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author | Luca Di Stefano <luca.distefano@linaro.org> | 2019-09-17 11:35:23 +0000 |
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committer | Linaro Code Review <review@review.linaro.org> | 2019-09-17 11:35:23 +0000 |
commit | a676d44ab003cd69b1fc9998ea099b7d7cb9fbeb (patch) | |
tree | 5e72737a2c6fa4c2f4ddddb204c638e91b9cdcf5 /playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02 | |
parent | 96e2f0dcbfa81126831173a4bc6788edfaab2e19 (diff) | |
parent | 9ac732c0883bded548d83f9bc02e20328fe0593b (diff) |
Diffstat (limited to 'playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02')
-rw-r--r-- | playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02 b/playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02 new file mode 100644 index 0000000..5819171 --- /dev/null +++ b/playbooks/roles/tcwg-tk1-cpucore/files/rc.local_llvm-tk1-02 @@ -0,0 +1,39 @@ +#!/bin/sh -e +# +# rc.local +# +# This script is executed at the end of each multiuser runlevel. +# Make sure that the script will "exit 0" on success or any other +# value on error. +# +# In order to enable or disable this script just change the execution +# bits. +# +# By default this script does nothing. + +rm -f /tmp/rc_local.log +exec 1>/tmp/rc_local.log 2>&1 +set -x + +# Bring all CPUs online +echo 0 > /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet/enable +for cpu in /sys/devices/system/cpu/cpu[0-3]; do + if [ x"$(cat $cpu/online)" = x"0" ]; then + echo 1 > $cpu/online + fi +done + +# Make sure docker containers are configured to use all CPUs. +for cpuset in $(find /sys/fs/cgroup/cpuset/ -name cpuset.cpus); do + echo 0-3 > $cpuset +done + +# We fix CPU frequency to 90% of the max. +cpupower -c 0,1,2,3 frequency-set --governor performance --min 2116500 --max 2116500 + +# Allow perf profiling +sysctl kernel.kptr_restrict=0 +sysctl kernel.perf_event_mlock_kb=1024 +sysctl kernel.perf_event_paranoid=0 + +exit 0 |