Commit 0257e5a3 authored by Wenyu Huang's avatar Wenyu Huang Committed by Ingo Molnar
Browse files

sched/doc: Update documentation after renames and synchronize Chinese version 



Update the documentation after these changes, which didn't entirely
propagate the changes:

 e23edc86 ("sched/fair: Rename check_preempt_curr() to wakeup_preempt()")
 03b7fad1 ("sched: Add task_struct pointer to sched_class::set_curr_task")
 2f88c8e8 ("sched/eevdf/doc: Modify the documented knob to base_slice_ns as well")

[ mingo: Reworked the changelog. ]

Signed-off-by: default avatarWenyu Huang <huangwenyu5@huawei.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org
parent f1256077

Documentation/scheduler/sched-design-CFS.rst

+4 −4
Original line number Diff line number Diff line
@@ -180,7 +180,7 @@ This is the (partial) list of the hooks: 
   compat_yield sysctl is turned on; in that case, it places the scheduling

   entity at the right-most end of the red-black tree.



 - check_preempt_curr(...)

 - wakeup_preempt(...)



   This function checks if a task that entered the runnable state should

   preempt the currently running task.
@@ -189,10 +189,10 @@ This is the (partial) list of the hooks: 


   This function chooses the most appropriate task eligible to run next.



 - set_curr_task(...)

 - set_next_task(...)



   This function is called when a task changes its scheduling class or changes

   its task group.

   This function is called when a task changes its scheduling class, changes

   its task group or is scheduled.



 - task_tick(...)

Documentation/translations/zh_CN/scheduler/sched-design-CFS.rst

+4 −4
Original line number Diff line number Diff line
@@ -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 
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

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：



   /sys/kernel/debug/sched/min_granularity_ns

   /sys/kernel/debug/sched/base_slice_ns



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。

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。
@@ -147,7 +147,7 @@ array）。 
   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，

   它将调度实体放在红黑树的最右端。



 - check_preempt_curr(...)

 - wakeup_preempt(...)



   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。
@@ -155,9 +155,9 @@ array）。 


   这个函数选择接下来最适合运行的任务。



 - set_curr_task(...)

 - set_next_task(...)



   这个函数在任务改变调度类或改变任务组时被调用。

   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。



 - task_tick(...)