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有关linux 中IPA的相关问题

1.在linux-5.15.11/driver/thermal/gov_power_allocator.c中,PID三个参数计算如下

kpu = 2 * sustainable_power / (control_temperature - current_temperature)

kpo = sustainable_power / (control_temperature - current_temperature)

ki = kpu / 10

kd = 0

请问三个参数为什么这样计算,这样计算的意义在哪?

2.IPA从计算功率,分配功率到设置状态整个过程的周期大概是多少?

  • 上面公式描述错了,因该如下:

    kpu = 2 * sustainable_power / (control_temperature - switch on temperature)

    kpo = sustainable_power / (control_temperature - switch on temperature)

    ki = kpu / 10

    kd = 0