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CFS调度器之虚拟时钟...

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gatieme
2016-06-29 14:44:58 +08:00
parent 1634f39249
commit ead9448bf9
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study/kernel/01-process/05-schedule/04-cfs/02-vruntime/README.md
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@@ -121,7 +121,8 @@ static inline u64 calc_delta_fair(u64 delta, struct sched_entity *se)
忽略舍入和溢出检查, calc_delta_fair函数所做的就是根据下列公式计算:
$\dfrac{a}{b}$
$$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$$
\\(x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\)
$$ delta =delta \times \dfrac{NICE\_0\_LOAD}{curr->se->load.weight}$$