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title: Lab12: RTOS Visualization
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預期目標
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- 延展過去幾次的實驗與作業，設計出一個具體而微的 FreeRTOS 視覺化機制
- 學習 Grasp 視覺化工具
Grasp
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- Understanding and validating the timing behavior of real-time systems is not trivial.
- Many real-time operating systems and their development environments do not provide tracing support, and provide only limited visualization, measurements and analysis tools.
- `Grasp<http://www.win.tue.nl/san/grasp/>`_ is a tool for tracing, visualizing and measuring the behavior of real-time systems. It provides a simple plugin infrastructure for extending Grasp with custom visualization and measurement methods.
- PDF: `Grasp: Tracing, Visualizing and Measuring the Behavior of Real-Time Systems<http://www.win.tue.nl/~mholende/publications/Holenderski2010.pdf>`_
- [Grasp](http://www.win.tue.nl/san/grasp/) is a tool for tracing, visualizing and measuring the behavior of real-time systems. It provides a simple plugin infrastructure for extending Grasp with custom visualization and measurement methods.
- PDF: [Grasp: Tracing, Visualizing and Measuring the Behavior of Real-Time Systems](http://www.win.tue.nl/~mholende/publications/Holenderski2010.pdf)
- mutex 視覺化輸出
- RTOS scheduling 視覺化輸出
作業
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- 適度修改 Lab-12/freertos 目錄底下的檔案，以 `Grasp<http://www.win.tue.nl/san/grasp/>`_ 重新實作視覺化機制
- 適度修改 Lab-12/freertos 目錄底下的檔案，以 [Grasp](http://www.win.tue.nl/san/grasp/) 重新實作視覺化機制
* 需要包含 context-switch
* 需要包含 mutex 的視覺化
- 可參考 Grasp Recorder 的 instrumentation，以便在 FreeRTOS 作事件紀錄
- 程式碼一律提交到 Git repository，操作方式請參考 `Lab-11</embedded/Lab11>`_
- 程式碼一律提交到 Git repository，操作方式請參考 [Lab-11](/embedded/Lab11)
* ``make gdbauto`` 時，應該要產生 ``sched.grasp`` 檔案
繳交作業
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- 截止日期：
* 成大/中正: Apr 12, 2013 (含) 之前
- 寄件到 <jserv.tw@gmail.com>
- 標題:
* 成大: "[NCKU/Lab12]" 開頭，後面加學號與姓名
* 中正: "[CCU/Lab12]" 開頭，後面加學號與姓名
* 格式不合者，不計分！
- 信件內應該描述開發的想法、面臨的技術問題以及如何克服
- 以及關於 context-swicth / mutex 的畫面輸出
