Documentation needed on what each metric in the report means

[chatur-sriganesh]

Hi ,

Is there any documentation you can help me with please where i can get the meaning and units of each metric that we get in the following report?

{ "meta": { "title": "render 60 frames", "group": "test-fixtures-multiple", "id": "render-60-frames" }, "profiling": { "categories": { "scripting": 13.217000007629395, "rendering": 11.370999991893768, "painting": 9.248999938368797 }, "events": { "Animation Frame Fired": 7.994999974966049, "Composite Layers": 7.0119999796152115, "Update Layer Tree": 6.503000020980835, "JS Frame": 5.1060000360012054, "Recalculate Style": 4.867999970912933, "Paint": 2.236999958753586, "Run Microtasks": 0.11599999666213989 }, "functions": { "FireAnimationFrame": 7.994999974966049, "CompositeLayers": 7.0119999796152115, "UpdateLayerTree": 6.503000020980835, "UpdateLayoutTree": 4.867999970912933, "f:render@24": 2.32600000500679, "Paint": 2.236999958753586, "f:requestAnimationFrame@": 2.1010000109672546, "f:ws.onmessage@24": 0.1940000057220459, "f:finishRace@24": 0.15600000321865082, "f:@": 0.1300000101327896, "RunMicrotasks": 0.11599999666213989, "f:Promise@": 0.10099999606609344, "f:startRace@24": 0.09800000488758087 } }, "rendering": { "firstPaint": 0.00805, "fps": { "mean": 60.98, "variance": 3.9, "sd": 1.97, "lo": 56.92, "hi": 63.47 } } }