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Prefetching appears to have a slightly negative effect on boot time, and actually makes boot time much worse when the available dm-bufio cache shrinks. Since we anticipate the dm-bufio cache will shrink (because of an increasing number of APEX dm-verity targets), disable prefetching completely. Boot time w/o this change: 12.085 Boot time with this change: 11.958 Boot time w/o this change with 128kB dm-bufio cache: 22.82 Boot time with this change with 128kB dm-bufio cache: 12.007 Test: atest google/perf/boottime/boottime-test Bug: 136247322 Change-Id: I12e342c5692fa89855d9c217f2e94287ff5642a6 |
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|---|---|---|
| biometrics | ||
| bluetooth | ||
| configs | ||
| data-ipa-cfg-mgr | ||
| DeviceDoze | ||
| DeviceSettings | ||
| folio_daemon | ||
| gps | ||
| ims | ||
| init | ||
| libhidl | ||
| libshims | ||
| light | ||
| org.ifaa.android.manager | ||
| overlay | ||
| overlay-awaken | ||
| overlay-lineage | ||
| power-libperfmgr | ||
| rootdir | ||
| rro_overlays | ||
| seccomp | ||
| sepolicy | ||
| usb | ||
| vndk | ||
| .clang-format | ||
| Android.bp | ||
| Android.mk | ||
| awaken.dependencies | ||
| BoardConfigCommon.mk | ||
| common_prop.mk | ||
| compatibility_matrix.xml | ||
| extract-files.sh | ||
| framework_manifest.xml | ||
| manifest.xml | ||
| proprietary-files.txt | ||
| README.md | ||
| sdm660.mk | ||
| setup-makefiles.sh | ||
| update-sha1sums.py | ||
This repository contains device configuration for Xiaomi SDM660 devices
| Basic | Spec Sheet |
|---|---|
| CPU | Quad-core 1.84 GHz Qualcomm Kryo 260 LP |
| CPU | Quad-core 2.20 GHz Qualcomm Kryo 260 HP |
| Chipset | Qualcomm Snapdragon 660, SDM660 |
| GPU | Adreno 512 |
| ROM | 32/64/128GB |
| RAM | 3/4/6GB |
| Android | 8.1.0 |
Note: Depends on: android_packages_resources_devicesettings from LineageOS
Currently Supported Devices: wayne (MI 6X), jasmine_sprout (MI A2), clover (MI PAD 4 /4 Plus), lavender (Redmi Note 7) and platina (Mi 8 Lite)
Copyright
#
# Copyright (C) 2018 The LineageOS Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#