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| author | Yongqin Liu <yongqin.liu@linaro.org> | 2016-09-19 15:32:26 +0100 |
|---|---|---|
| committer | Yongqin Liu <yongqin.liu@linaro.org> | 2016-09-19 18:02:21 +0100 |
| commit | f39a1dccd532633bfb03e0bd99a79e486dcfdc18 (patch) | |
| tree | eb1676c6540a9fe7e4af537cc2fa485eca557317 | |
| parent | b7cb91a0125f940ba64dc8f99b6e7f3d245a0f0f (diff) | |
| download | juno-RLCR-16.09.tar.gz | |
cpuset settings for using EAS efficiently.RLCR-16.09
set cpuset top-app with all cpus, and enabled ENABLE_SCHEDBOOST
Change-Id: I6b7e777cfb65de52465cb803ce18eda09da19dca
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
| -rw-r--r-- | BoardConfig.mk | 3 | ||||
| -rwxr-xr-x | setcpuset.sh | 24 |
2 files changed, 15 insertions, 12 deletions
diff --git a/BoardConfig.mk b/BoardConfig.mk index 946a5f5..1408fef 100644 --- a/BoardConfig.mk +++ b/BoardConfig.mk @@ -30,7 +30,8 @@ USE_OPENGL_RENDERER := true BIONIC_TESTS ?= true ENABLE_CPUSETS := true -ENABLE_SCHED_BOOST := true +ENABLE_SCHEDBOOST := true +ENABLE_SCHED_BOOST := false ifeq ($(strip $(USE_LINARO_TOOLCHAIN)),true) # 64bit toolchain diff --git a/setcpuset.sh b/setcpuset.sh index bf1da87..573a54e 100755 --- a/setcpuset.sh +++ b/setcpuset.sh @@ -3,6 +3,8 @@ BIG_CPUS= LITTLE_CPUS= FIRST_LITTLE_CPU= +FIRST_BIG_CPU= +ALL_CPUS_NO_FIRST_BIG_CPU= ALL_CPUS= for cpufile in /sys/devices/system/cpu/cpu*/uevent; do cpunum=${cpufile#/sys/devices/system/cpu/cpu} @@ -14,28 +16,28 @@ for cpufile in /sys/devices/system/cpu/cpu*/uevent; do elif grep -q -e 'cortex-a57' -e 'cortex-a72' $cpufile; then echo CPU $cpunum is big core BIG_CPUS=${BIG_CPUS:+$BIG_CPUS,}$cpunum + FIRST_BIG_CPU=${FIRST_BIG_CPU:-$cpunum} else echo CPU $cpunum is unknown type fi ALL_CPUS=${ALL_CPUS:+$ALL_CPUS,}$cpunum + # not consider the case that there is no big cp on line + if [ "X$cpunum" != "X$FIRST_BIG_CPU" ]; then + ALL_CPUS_NO_FIRST_BIG_CPU=${ALL_CPUS_NO_FIRST_BIG_CPU:+$ALL_CPUS_NO_FIRST_BIG_CPU,}$cpunum + fi done echo BIG_CPUS=$BIG_CPUS echo LITTLE_CPUS=$LITTLE_CPUS echo FIRST_LITTLE_CPU=$FIRST_LITTLE_CPU +echo FIRST_BIG_CPU=$FIRST_BIG_CPU +echo ALL_CPUS_NO_FIRST_BIG_CPU=$ALL_CPUS_NO_FIRST_BIG_CPU # Foreground should contain all cores -echo $ALL_CPUS >/dev/cpuset/foreground/cpus +# Reserve first big cpu for top-app +echo ${ALL_CPUS_NO_FIRST_BIG_CPU:-$ALL_CPUS} >/dev/cpuset/foreground/cpus -# Add foreground/boost cpuset, it 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. -if [ -n "${BIG_CPUS}" ]; then - echo $BIG_CPUS >/dev/cpuset/foreground/boost/cpus -else - # set with all cpus if not found any BIG_CPUS - echo $ALL_CPUS >/dev/cpuset/foreground/boost/cpus -fi +# top-app gets all cpus +echo $ALL_CPUS >/dev/cpuset/top-app/cpus #background contains a small subset (generally one little core) if [ -n "${FIRST_LITTLE_CPU}" ]; then |