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sched/doc: Update documentation after renames and synchronize Chinese version
Update the documentation after these changes, which didn't entirely propagate the changes:e23edc86b0
("sched/fair: Rename check_preempt_curr() to wakeup_preempt()")03b7fad167
("sched: Add task_struct pointer to sched_class::set_curr_task")2f88c8e802
("sched/eevdf/doc: Modify the documented knob to base_slice_ns as well") [ mingo: Reworked the changelog. ] Signed-off-by: Wenyu Huang <huangwenyu5@huawei.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: linux-kernel@vger.kernel.org
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@ -180,7 +180,7 @@ This is the (partial) list of the hooks:
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compat_yield sysctl is turned on; in that case, it places the scheduling
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entity at the right-most end of the red-black tree.
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- check_preempt_curr(...)
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- wakeup_preempt(...)
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This function checks if a task that entered the runnable state should
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preempt the currently running task.
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@ -189,10 +189,10 @@ This is the (partial) list of the hooks:
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This function chooses the most appropriate task eligible to run next.
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- set_curr_task(...)
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- set_next_task(...)
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This function is called when a task changes its scheduling class or changes
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its task group.
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This function is called when a task changes its scheduling class, changes
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its task group or is scheduled.
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- task_tick(...)
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@ -80,7 +80,7 @@ p->se.vruntime。一旦p->se.vruntime变得足够大,其它的任务将成为
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CFS使用纳秒粒度的计时,不依赖于任何jiffies或HZ的细节。因此CFS并不像之前的调度器那样
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有“时间片”的概念,也没有任何启发式的设计。唯一可调的参数(你需要打开CONFIG_SCHED_DEBUG)是:
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/sys/kernel/debug/sched/min_granularity_ns
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/sys/kernel/debug/sched/base_slice_ns
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它可以用来将调度器从“桌面”模式(也就是低时延)调节为“服务器”(也就是高批处理)模式。
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它的默认设置是适合桌面的工作负载。SCHED_BATCH也被CFS调度器模块处理。
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@ -147,7 +147,7 @@ array)。
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这个函数的行为基本上是出队,紧接着入队,除非compat_yield sysctl被开启。在那种情况下,
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它将调度实体放在红黑树的最右端。
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- check_preempt_curr(...)
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- wakeup_preempt(...)
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这个函数检查进入可运行状态的任务能否抢占当前正在运行的任务。
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@ -155,9 +155,9 @@ array)。
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这个函数选择接下来最适合运行的任务。
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- set_curr_task(...)
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- set_next_task(...)
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这个函数在任务改变调度类或改变任务组时被调用。
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这个函数在任务改变调度类,改变任务组时,或者任务被调度时被调用。
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- task_tick(...)
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