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TestEngineering/Performance/Raptor/Youtube playback performance: Difference between revisions
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TestEngineering/Performance/Raptor/Youtube playback performance (view source)
Revision as of 12:00, 23 May 2019
, 23 May 2019Instructions in how to customize the gecko profiler
(Instructions in how to customize the gecko profiler) |
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== Profiling == | == Profiling == | ||
For information in how to enable and customize the profiler consult the | |||
[https://wiki.mozilla.org/Performance_sheriffing/Raptor#Profiling_Raptor_Jobs general Raptor documentation] first. | |||
By default the profiler runs with a lower sampling rate to allow the recording of all the videos as best without loosing data due to log rotation. It means that not all the stack frames will be recorded, and as such information might be lost. But given the fact that the markers are more important, but those are all still present, it can be neglected. | |||
If there is a performance issue with one of the videos, it would be wise to only test that specific video with an increased sampling rate for the profiler. Therefore modify the gecko profiler settings in the manifest file to something like: | |||
gecko_profile_interval = 1 | |||
gecko_profile_entries = 14000000 | |||
== Updating the test suite == | == Updating the test suite == | ||