browse history of test results

[Evan Benn]

Hello,

Is it possible to browse the history of skia test results?

I am attempting to see the test results near the time of the submission of this CL: https://skia-review.googlesource.com/c/skia/+/381259

But I can only seem to see recent results: https://status.skia.org/?filter=Search&repo=skia&search=powervr

Thanks

[Brian Osman]

I'm not sure which of these will be helpful (or accessible to non-Googlers). But:

1) If you click on the column-header for a given bot in the status page, you can get a searchable history of that particular bot, with a date range, etc. For example: https://chromium-swarm.appspot.com/tasklist?f=sk_name%3APerf-Android-Clang-TecnoSpark3Pro-GPU-PowerVRGE8320-arm-Release-All-Android

That still may not be helpful, if you're looking for performance changes around that CL, as the performance bots dump out tons of plain-text results. Our perf.skia.org interface ingests and charts all of that, and has the ability to look for clusters of step-functions (filtered to only search a sub-set of possible bots/backends/benchmark types/etc...) at a single commit. For example, if you open this link, and hit 'Run' you'll see a set of clusters identified that had similar changes in performance at that specific commit. (All of these look like noise, which is common - thermal throttling and random fluctuations tend to produce quite a few false positives):

https://perf.skia.org/c/?offset=54001&query=cpu_or_gpu_value%3DPowerVRGE8320%26cpu_or_gpu_value%3DPowerVRGT7600%26cpu_or_gpu_value%3DPowerVRGT7800%26cpu_or_gpu_value%3DPowerVRGX6450

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