68 lines
2.9 KiB
Plaintext
68 lines
2.9 KiB
Plaintext
# Copyright (C) 2021 The Android Open-Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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on init
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# memory reserve tuning
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write /proc/sys/vm/min_free_kbytes 27386
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write /proc/sys/vm/lowmem_reserve_ratio "0 0 0"
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# khugepaged tuning
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write /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs 60000
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# Property from experiments - server config
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on property:persist.device_config.vendor_system_native_boot.zram_size=*
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setprop vendor.zram.size ${persist.device_config.vendor_system_native_boot.zram_size}
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# Property for local test. It can overwrite the server side config
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on property:sys.boot_completed=1 && property:persist.vendor.boot.zram.size=*
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setprop vendor.zram.size ${persist.vendor.boot.zram.size}
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on property:sys.boot_completed=1
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swapon_all /vendor/etc/fstab.zram.${vendor.zram.size}
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on property:sys.boot_completed=1
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chmod 444 /sys/kernel/debug/page_owner
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# Create mm_event trace point.
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# For legacy devices, only mm_event is using this trace instance.
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# Debugfs is only used in legacy devices and going to be deprecated.
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# If others want to put more,it should get hard review from pixel-perf-team.
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mkdir /sys/kernel/tracing/instances/pixel 0755 system system
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chown system system /sys/kernel/tracing/instances/pixel/trace
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chmod 0660 /sys/kernel/tracing/instances/pixel/trace
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chown system system /sys/kernel/tracing/instances/pixel/tracing_on
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chmod 0660 /sys/kernel/tracing/instances/pixel/tracing_on
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write /sys/kernel/tracing/instances/pixel/buffer_size_kb 64
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write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_busy_retry/enable 1
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write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_start/enable 1
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write /sys/kernel/tracing/instances/pixel/events/cma/cma_alloc_info/enable 1
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# turns off tracing right before bugreporting to keep more traces
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on property:init.svc.dumpstatez=running
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write /sys/kernel/tracing/instances/pixel/tracing_on 0
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on property:init.svc.dumpstatez=stopped
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write /sys/kernel/tracing/instances/pixel/tracing_on 1
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on property:init.svc.bugreport=running
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write /sys/kernel/tracing/instances/pixel/tracing_on 0
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on property:init.svc.bugreport=stopped
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write /sys/kernel/tracing/instances/pixel/tracing_on 1
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on property:init.svc.bugreportd=running
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write /sys/kernel/tracing/instances/pixel/tracing_on 0
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on property:init.svc.bugreportd=stopped
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write /sys/kernel/tracing/instances/pixel/tracing_on 1
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