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Commit 3985dda1 authored by Tim Murray's avatar Tim Murray
Browse files

Add foreground/boost cpuset. 

This is used for app launches (and maybe other high priority tasks
in the future). It's to be set to whatever cores should be used
for short term high-priority tasks.

bug 21915482

Change-Id: Id0ab0499146c09e860b97f4cb8095834cb12dd50
parent a77a0487

rootdir/init.rc

+6 −0
Original line number Diff line number Diff line
@@ -140,20 +140,26 @@ on init 
    mkdir /dev/cpuset

    mount cpuset none /dev/cpuset

    mkdir /dev/cpuset/foreground

    mkdir /dev/cpuset/foreground/boost

    mkdir /dev/cpuset/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/foreground/mems 0

    write /dev/cpuset/foreground/boost/mems 0

    write /dev/cpuset/background/mems 0

    chown system system /dev/cpuset

    chown system system /dev/cpuset/foreground

    chown system system /dev/cpuset/foreground/boost

    chown system system /dev/cpuset/background

    chown system system /dev/cpuset/tasks

    chown system system /dev/cpuset/foreground/tasks

    chown system system /dev/cpuset/foreground/boost/tasks

    chown system system /dev/cpuset/background/tasks

    chmod 0664 /dev/cpuset/foreground/tasks

    chmod 0664 /dev/cpuset/foreground/boost/tasks

    chmod 0664 /dev/cpuset/background/tasks

    chmod 0664 /dev/cpuset/tasks