program visualization at the system level
Post on 23-Feb-2016
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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?
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