Initial skeleton for experimental scripts

configs/5.15.79-peter.sh

+IS_CUSTOM_KERNEL=true
+KERNEL_SRC=/home/p5cai/workspace/linux
+CPUPOWER=$KERNEL_SRC/tools/power/cpupower/cpupower
+X86_ENERGY_PERF_POLICY=$KERNEL_SRC/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy
+export LD_LIBRARY_PATH="$LD_LIBRARY_PATH":"$KERNEL_SRC/tools/power/cpupower"

configs/base.sh

+IS_CUSTOM_KERNEL=false
+CPUPOWER=cpupower
+X86_ENERGY_PERF_POLICY=x86_energy_perf_policy

run.sh

+#!/usr/bin/env bash
+
+set -e
+
+if [ "$UID" -ne 0 ]; then
+    echo "Script must be run as root"
+    exit 1
+fi
+
+source ./configs/base.sh
+
+if [ -e "./configs/$(uname -r).sh" ]; then
+    echo "Loading kernel-specific config for $(uname -r)"
+    source ./configs/$(uname -r).sh
+fi
+
+source ./tunings/base.sh

tunings/base.sh

+# Networking parameters
+sysctl -w net.core.somaxconn=1048576
+sysctl -w net.ipv4.tcp_max_syn_backlog=262144
+sysctl -w net.ipv4.tcp_tw_reuse=1
+sysctl -w net.ipv4.ip_local_port_range="1024 65535"
+sysctl -w vm.max_map_count=2097152
+
+# Debugging options
+echo 0 > /proc/sys/kernel/yama/ptrace_scope         # gdb attach
+echo -1 > /proc/sys/kernel/perf_event_paranoid      # perf anything
+echo 0 > /proc/sys/kernel/kptr_restrict             # perf tracing
+echo 0 > /proc/sys/kernel/nmi_watchdog              # perf cache tracing
+
+# CPU frequency
+$X86_ENERGY_PERF_POLICY --turbo-enable 0
+$CPUPOWER frequency-set -f 2.7GHz