FS#9039 - Tickless kernel

Attached to Project: Arch Linux
Opened by Erwin Van de Velde (evdvelde) - Friday, 28 December 2007, 18:19 GMT
Last edited by Tobias Powalowski (tpowa) - Saturday, 29 December 2007, 09:13 GMT
Task Type Feature Request
Category Kernel
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version 2007.08-2
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

PowerTop (package in community) gives the following advice:
"Suggestion: Enable the CONFIG_NO_HZ kernel configuration option.
This option is required to get any kind of longer sleep times in the CPU."

Could you please enable this option in the default kernel configuration? After some googling I did not came across negative effects and (minor) positive effects on power consumption.

Additional info:
* package version(s)
powertop 1.9-1
kernel26 2.6.23.12-3
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Saturday, 29 December 2007, 09:13 GMT
Reason for closing:  Deferred
Comment by Erwin Van de Velde (evdvelde) - Friday, 28 December 2007, 23:07 GMT
Correction: I m using x86_64 and it seems that for this architecture, the option is not implemented yet in the 2.6.23 kernel but will be implemented in the 2.6.24. Apologies for filing this bug report and please defer it till the next kernel version arrives.

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