Bug 44672

Summary:	power down USB bluetooth and PCI devices
Product:	pm-utils	Reporter:	Martin Pitt <martin.pitt>
Component:	General	Assignee:	Richard Hughes <richard>
Status:	RESOLVED WONTFIX	QA Contact:
Severity:	enhancement
Priority:	medium	CC:	colin.king
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:
Attachments:	power.d script for autosuspending USB bluetooth devices power.d script for autosuspending safe subset of PCI devices

Description Martin Pitt 2012-01-11 04:55:59 UTC

Created attachment 55424 [details]
power.d script for autosuspending USB bluetooth devices

From https://launchpad.net/bugs/911325:

Colin King spent some days doing extensive and accurate power benchmarking [1],
amongst others the effect of the low-power modes of various hardware.

Here are two scripts which handle USB bluetooth adapters and a subset of PCI devices which are safe to turn into low-power mode.

Typical savings: 0.38 W per machine with some machines seeing > 1-2W savings.

[1] http://zinc.canonical.com/~cking/power-benchmarking/

Comment 1 Martin Pitt 2012-01-11 04:57:01 UTC

Created attachment 55425 [details]
power.d script for autosuspending safe subset of PCI devices

Comment 2 Adam Jackson 2018-06-29 19:57:15 UTC

pm-utils hasn't been touched in eight years, none of this is likely to get addressed. Closing bugs and disabling the bz product.

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