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    SubjectRe: [GIT PULL] PM updates for 2.6.33
    On Sunday 06 December 2009, Arjan van de Ven wrote:
    > On Sun, 6 Dec 2009 00:55:36 +0100
    > "Rafael J. Wysocki" <> wrote:
    > >
    > > Disk spinup/spindown takes time, but also some ACPI devices resume
    > > slowly, serio devices do that too and there are surprisingly many
    > > drivers that wait (using msleep() during suspend and resume). Apart
    > > from this, every PCI device going from D0 to D3 during suspend and
    > > from D3 to D0 during resume requires us to sleep for 10 ms (the
    > > sleeping is done by the PCI core, so the drivers don't even realize
    > > its there).
    > maybe a good step is to make a scripts/ equivalent for
    > suspend/resume (or make a debug mode that outputs in a compatible format
    > so that the script can be used as is.. I don't mind either way, and
    > consider this my offer to help with such a script as long as there's
    > sufficient logging in dmesg ;-)

    OK, so what kind of logging is needed?

    > that way we can SEE which ones are an issue.... and by how much.

    Well, why not.


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