chromeOptions: {
//Important for benchpress to get timeline data from the browser
'args': [ /*'--trace-startup',*/ '--js-flags=--expose-gc', '--enable-gpu-benchmarking', '--enable-thread-composting'],
'perfLoggingPrefs': {
'traceCategories': 'v8,blink.console,devtools.timeline',
//'traceCategories': 'v8,blink.console,disabled-by-default-devtools.timeline',
//"traceCategories": 'v8,toplevel,disabled-by-default-devtools.timeline.frame,blink.console,disabled-by-default-devtools.timeline,benchmark'
}
},
open question: