topic why the boot_progress_perload_stat display twice？ in i.MX Processors

why the boot_progress_perload_stat display twice？

yhm2046 — Tue, 11 Jan 2022 07:14:21 GMT

I using android automotive 10 in mek_8q, running :logcat -d -b events | grep "boot"

and notice

boot_progress_preload_start
boot_progress_preload_end

show twice, it was meaning Zygote start twice，the all log is below, someone can tell me why thanks

Re: why the boot_progress_perload_stat display twice？

Zhiming_Liu — Fri, 14 Jan 2022 06:31:33 GMT

There are two kinds of zygote in AOSP init.zygote32_64.rc.The first is for 32 bit application and the another is for 64 bit application.The system will boot 32 bit zygote and 64 bit zygote.

service zygote /system/bin/app_process32 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote class main priority -20 user root group root readproc reserved_disk socket zygote stream 660 root system onrestart write /sys/android_power/request_state wake onrestart write /sys/power/state on onrestart restart audioserver onrestart restart cameraserver onrestart restart media onrestart restart netd onrestart restart wificond writepid /dev/cpuset/foreground/tasks service zygote_secondary /system/bin/app_process64 -Xzygote /system/bin --zygote --socket-name=zygote_secondary class main priority -20 user root group root readproc reserved_disk socket zygote_secondary stream 660 root system onrestart restart zygote writepid /dev/cpuset/foreground/tasks

Re: why the boot_progress_perload_stat display twice？

yhm2046 — Sat, 15 Jan 2022 02:19:32 GMT

thanks for your replay. But I want to know whether can delete 32 bit zygote to less boot time?

Re: why the boot_progress_perload_stat display twice？

Zhiming_Liu — Mon, 17 Jan 2022 01:59:46 GMT

No, you can't do like this.