Evolution-X-Tensor/device_google_gs101
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gs101: tune vendor_sched parameters for boot time

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Set uclamp_min and prefer_idle to sys_group to improve 2nd init
stage boot time performance.
* original
boot_progress_start_avg: 4832.3
* with tuning
boot_progress_start_avg: 4028.75

Bug: 193192017
Test: boot test
Change-Id: I8ebd52fddceadbee22e9a8c75969d52047b2acfc
This commit is contained in:
Lisa Liu 2021-07-09 10:19:12 +08:00
parent fd9a189315
commit 9a20a9faee
1 changed files with 4 additions and 0 deletions
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4
conf/init.gs101.rc
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@ -125,6 +125,8 @@ on init
write /sys/kernel/vendor_sched/ta_prefer_idle 1
write /sys/kernel/vendor_sched/fg_uclamp_min 308
write /sys/kernel/vendor_sched/fg_prefer_idle 1
write /sys/kernel/vendor_sched/sys_uclamp_min 308
write /sys/kernel/vendor_sched/sys_prefer_idle 1
# governor setting
write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor sched_pixel
@ -353,6 +355,7 @@ on post-fs-data
on zygote-start
# For PixelLogger configuration file.
chmod 0771 /data/vendor/wifi
write /sys/kernel/vendor_sched/sys_uclamp_min 0
on post-fs-data
# Create the directories used by the Wireless subsystem
@ -678,6 +681,7 @@ on property:sys.boot_completed=1
write /sys/kernel/vendor_sched/ta_uclamp_min 1
write /sys/kernel/vendor_sched/fg_uclamp_min 0
write /sys/kernel/vendor_sched/bg_uclamp_max 615
write /sys/kernel/vendor_sched/sys_prefer_idle 0
# cfs_rq clamp is using tg->uclamp setting
# align it with the vendor_group setting
write /dev/cpuctl/background/cpu.uclamp.max 60