cpu scaling updated for newer kernels

1 files changed, 4 insertions, 1 deletions

diff --git a/afl-system-config b/afl-system-config
index 7538bc29..fa24d473 100755
--- a/afl-system-config
+++ b/afl-system-config
@@ -7,8 +7,11 @@ sysctl -w kernel.sched_autogroup_enabled=1
 sysctl -w kernel.sched_migration_cost_ns=50000000
 sysctl -w kernel.sched_latency_ns=250000000
 echo never > /sys/kernel/mm/transparent_hugepage/enabled
-echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor > /dev/null
+test -e /sys/devices/system/cpu/cpufreq/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpufreq/scaling_governor
+test -e /sys/devices/system/cpu/cpufreq/policy0/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpufreq/policy*/scaling_governor
+test -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
 test -e /sys/devices/system/cpu/intel_pstate/no_turbo && echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo
+test -e /sys/devices/system/cpu/cpufreq/boost && echo 1 > /sys/devices/system/cpu/cpufreq/boost
 echo
 echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this:
 echo '/etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off"'