On Sunday 06 December 2009, Arjan van de Ven wrote: > On Sun, 6 Dec 2009 00:55:36 +0100 > "Rafael J. Wysocki" <rjw@xxxxxxx> 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/bootgraph.pl 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. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
