| # Copyright 2022 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This policy file targets only /sys/devices/system/cpu, which needs regexp |
| # rules. Directories which do not need regexp should be located in genfscon |
| # instead. If you add a new directory, update chromeos_startup, too. |
| # |
| # Rules here are expensive from the perspective of the boot time. This policy |
| # file is applied during the boot by chromeos_startup, and that delays the whole |
| # ChromeOS boot time, since it's a critical path. |
| |
| # /sys/devices/system/cpu is labeld as sysfs_devices_system_cpu by genfscon. |
| # Label writable files as u:object_r:sysfs:s0 to disallow regular apps to access |
| # them. |
| /sys/devices/system/cpu/cpufreq/ondemand/ignore_nice_load u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/ondemand/io_is_busy u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/ondemand/powersave_bias u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/ondemand/sampling_rate u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/ondemand/up_threshold u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/schedutil/down_rate_limit_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/schedutil/up_rate_limit_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/schedutil/rate_limit_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/cpb u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/stats/reset u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?hotplug/fail u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?hotplug/target u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?power/async u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?power/autosuspend_delay_ms u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?power/control u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?power/pm_qos_resume_latency_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?(cache/)?(index[0-9]+/)?uevent u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?above_hispeed_delay u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?boost u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?boostpulse u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?boostpulse_duration u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?go_hispeed_load u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?hispeed_freq u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?io_is_busy u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?min_sample_time u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?target_loads u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?timer_rate u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpufreq/(interactive/)?timer_slack u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/(cpu[0-9]+/)?cpuidle/(state[0-9]+/)?disable u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpu[0-9]+/cpufreq/scaling_governor u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpu[0-9]+/cpufreq/scaling_max_freq u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpu[0-9]+/cpufreq/scaling_min_freq u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpu[0-9]+/cpufreq/scaling_setspeed u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpu[0-9]+/cpuidle/state[0-9]+/disable u:object_r:sysfs:s0 |
| # For Intel |
| /sys/devices/system/cpu/(cpu[0-9]+/)?power/energy_perf_bias u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]*/energy_performance_preference u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/intel_pstate/hwp_dynamic_boost u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/intel_pstate/max_perf_pct u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/intel_pstate/min_perf_pct u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/intel_pstate/no_turbo u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/intel_pstate/status u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/microcode/reload u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/smt/control u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/umwait_control/enable_c02 u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/umwait_control/max_time u:object_r:sysfs:s0 |
| # For ARM |
| /sys/devices/system/cpu/cpu[0-9]+/online u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/scaling_governor u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/scaling_max_freq u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/scaling_min_freq u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/scaling_setspeed u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/sched/down_throttle_nsec u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/sched/up_throttle_nsec u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/schedutil/down_rate_limit_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/schedutil/up_rate_limit_us u:object_r:sysfs:s0 |
| /sys/devices/system/cpu/cpufreq/policy[0-9]+/schedutil/rate_limit_us u:object_r:sysfs:s0 |
