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

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?S

econ

ds

The Road Ahead

GUI to Tie everything together

Additional Modules

Visualization

Debugging

In-Depth Performance Evaluation

Effectiveness Study

Questions?