kernel thread ?

kernel thread ?

[Mark Hounschell]

Can someone point me to documentation on what exactly all these
kernel threads are.

[migration/0]
[ksoftirqd/0]
[migration/1]
[ksoftirqd/1]
[events/0]
[events/1]
[khelper]
[kthread]
[kblockd/0]
[kblockd/1]
[kacpid]
[cqueue/0]
[cqueue/1]
[kseriod]
[pdflush]
[pdflush]
[kswapd0]
[aio/0]
[aio/1]
[kpsmoused]
[scsi_eh_0]
[scsi_eh_1]

Thanks in advance
Mark
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Re: kernel thread ?

[Rajat Jain]

I know some of them.


> [migration/0]

Per CPU threads to migrate processes between processors.

> [ksoftirqd/0]

Per CPU threads to execute softirqs & tasklets (bottom half
mechanisms), if they are not executed upon return of interrupt.

> [migration/1]
> [ksoftirqd/1]
> [events/0]
> [events/1]
> [khelper]
> [kthread]
> [kblockd/0]
> [kblockd/1]
> [kacpid]
> [cqueue/0]
> [cqueue/1]
> [kseriod]
> [pdflush]
> [pdflush]

Thread to periodically flush dirty pages from page cache to the disk

> [kswapd0]

The swapper thread.

> [aio/0]
> [aio/1]
> [kpsmoused]
> [scsi_eh_0]
> [scsi_eh_1]
>
SCSI error handler thread.
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