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TestEngineering/Performance/Sheriffing/Perfherder FAQ: Difference between revisions
TestEngineering/Performance/Sheriffing/Perfherder FAQ (view source)
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= What is Perfherder = | = What is Perfherder = | ||
[https://treeherder.mozilla.org/perf.html#/graphs Perfherder] is a tool that takes data points from log files and graphs them over time. Primarily this is used for performance data from [ | [https://treeherder.mozilla.org/perf.html#/graphs Perfherder] is a tool that takes data points from log files and graphs them over time. Primarily this is used for performance data from [[TestEngineering/Performance/Talos|Talos]], but also from [[AWSY/Tests|AWSY]], build_metrics, [[EngineeringProductivity/Autophone|Autophone]] and platform_microbenchmarks. All these are test harnesses and you can find more about them [[TestEngineering/Performance/Sheriffing/Alerts|here]]. | ||
The code for Perfherder can be found inside Treeherder [https://github.com/mozilla/treeherder/ here]. | The code for Perfherder can be found inside Treeherder [https://github.com/mozilla/treeherder/ here]. | ||
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= Muting additional data points = | = Muting additional data points = | ||
Once you become familiar with graph server it is a common use case to have [ | Once you become familiar with graph server it is a common use case to have [[TestEngineering/Performance/Sheriffing/Perfherder_FAQ#Adding_additional_data_points|multiple data points]] on the graph at a time. This results in a lot of confusing data points if you are trying to zoom in and investigating the values for a given data point. | ||
Luckily there is a neat feature in graph server that allows you to mute a data point. There is a checkbox (on by default) that lives in the left hand side bar where you have the list of data series. | Luckily there is a neat feature in graph server that allows you to mute a data point. There is a checkbox (on by default) that lives in the left hand side bar where you have the list of data series. | ||
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Common practice is to load up a bunch of related series, and mute/unmute to verify revisions, dates, etc. for a visible regression. | Common practice is to load up a bunch of related series, and mute/unmute to verify revisions, dates, etc. for a visible regression. | ||