Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9210c0c3 authored by Akilesh Kailash's avatar Akilesh Kailash
Browse files

Enable Batch writes for OTA installation. 



By default set `ro.virtual_ab.compression.threads` it to false.
Enabling this will improve OTA install time at the cost
of one more CPU.

Bug: 254188450
Test: OTA on Pixel
Change-Id: Idf1fa950a5fc394f0d783d80c84045295185fb85
Signed-off-by: default avatarAkilesh Kailash <akailash@google.com>
parent 8a9dffb9

target/product/virtual_ab_ota/android_t_baseline.mk

+7 −25
Original line number Diff line number Diff line
@@ -12,29 +12,11 @@ 
# 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.

#



# This file enables baseline features, such as io_uring,

# userspace merge, etc. But sets compression method to none.

# This .mk file also removes snapuserd from vendor ramdisk,

# as T launching devices will have init_boot which has snapuserd

# in generic ramdisk.

# T launching devices should include this .mk file, and configure

# compression algorithm by setting

# PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD to gz or brotli. Complete

# set of supported algorithms can be found in

# system/core/fs_mgr/libsnapshot/cow_writer.cpp



PRODUCT_VIRTUAL_AB_OTA := true



PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.enabled=true



PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.xor.enabled=true



PRODUCT_VIRTUAL_AB_COMPRESSION := true

PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD ?= none

PRODUCT_PACKAGES += \

    snapuserd \

# This file should be used only for T launching devices. We maintain

# this file just for backward compatibility for T launch devices

# so that build doesn't break.

#

# All U+ launching devices should instead use vabc_features.mk.

$(call inherit-product, $(SRC_TARGET_DIR)/product/virtual_ab_ota/vabc_features.mk)

target/product/virtual_ab_ota/compression.mk

+6 −0
Original line number Diff line number Diff line
@@ -19,6 +19,12 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/virtual_ab_ota/launch_with_ven 
PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.batch_writes=true



# Enabling this property, will improve OTA install time

# but will use an additional CPU core

# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.threads=true



PRODUCT_VIRTUAL_AB_COMPRESSION := true

PRODUCT_PACKAGES += \

    snapuserd.vendor_ramdisk \

target/product/virtual_ab_ota/vabc_features.mk

0 → 100644
+46 −0
Original line number Diff line number Diff line 
#

# Copyright (C) 2022 The Android Open-Source 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.



# This file enables baseline features, such as io_uring,

# userspace merge, etc. But sets compression method to none.

# This .mk file also removes snapuserd from vendor ramdisk,

# as T launching devices will have init_boot which has snapuserd

# in generic ramdisk.

#

# T and U launching devices should include this .mk file, and configure

# compression algorithm by setting

# PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD to lz4, gz or brotli. Complete

# set of supported algorithms can be found in

# system/core/fs_mgr/libsnapshot/cow_writer.cpp



PRODUCT_VIRTUAL_AB_OTA := true



PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.enabled=true



PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.xor.enabled=true

PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.batch_writes=true



# Enabling this property, will improve OTA install time

# but will use an additional CPU core

# PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.threads=true



PRODUCT_VIRTUAL_AB_COMPRESSION := true

PRODUCT_VIRTUAL_AB_COMPRESSION_METHOD ?= none

PRODUCT_PACKAGES += \

    snapuserd \