Visualizing System Latency

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TracingBook : Visualizing System Latency

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This article describes the use of heat maps to display latencies.

Contents 1 Description 2 Heat Maps 2.1 When to use a heat map 2.2 When not to use a heat map 2.3 Examples 3 References

[edit] Description

Visualizing System Latency is an article that shows how heat maps can be used to display I/O latencies. It is written in the perspective of showing millions of I/O access in a medium-sized widget and allowing a user to immediately extract data that would be pertinent.

[edit] Heat Maps

Describe a heatmap here.

[edit] When to use a heat map

When should you use heat maps? Advantages described here.

[edit] When not to use a heat map

When is it not appropriate to use heat maps.

[edit] Examples

• Winamp voiceprint analyzer

[edit] References

• Brendan Gregg, Visualizing System Latency, Oracle, 2010