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add system-background cpuset

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add a new cpuset for system services that should not run on
larger cores

bug 24144797

Change-Id: I21a54f0d6b46b3b8bd8c4564b8685c88cfc4a57d
This commit is contained in:
Tim Murray 2015-09-18 13:18:49 -07:00
parent 93807d472d
commit cba6ad7449
1 changed files with 14 additions and 0 deletions
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14
rootdir/init.rc
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@ -143,14 +143,20 @@ on init
mkdir /dev/cpuset/foreground
mkdir /dev/cpuset/foreground/boost
mkdir /dev/cpuset/background
# system-background is for system tasks that should only run on
# little cores, not on bigs
# to be used only by init, so don't change the permissions
mkdir /dev/cpuset/system-background
# this ensures that the cpusets are present and usable, but the device's
# init.rc must actually set the correct cpus
write /dev/cpuset/foreground/cpus 0
write /dev/cpuset/foreground/boost/cpus 0
write /dev/cpuset/background/cpus 0
write /dev/cpuset/system-background/cpus 0
write /dev/cpuset/foreground/mems 0
write /dev/cpuset/foreground/boost/mems 0
write /dev/cpuset/background/mems 0
write /dev/cpuset/system-background/mems 0
chown system system /dev/cpuset
chown system system /dev/cpuset/foreground
chown system system /dev/cpuset/foreground/boost
@ -548,9 +554,11 @@ service logd /system/bin/logd
socket logdr seqpacket 0666 logd logd
socket logdw dgram 0222 logd logd
group root system
writepid /dev/cpuset/system-background/tasks
service logd-reinit /system/bin/logd --reinit
oneshot
writepid /dev/cpuset/system-background/tasks
disabled
service healthd /sbin/healthd
@ -585,6 +593,7 @@ service lmkd /system/bin/lmkd
class core
critical
socket lmkd seqpacket 0660 system system
writepid /dev/cpuset/system-background/tasks
service servicemanager /system/bin/servicemanager
class core
@ -614,9 +623,11 @@ service netd /system/bin/netd
service debuggerd /system/bin/debuggerd
class main
writepid /dev/cpuset/system-background/tasks
service debuggerd64 /system/bin/debuggerd64
class main
writepid /dev/cpuset/system-background/tasks
service ril-daemon /system/bin/rild
class main
@ -631,6 +642,7 @@ service surfaceflinger /system/bin/surfaceflinger
user system
group graphics drmrpc
onrestart restart zygote
writepid /dev/cpuset/system-background/tasks
service drm /system/bin/drmserver
class main
@ -725,6 +737,7 @@ service perfprofd /system/xbin/perfprofd
class late_start
user root
oneshot
writepid /dev/cpuset/system-background/tasks
on property:persist.logd.logpersistd=logcatd
# all exec/services are called with umask(077), so no gain beyond 0700
@ -739,3 +752,4 @@ service logcatd /system/bin/logcat -b all -v threadtime -v usec -v printable -D
# logd for write to /data/misc/logd, log group for read from log daemon
user logd
group log
writepid /dev/cpuset/system-background/tasks