Program Visualization at the System Level
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Program Visualization at the System Level University of Notre Dame Jian Mu and Dirk Van Bruggen
description
Program Visualization at the System Level. University of Notre Dame Jian Mu and Dirk Van Bruggen. The Problem. Simple programs can be complex strace offers a look into the system calls Output is difficult to decipher How does the program run? What files/resources are used?. The Solution. - PowerPoint PPT Presentation
Transcript of Program Visualization at the System Level
Program Visualization at the System Level
University of Notre DameJian Mu and Dirk Van Bruggen
The Problem
Simple programs can be complex strace offers a look into the system calls Output is difficult to decipher How does the program run? What files/resources are used?
The Solution
Create a program to assist in visualizations Create a Data Pipeline
Create Modules for each stage
Strace Parser Data Processor Visualizer
Initial Results
• Where did all the time go?
Initial Results cont.
• Where is the I/O concentrated?• Time and Count
Following Calls Through Time
How Much Overhead?
ls cp mv0
0.5
1
1.5
2
2.5
3
3.5
w/o Vizw/ VizDifference
Sec
onds
The Road Ahead
GUI to Tie everything together Additional Modules
Visualization Debugging
In-Depth Performance Evaluation Effectiveness Study
Questions?
