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init: boot time sched tuning

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Restore uclamp_min and use preferred_idle_mask and group util to
optimize about 200ms boot time performance.

Bug: 284039815
Test: pts-tradefed run singleCommand pts -m PtsPerformanceTestCases -t com.google.android.perf.pts.BootPerformanceTest
Change-Id: I3a77fb0270c1afdc3983710c90a4369a813c7f2c
This commit is contained in:
Lisa Liu 2023-06-28 02:52:57 +00:00 • committed by Lisa (LeeWei) Liu
parent 154ad90703
commit c681323649
1 changed files with 26 additions and 0 deletions
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26
conf/init.zuma.rc
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@ -471,7 +471,33 @@ on post-fs-data
on zygote-start
# For PixelLogger configuration file.
chmod 0771 /data/vendor/wifi
write /proc/vendor_sched/ta_uclamp_min 1
write /proc/vendor_sched/fg_uclamp_min 0
write /proc/vendor_sched/sys_uclamp_min 0
write /proc/vendor_sched/ta_preferred_idle_mask_low 0x03f
write /proc/vendor_sched/ta_preferred_idle_mask_mid 0x1f0
write /proc/vendor_sched/ta_preferred_idle_mask_high 0x1f0
write /proc/vendor_sched/ta_prefer_idle 1
write /proc/vendor_sched/fg_preferred_idle_mask_low 0x03f
write /proc/vendor_sched/fg_preferred_idle_mask_mid 0x1f0
write /proc/vendor_sched/fg_preferred_idle_mask_high 0x1f0
write /proc/vendor_sched/fg_prefer_idle 1
write /proc/vendor_sched/sys_preferred_idle_mask_low 0x03f
write /proc/vendor_sched/sys_preferred_idle_mask_mid 0x1f0
write /proc/vendor_sched/sys_preferred_idle_mask_high 0x1f0
write /proc/vendor_sched/sys_prefer_idle 1
write /proc/vendor_sched/bg_ug 0
write /proc/vendor_sched/sysbg_ug 0
write /proc/vendor_sched/ota_ug 0
write /proc/vendor_sched/dex2oat_ug 1
write /proc/vendor_sched/ta_ug 2
write /proc/vendor_sched/fg_ug 2
write /proc/vendor_sched/nnapi_ug 2
write /proc/vendor_sched/rt_ug 2
write /proc/vendor_sched/sf_ug 2
write /proc/vendor_sched/sys_ug 2
on post-fs-data
# Create the directories used by the Wireless subsystem