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Include perfetto tracing instructions #247

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emilieroberts opened this issue Feb 10, 2022 · 0 comments

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emilieroberts commented Feb 10, 2022

Probably the best way to be tracing on Chrome OS right now.

Get helper script as indicated in perfetto.dev docs

curl -O https://raw.githubusercontent.com/google/perfetto/master/tools/record_android_trace
chmod u+x record_android_trace

put device in dev mode
connect via adb
use script to grab the trace : "./record_android_trace -o trace_file.perfetto-trace -t 40s -b 128mb sched freq idle am wm gfx view binder_driver hal dalvik camera input res memory"
-- t == max length
-- b == max size
-- determine other flags from perfetto ui or docs
Read trace file with ui.perfetto.dev

Include some screen shots, links to perfetto.dev.

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emilieroberts self-assigned this

Snugug added the scope: content label

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