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Tasklist

FS#7148 - Make kernel26 more laptop friendly and suitable for Intel's powertop

Attached to Project: Arch Linux
Opened by Nick Schermer (xerverius) - Sunday, 13 May 2007, 12:17 GMT
Last edited by Roman Kyrylych (Romashka) - Sunday, 13 May 2007, 16:17 GMT
Task Type Feature Request
Category Kernel
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version 0.8 Voodoo
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

It would be nice if the CONFIG_TIMER_STATS option could be enabled in the kernel config. This to use the new Intel powertop utility with the stock arch kernel.

The program also suggests to enable the CONFIG_USB_SUSPEND option, duno how this affect the stability of the usb drivers and if it has disadvantages for desktop users...

It also suggest to disable the CONFIG_IRQBALANCE option. It says: "The in-kernel irq balancer is obsolete and wakes the CPU up far more than needed."

I hope you consider these options and hopefully it will make the arch kernel more laptop friendly. You can find all the application suggestions here: http://powertop.googlecode.com/svn/trunk/powertop.c scroll to the bottom of the document, but it seems the other suggestions are all available by loading modules or already enabled.
This task depends upon

Closed by  Roman Kyrylych (Romashka)
Sunday, 13 May 2007, 16:17 GMT
Reason for closing:  Duplicate
Additional comments about closing:  http://bugs.archlinux.org/task/7135
It is better to create custom kernel package or join forces in creating specific kernel package for laptops
Comment by Nick Schermer (xerverius) - Sunday, 13 May 2007, 13:09 GMT
Regarding irq balance: Intel started a project [1] to move irq balancing to user-space. Maybe worth looking at in the feature since they claim it should improve performance (other distributions are also 'using' this [2]), but better leave CONFIG_IRQBALANCE how it is atm.

[1] http://irqbalance.org/
[2] http://packages.debian.org/unstable/utils/irqbalance
Comment by Mircea Bardac (IceRAM) - Sunday, 13 May 2007, 14:01 GMT
This might be a duplicate of http://bugs.archlinux.org/task/7135

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