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/linux/Documentation/translations/zh_CN/scheduler/
H A Dsched-capacity.rst47 调度器使用了两种不同的算力值。CPU的 ``capacity_orig`` 是它的最大可达算力,即最大可达性能等级。
48 CPU的 ``capacity`` 是 ``capacity_orig`` 扣除了一些性能损失(比如处理中断的耗时)的值。
50 注意CPU的 ``capacity`` 仅仅被设计用于CFS调度类,而 ``capacity_orig`` 是不感知调度类的。为
51 简洁起见,本文档的剩余部分将不加区分的使用术语 ``capacity`` 和 ``capacity_orig`` 。
/linux/kernel/sched/
H A Dfair.c4977 unsigned long capacity_orig; in util_fits_cpu() local
5008 capacity_orig = arch_scale_cpu_capacity(cpu); in util_fits_cpu()
5047 uclamp_max_fits = (capacity_orig == SCHED_CAPACITY_SCALE) && (uclamp_max == SCHED_CAPACITY_SCALE); in util_fits_cpu()
5048 uclamp_max_fits = !uclamp_max_fits && (uclamp_max <= capacity_orig); in util_fits_cpu()