One boot phase per invocation; ?phase=kernel-boot runs every phase up to that one. Cost is the cpuTime difference between phases from wrangler tail (in-isolate clocks read 0 there).
?phase=kernel-boot
cpuTime
wrangler tail
One boot phase per invocation;
?phase=kernel-bootruns every phase up to that one. Cost is thecpuTimedifference between phases fromwrangler tail(in-isolate clocks read 0 there).