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Bart Van Assche eef0f563fd [DO NOT MERGE] Migrate the blkio controller to the v2 cgroup hierarchy 
There are multiple use cases in Android for which background writes need
to be controlled via the cgroup mechanism. The cgroup mechanism can only
control background writes if both the blkio and memcg controllers are
mounted in the v2 cgroup hierarchy. Hence this patch that migrates the
blkio controller from the v1 to the v2 cgroup hierarchy.

The blkio controller has been marked as optional since not all Android
kernels enable this controller (CONFIG_BLK_CGROUP).

This patch increases the TOTAL_BOOT_TIME for devices with a 4.19 kernel
(redfin) from 18.9 s to 20 s. This patch does not affect the boot time
for devices with a 5.10 or 5.15 kernel.

This patch increases the time spent in CgroupMap::ActivateControllers()
by 25 microseconds in Cuttlefish on an x86-64 CPU.
CgroupMap::ActivateControllers() is called by Service::Start().

Bug: 213617178
Test: Cuttlefish and various phones
Change-Id: I3c07c1be84c3feb277b7d7003652d5d3b57c6541
Signed-off-by: Bart Van Assche <bvanassche@google.com>
2023-03-22 11:39:53 -07:00
bootstat bootstat.rc: remove trigger that logged post_decrypt_time_elapsed 2023-01-18 02:14:35 +00:00
cli-test [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
code_coverage Disable code_coverage.other for riscv64 2022-10-13 13:49:10 -07:00
debuggerd Merge "riscv64: fix debuggerd_test build." 2023-03-21 18:56:36 +00:00
diagnose_usb Support building diagnose_usb against musl 2021-12-16 14:04:06 -08:00
fastboot Merge changes Ie68aed2f,Ic40696b3 2023-03-22 00:02:13 +00:00
fs_mgr Remove the libsnapshot fuzzer. 2023-03-14 11:23:15 +00:00
gatekeeperd Merge "Add more Gatekeeper OWNERS" 2023-03-09 06:30:37 +00:00
healthd charger: fix show qustion mark when start to draw UI 2023-03-17 01:28:56 +00:00
include Remove include/backtrace symlink. 2020-10-20 12:46:14 -07:00
init Merge "Make the host_init_verifier init.rc parser follow symlinks." 2023-03-17 06:42:04 +00:00
janitors Add myself to janitor owners. 2022-12-02 12:50:43 -08:00
libappfuse [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libasyncio Set min_sdk_version 2021-12-02 09:23:42 +09:00
libbinderwrapper [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
libcrypto_utils Set min_sdk_version 2021-12-02 09:23:42 +09:00
libcutils sched_policy_test: set_sched_policy also set the cpuset policy as fallback 2023-02-01 03:06:45 +00:00
libdiskconfig Android typo fix exercise, uknown -> unknown 2023-01-09 19:13:01 +00:00
libgrallocusage Make apex_available explicit 2022-02-09 11:37:19 -08:00
libkeyutils Make libfs_mgr dependencies vendor_ramdisk_available. 2021-07-23 16:50:06 -07:00
libmodprobe Revert "libmodprobe: LPM: Load all modules in *.load with *.dep satisfied" 2023-02-06 19:36:37 +00:00
libnetutils Rewrite function declarators without prototypes 2022-06-22 16:59:22 +08:00
libpackagelistparser Promote HWASan tests to presubmit. 2022-06-17 22:18:49 +00:00
libprocessgroup [DO NOT MERGE] Migrate the blkio controller to the v2 cgroup hierarchy 2023-03-22 11:39:53 -07:00
libsparse libsparse: Fix allocation failures on 32-bit systems. 2023-03-20 15:55:57 -07:00
libstats [TeX] Introduced Telemetry Express Logging APIs 2023-03-18 06:25:47 +00:00
libsuspend libsuspend: vendor_available. 2021-11-02 13:52:40 -07:00
libsync Declare the headers of the ndk_library 2022-09-08 21:59:20 +00:00
libsystem Add COLOR_MODE_DISPLAY_BT2020 to graphics header. 2022-12-01 22:25:40 -08:00
libsysutils Fix 32-bit userspace on 64-bit kernel quota2 compatibility. 2021-10-25 16:24:49 -07:00
libusbhost libusbhost: factor out frameworks descriptors -> byte[] code. 2022-01-24 13:35:20 -08:00
libutils Fix the missing std 2023-03-01 23:30:29 +00:00
libvndksupport Replace #apex with #systemapi 2022-07-17 17:43:24 +09:00
llkd llkd: Disable in userdebug builds by default 2021-11-04 16:21:46 -07:00
mini_keyctl Merge "Make libmini_keyctl_static available in recovery" 2021-11-23 17:54:31 +00:00
mkbootfs mkbootfs: consistency. 2023-01-12 04:34:15 +00:00
property_service Remove dalvik.vm.usejitprofiles system property. 2022-11-25 12:27:37 +00:00
reboot [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
rootdir [DO NOT MERGE] Migrate the blkio controller to the v2 cgroup hierarchy 2023-03-22 11:39:53 -07:00
run-as [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
sdcard [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
shell_and_utilities Update shell_and_utilities docs for U. 2023-03-01 22:05:37 +00:00
storaged storaged: use correct accumulate variable for publishing disk stats 2023-02-13 15:45:20 -08:00
toolbox toolbox/modprobe: Fallback to /lib/modules/<uname> 2023-01-27 12:58:50 +00:00
trusty trusty: Add trusty stats test 2023-03-20 21:08:24 +00:00
usbd usb: migration to USB gadget AIDL 2023-01-10 11:24:36 +08:00
watchdogd [LSC] Add LOCAL_LICENSE_KINDS to system/core 2021-02-19 12:59:05 -08:00
.clang-format Add a 2 width option of clang format. 2017-03-10 13:01:39 -08:00
.clang-format-2 Move clang-formats to build. 2019-01-18 14:26:33 -08:00
.clang-format-4 Move clang-formats to build. 2019-01-18 14:26:33 -08:00
.gitignore Ignore adb/*.pyc files 2015-08-11 12:59:58 -07:00
CleanSpec.mk snapshotctl don't auto-merge. 2020-03-03 13:19:49 -08:00
METADATA Add METADATA to system/core: Apache2+BSD=NOTICE 2020-04-29 13:16:41 -07:00
MODULE_LICENSE_APACHE2 auto import from //depot/cupcake/@135843 2013-07-30 13:56:49 -07:00
OWNERS Remove baligh@ from owners. CodeShuffle done. 2020-10-17 00:28:10 +00:00
PREUPLOAD.cfg Configure rustfmt for preupload hook 2022-04-06 21:11:09 +00:00
rustfmt.toml Configure rustfmt for preupload hook 2022-04-06 21:11:09 +00:00