solana/ci/setup-new-buildkite-agent/setup-procfs-knobs.sh

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#!/usr/bin/env bash
HERE="$(dirname "$0")"
# shellcheck source=ci/setup-new-buildkite-agent/utils.sh
source "$HERE"/utils.sh
ensure_env || exit 1
# Setup kernel constants
cat > /etc/sysctl.d/20-solana-node.conf <<EOF
# Solana networking requirements
net.core.rmem_default=134217728
net.core.rmem_max=134217728
net.core.wmem_default=134217728
net.core.wmem_max=134217728
# Solana earlyoom setup
kernel.sysrq=$(( $(cat /proc/sys/kernel/sysrq) | 64 ))
# Allow kernel and CPU perf events
kernel.perf_event_paranoid=0
EOF