

## 2.用法

* 1.下載Windows SDK並安裝Windows Performance Toolkits, 可以參考[這篇](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter3-windbg/31an-zhuangwindbg.html)
* 2.先開啟Windows Performance Recorder, 有點像是[Windows Performance Monitor](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter4-fu-zhi-wen-ti-de-ji-qiao/42zhui-zong-cheng-shi-zhi-xing/422chu-cuo-gong-ju/4231windows-performance-monitor.html)的用法, 可以勾選[四種效能分析指標](https://jenhsuan.gitbooks.io/debugging-tools-experience/content/chapter4-fu-zhi-wen-ti-de-ji-qiao/42zhui-zong-cheng-shi-zhi-xing/422chu-cuo-gong-ju/4231xiao-neng-fen-xi-zhi-biao.html) ![](https://github.com/jenhsuan/debugging-tools-experience/tree/91ad7a157f155ea77065c5600800bb4627bd1ae2/assets/螢幕快照%202017-06-25%20上午8.21.33.png)
  * Start 開始搜集資訊
  * Save 停止並儲存資訊 ![](https://github.com/jenhsuan/debugging-tools-experience/tree/91ad7a157f155ea77065c5600800bb4627bd1ae2/assets/螢幕快照%202017-06-25%20上午8.37.16.png)
  * 儲存完成後, 點選 **Open in WPA** 開啟Windows Performance Analyzer ![](https://github.com/jenhsuan/debugging-tools-experience/tree/91ad7a157f155ea77065c5600800bb4627bd1ae2/assets/螢幕快照%202017-06-25%20上午8.40.11.png)
* 3.從Windows Performance Analyzer最左邊的panel中可以看出那個項目異常, 進一步點開看細節追查 ![](https://github.com/jenhsuan/debugging-tools-experience/tree/91ad7a157f155ea77065c5600800bb4627bd1ae2/assets/螢幕快照%202017-06-25%20上午8.44.58.png)
* 4.分析
  * Storage
  *


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