Instrument agentic loop with perf v2 & perfetto improvements #4173

Job	Run time
Build tunix package / Build Tunix wheel	16s
tunix_cpu_unit_tests / run	1m 21s
tunix_tpu_unit_tests / run_dev	7m 9s
tunix_tpu_unit_tests / run_prod	3m 53s
Notify failed build	4s
	12m 43s

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