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Update FIFO settings for new uses of FIFO. 

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

bug 24503801

Change-Id: I2c21d4c1788777c2d0d77227bb872701b35c4ff6
This commit is contained in:
Tim Murray 2016-06-17 14:02:16 -07:00
parent 94ededa387
commit 3a29e344b0
2 changed files with 6 additions and 2 deletions
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3
libcutils/fs_config.c
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@ -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/*" },

5
rootdir/init.rc
View File

@ -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