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interfaces/{cpu,power}-control: add more accesses for commercial device tuning #11404

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Feb 22, 2022
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interfaces/{cpu,power}-control: add more accesses for commercial device tuning #11404

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23 changes: 23 additions & 0 deletions interfaces/builtin/cpu_control.go
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Original file line number Diff line number Diff line change
Expand Up @@ -36,13 +36,29 @@ const cpuControlConnectedPlugAppArmor = `
/sys/devices/system/cpu/smt/* r,
/sys/devices/system/cpu/smt/control w,

/sys/module/cpu_boost/parameters/input_boost_freq rw,
/sys/module/cpu_boost/parameters/input_boost_ms rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/cpufreq/scaling_min_freq rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/cpufreq/scaling_max_freq rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/min_cpus rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/busy_up_thres rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/busy_down_thres rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/offline_delay_ms rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/task_thres rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/nr_prev_assist_thresh rw,
/sys/devices/system/cpu/cpu[0-9][0-9]*/core_ctl/enable rw,

# https://www.kernel.org/doc/html/latest/admin-guide/pm/cpufreq.html#policy-interface-in-sysfs
/sys/devices/system/cpu/cpufreq/{,**} r,
/sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference w,
/sys/devices/system/cpu/cpufreq/policy*/scaling_governor w,
/sys/devices/system/cpu/cpufreq/policy*/scaling_max_freq w,
/sys/devices/system/cpu/cpufreq/policy*/scaling_min_freq w,
/sys/devices/system/cpu/cpufreq/policy*/scaling_setspeed w,
/sys/devices/system/cpu/cpufreq/policy*/schedutil/up_rate_limit_us rw,
/sys/devices/system/cpu/cpufreq/policy*/schedutil/down_rate_limit_us rw,
/sys/devices/system/cpu/cpufreq/policy*/schedutil/hispeed_freq rw,
/sys/devices/system/cpu/cpufreq/policy*/schedutil/pl rw,
/sys/devices/system/cpu/cpufreq/boost w,

# https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_pstate.html#user-space-interface-in-sysfs
Expand All @@ -52,6 +68,13 @@ const cpuControlConnectedPlugAppArmor = `
/sys/devices/system/cpu/intel_pstate/min_perf_pct w,
/sys/devices/system/cpu/intel_pstate/no_turbo w,
/sys/devices/system/cpu/intel_pstate/status w,

/proc/sys/kernel/sched_upmigrate rw,
/proc/sys/kernel/sched_downmigrate rw,
/proc/sys/kernel/sched_group_upmigrate rw,
/proc/sys/kernel/sched_group_downmigrate rw,
/proc/sys/kernel/sched_walt_rotate_big_tasks rw,
/proc/sys/kernel/sched_boost rw,
`

func init() {
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3 changes: 3 additions & 0 deletions interfaces/builtin/power_control.go
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,9 @@ const powerControlConnectedPlugAppArmor = `
#/sys/devices/**/power/async w,
#/sys/devices/**/power/autosuspend_delay_ms w,
#/sys/devices/**/power/pm_qos* w,

# for android kernels, see https://android.googlesource.com/kernel/msm/+/android-msm-bullhead-3.10-marshmallow-dr/Documentation/devicetree/bindings/arm/msm/lpm-levels.txt
/sys/module/lpm_levels/parameters/sleep_disabled rw,
`

func init() {
Expand Down