Function report |
Source Code:kernel\sched\core.c |
Create Date:2022-07-28 09:35:58 |
Last Modify:2022-05-22 13:40:38 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Consumers of these two interfaces, like for example the cpuidle menu* governor, are using nonsensical data. Preferring shallow idle state selection* for a CPU that has IO-wait which might not even end up running the task when* it does become runnable.
Proto:unsigned long nr_iowait_cpu(int cpu)
Type:unsigned long
Parameter:
Type | Parameter | Name |
---|---|---|
int | cpu |
3447 | Return atomic_read( & nr_iowait) |
Name | Describe |
---|---|
nr_iowait | IO-wait accounting, and how its mostly bollocks (on SMP).* The idea behind IO-wait account is to account the idle time that we could* have spend running if it were not for IO. That is, if we were to improve the |
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