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

Commit 3a29e344 authored by Tim Murray's avatar Tim Murray
Browse files

Update FIFO settings for new uses of FIFO. 

Adjust FIFO timings as well as allow SurfaceFlinger to use FIFO.

bug 24503801

Change-Id: I2c21d4c1788777c2d0d77227bb872701b35c4ff6
parent 94ededa3

libcutils/fs_config.c

+3 −0
Original line number Diff line number Diff line
@@ -142,6 +142,9 @@ static const struct fs_path_config android_files[] = { 
    { 00750, AID_ROOT,      AID_SHELL,     CAP_MASK_LONG(CAP_SETUID) | CAP_MASK_LONG(CAP_SETGID), "system/bin/run-as" },

    { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND), "system/bin/inputflinger" },



    /* Support FIFO scheduling mode in SurfaceFlinger. */

    { 00755, AID_SYSTEM,    AID_GRAPHICS,     CAP_MASK_LONG(CAP_SYS_NICE), "system/bin/surfaceflinger" },



    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/uncrypt" },

    { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },

    { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/*" },

rootdir/init.rc

+3 −2
Original line number Diff line number Diff line
@@ -136,16 +136,17 @@ on init 
    chown system system /dev/cpuctl/tasks

    chmod 0666 /dev/cpuctl/tasks

    write /dev/cpuctl/cpu.shares 1024

    write /dev/cpuctl/cpu.rt_runtime_us 800000

    write /dev/cpuctl/cpu.rt_period_us 1000000

    write /dev/cpuctl/cpu.rt_runtime_us 950000



    mkdir /dev/cpuctl/bg_non_interactive

    chown system system /dev/cpuctl/bg_non_interactive/tasks

    chmod 0666 /dev/cpuctl/bg_non_interactive/tasks

    # 5.0 %

    write /dev/cpuctl/bg_non_interactive/cpu.shares 52

    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 700000

    write /dev/cpuctl/bg_non_interactive/cpu.rt_period_us 1000000

    # active FIFO threads will never be in BG

    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 10000



    # sets up initial cpusets for ActivityManager

    mkdir /dev/cpuset