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Revert "init: Remove schedtune support"

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This reverts commit 50fd822149.

Change-Id: Ife5bbcba6327022cabeb1a2b7362e2c8b2891cbf
This commit is contained in:
Giovanni Ricca 2025-03-13 20:11:19 +01:00
parent 8d3d6cbe1b
commit 7934335c2a
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2 changed files with 52 additions and 0 deletions
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3
init/service_parser.cpp
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@ -538,9 +538,12 @@ Result<void> ServiceParser::ParseUser(std::vector<std::string>&& args) {
// when we migrate to cgroups v2 while these hardcoded paths stay the same.
static std::optional<const std::string> ConvertTaskFileToProfile(const std::string& file) {
static const std::map<const std::string, const std::string> map = {
{"/dev/stune/top-app/tasks", "MaxPerformance"},
{"/dev/stune/foreground/tasks", "HighPerformance"},
{"/dev/cpuset/camera-daemon/tasks", "CameraServiceCapacity"},
{"/dev/cpuset/foreground/tasks", "ProcessCapacityHigh"},
{"/dev/cpuset/system-background/tasks", "ServiceCapacityLow"},
{"/dev/stune/nnapi-hal/tasks", "NNApiHALPerformance"},
{"/dev/blkio/background/tasks", "LowIoPriority"},
};
auto iter = map.find(file);

49
rootdir/init.rc
View file

@ -116,6 +116,37 @@ on init
# Create socket dir for ot-daemon
mkdir /dev/socket/ot-daemon 0770 thread_network thread_network
# Create energy-aware scheduler tuning nodes
mkdir /dev/stune/foreground
mkdir /dev/stune/background
mkdir /dev/stune/top-app
mkdir /dev/stune/rt
chown system system /dev/stune
chown system system /dev/stune/foreground
chown system system /dev/stune/background
chown system system /dev/stune/top-app
chown system system /dev/stune/rt
chown system system /dev/stune/tasks
chown system system /dev/stune/foreground/tasks
chown system system /dev/stune/background/tasks
chown system system /dev/stune/top-app/tasks
chown system system /dev/stune/rt/tasks
chown system system /dev/stune/cgroup.procs
chown system system /dev/stune/foreground/cgroup.procs
chown system system /dev/stune/background/cgroup.procs
chown system system /dev/stune/top-app/cgroup.procs
chown system system /dev/stune/rt/cgroup.procs
chmod 0664 /dev/stune/tasks
chmod 0664 /dev/stune/foreground/tasks
chmod 0664 /dev/stune/background/tasks
chmod 0664 /dev/stune/top-app/tasks
chmod 0664 /dev/stune/rt/tasks
chmod 0664 /dev/stune/cgroup.procs
chmod 0664 /dev/stune/foreground/cgroup.procs
chmod 0664 /dev/stune/background/cgroup.procs
chmod 0664 /dev/stune/top-app/cgroup.procs
chmod 0664 /dev/stune/rt/cgroup.procs
# cpuctl hierarchy for devices using utilclamp
mkdir /dev/cpuctl/foreground
mkdir /dev/cpuctl/foreground_window
@ -189,6 +220,24 @@ on init
chmod 0664 /dev/cpuctl/camera-daemon/tasks
chmod 0664 /dev/cpuctl/camera-daemon/cgroup.procs
# Create an stune group for camera-specific processes
mkdir /dev/stune/camera-daemon
chown system system /dev/stune/camera-daemon
chown system system /dev/stune/camera-daemon/tasks
chown system system /dev/stune/camera-daemon/cgroup.procs
chmod 0664 /dev/stune/camera-daemon/tasks
chmod 0664 /dev/stune/camera-daemon/cgroup.procs
# Create an stune group for NNAPI HAL processes
mkdir /dev/stune/nnapi-hal
chown system system /dev/stune/nnapi-hal
chown system system /dev/stune/nnapi-hal/tasks
chown system system /dev/stune/nnapi-hal/cgroup.procs
chmod 0664 /dev/stune/nnapi-hal/tasks
chmod 0664 /dev/stune/nnapi-hal/cgroup.procs
write /dev/stune/nnapi-hal/schedtune.boost 1
write /dev/stune/nnapi-hal/schedtune.prefer_idle 1
# Create blkio group and apply initial settings.
# This feature needs kernel to support it, and the
# device's init.rc must actually set the correct values.