init/rt-limits.conf

# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description     "configure rt runtime limits"
author          "chromium-os-dev@chromium.org"

start on starting system-services
task

script
  write_log() {
    logger -t "${UPSTART_JOB}" "failed to write $1"
  }

  # set cgroup based limits.
  echo 1000000 > /sys/fs/cgroup/cpu/cpu.rt_period_us || write_log cpu.rt_period_us
  echo 800000 > /sys/fs/cgroup/cpu/cpu.rt_runtime_us || write_log cpu.rt_runtime_us

  # set system-wide limit
  echo 1000000 > /proc/sys/kernel/sched_rt_period_us || write_log sched_rt_period_us
  echo 800000 > /proc/sys/kernel/sched_rt_runtime_us || write_log sched_rt_runtime_us
end script