# Copyright (c) 2013-2018,2020, The Linux Foundation. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above # copyright notice, this list of conditions and the following # disclaimer in the documentation and/or other materials provided # with the distribution. # * Neither the name of The Linux Foundation nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # on init # setup cgroup freezer for freecess mkdir /dev/freezer mount cgroup none /dev/freezer freezer mkdir /dev/freezer/frozen mkdir /dev/freezer/thaw write /dev/freezer/frozen/freezer.state FROZEN write /dev/freezer/thaw/freezer.state THAWED # MARs for freecess chown system system /dev/freezer chown system system /dev/freezer/frozen chown system system /dev/freezer/frozen/tasks chown system system /dev/freezer/frozen/cgroup.procs chown system system /dev/freezer/frozen/freezer.state chown system system /dev/freezer/thaw chown system system /dev/freezer/thaw/tasks chown system system /dev/freezer/thaw/cgroup.procs # MARs for freecess chmod 0644 /dev/freezer/frozen/tasks chmod 0644 /dev/freezer/frozen/cgroup.procs chmod 0644 /dev/freezer/frozen/freezer.state chmod 0644 /dev/freezer/thaw/tasks chmod 0644 /dev/freezer/thaw/cgroup.procs # SDHMS Slowdown : Freezer mkdir /dev/freezer/abnormal write /dev/freezer/abnormal/freezer.state THAWED chown system system /dev/freezer/abnormal chown system system /dev/freezer/abnormal/tasks chown system system /dev/freezer/abnormal/cgroup.procs chown system system /dev/freezer/abnormal/freezer.state chmod 0644 /dev/freezer/abnormal/tasks chmod 0644 /dev/freezer/abnormal/cgroup.procs chmod 0644 /dev/freezer/abnormal/freezer.state on boot # SDHMS Slowdown : Cpuset mkdir /dev/cpuset/abnormal write /dev/cpuset/abnormal/cpus 0-3 copy /dev/cpuset/mems /dev/cpuset/abnormal/mems chown system system /dev/cpuset/abnormal chown system system /dev/cpuset/abnormal/tasks chown system system /dev/cpuset/abnormal/cpus chmod 0664 /dev/cpuset/abnormal/tasks chmod 0664 /dev/cpuset/abnormal/cpus mkdir /dev/cpuset/moderate write /dev/cpuset/moderate/cpus 0-2,4-6 copy /dev/cpuset/mems /dev/cpuset/moderate/mems chown system system /dev/cpuset/moderate chown system system /dev/cpuset/moderate/tasks chown system system /dev/cpuset/moderate/cpus chmod 0664 /dev/cpuset/moderate/tasks chmod 0664 /dev/cpuset/moderate/cpus # SSWAP write /proc/sys/vm/swappiness 130 # SQZR on property:sys.boot_completed=1 swapon_all /vendor/etc/fstab.sqzr on property:sys.sysctl.zram_balance_ratio=* write /sys/module/zram/parameters/zram_balance_ratio ${sys.sysctl.zram_balance_ratio} on post-fs-data # MST/NFC Switch chmod 0660 /dev/mst_ctrl # SSU (Samsung SIM Unlock) on property:ro.boot.carrierid=MXO setprop ssu.support 1