[zeromq-dev] Latency heat maps for performance testing?

Martin Sustrik sustrik at 250bpm.com
Thu Jun 3 12:59:48 CEST 2010


Steven McCoy wrote:
> A nice article on visualisation of IO performance latency through DTrace,
> 
> http://queue.acm.org/detail.cfm?id=1809426

Interesting. So far the tests we've run assumed that the latencies 
distribution doesn't change as the test progresses. Heat maps would 
allow to spot the patterns such as gradual increase in latency (say when 
queueing effects hits) or periodic fluctuation of latency distributions.

Martin



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