March 12-14, 2018 - Portland, OR
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Tuesday, March 13 • 10:50am - 11:40am
Measuring and Summarizing Latencies using the Trace Event Subsystem - Tom Zanussi, Intel

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The RT-devel kernel has recently merged a patchset designed to replace the RT kernel's latency histogram feature with a new version built on top of a more generic 'inter-event' facility. This new 'inter-event' capability in turn builds on the general-purpose Trace Event subsystem, and is expected to be merged into the mainstream kernel at some point.

This presentation will describe the new capabilities from a set of real-world examples all the way down to the 'bare metal' of the event subsystem. It will also discuss how these new inter-event capabilities can be used with other tracing facilities, and will cover possible future tasks that can/should be done to up-level and in turn build further on this work.


Tom Zanussi

Software Engineer, Intel
Tom Zanussi is a software engineer at Intel's Open Source Technology Center. He's given talks on the subjects of embedded systems and tracing at various conferences in the past including ELC, OLS and the Intelligent Systems Conference, and has been an active contributor to the Linux... Read More →

Tuesday March 13, 2018 10:50am - 11:40am PDT
Pavilion West