Настройки TLP проигнорированы

У меня есть мой /etc/default/tlp набор так, чтобы, когда на батарее, ЦП масштабируется между 30% и 60%. Выполнение tlp-stat -p (вывод ниже), я вижу, что те настройки распознаются. Однако фактические показанные диапазоны ЦП составляют 1170 МГц и 2340 МГц. Почему это?

--- TLP 1.0 --------------------------------------------

+++ Processor
CPU model      = Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz

/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors = performance powersave
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq  =  1170000 [kHz]
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq  =  2340000 [kHz]
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference = balance_power
/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power 

/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu1/cpufreq/scaling_available_governors = performance powersave
/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq  =  1170000 [kHz]
/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq  =  2340000 [kHz]
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_preference = balance_power
/sys/devices/system/cpu/cpu1/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power 

/sys/devices/system/cpu/cpu2/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu2/cpufreq/scaling_available_governors = performance powersave
/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq  =  1170000 [kHz]
/sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq  =  2340000 [kHz]
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_preference = balance_power
/sys/devices/system/cpu/cpu2/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power 

/sys/devices/system/cpu/cpu3/cpufreq/scaling_driver    = intel_pstate
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor  = powersave
/sys/devices/system/cpu/cpu3/cpufreq/scaling_available_governors = performance powersave
/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq  =  1170000 [kHz]
/sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq  =  2340000 [kHz]
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_preference = balance_power
/sys/devices/system/cpu/cpu3/cpufreq/energy_performance_available_preferences = default performance balance_performance balance_power power 

/sys/devices/system/cpu/intel_pstate/min_perf_pct      =  30 [%]
/sys/devices/system/cpu/intel_pstate/max_perf_pct      =  60 [%]
/sys/devices/system/cpu/intel_pstate/no_turbo          =   1
/sys/devices/system/cpu/intel_pstate/turbo_pct         =  34 [%]
/sys/devices/system/cpu/intel_pstate/num_pstates       =  36

x86_energy_perf_policy.cpu0                            = powersave
x86_energy_perf_policy.cpu1                            = powersave
x86_energy_perf_policy.cpu2                            = powersave
x86_energy_perf_policy.cpu3                            = powersave

/sys/module/workqueue/parameters/power_efficient       = Y
/proc/sys/kernel/nmi_watchdog                          = 0

+++ Undervolting
PHC kernel not available.
0
задан 12 July 2017 в 18:30

1 ответ

Ваш процессор показывается Intel(R) Core(TM) i7-7600U CPU 2.80 ГГц, который имеет максимальную турбо частоту 3,90 ГГц. Так как турбо включено, 3,90 ГГц равняется 100%-й частоте ЦП и:

3.90 * 60% = 2,34 ГГц.
3.90 * 30% = 1,17 ГГц.

1
ответ дан 2 November 2019 в 22:39

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