根据这个帖子,控制进程调度程序有三个内核参数:
kernel.sched_min_granularity_ns
kernel.sched_latency_ns
kernel.sched_wakeup_granularity_ns
然而,在我的系统,即Ubuntu,我没有看到他们。相反,存在以下变量:
$ sudo sysctl -A | grep sched
kernel.sched_autogroup_enabled = 1
kernel.sched_cfs_bandwidth_slice_us = 5000
kernel.sched_child_runs_first = 0
kernel.sched_deadline_period_max_us = 4194304
kernel.sched_deadline_period_min_us = 100
kernel.sched_energy_aware = 1
kernel.sched_rr_timeslice_ms = 100
kernel.sched_rt_period_us = 1000000
kernel.sched_rt_runtime_us = 950000
kernel.sched_schedstats = 0
kernel.sched_util_clamp_max = 1024
kernel.sched_util_clamp_min = 1024
kernel.sched_util_clamp_min_rt_default = 1024
$ uname -r
5.13.0-27-generic
问题是,我应该手动设置它们,还是用其他变量替换它们?
发布于 2022-04-09 06:54:01
https://forum.endeavouros.com/t/sysctl-output-changed-from-kernel-5-10-to-5-13-why/17097说他们已经被移动到/sys/内核/调试/sched
https://unix.stackexchange.com/questions/698603
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