On Friday 15 April 2005 01:36 pm, Dan Nelson wrote: > In the last episode (Apr 15), Marcel Moolenaar said: > > On Apr 15, 2005, at 9:28 AM, Mark Santcroos wrote: > > >On Fri, Apr 15, 2005 at 09:20:52AM -0700, Marcel Moolenaar wrote: > > >>BTW: Is ACPICA getting slower? > > > > > > Might be. I don't have numbers on that. I guess we're still > > > focusing on functionality and not so much on speed. Do you have a > > > concrete area where you think we are loosing performance? > > > > No, not yet. It's just that there are 2 "dead" spots in the booting > > process of the plutos we have in the cluster and these "dead" spots > > appeared to be longer. I think there's a lot of AML interpretation > > going on during that time, but I might be wrong. > > What I have personally seen is a long delay in bus_alloc_resource() on > some older Dell machines (desktop and laptop, both under 500Mhz). If I > apply the attached patch, I see between 15 and 20 rows of identical > output, and each call to b_a_r takes a noticeable fraction of a second > (i.e. the cursor spends most of its time after an IRQ, not after a 'y' > or 'n'.) The delays probably add 45 seconds total to the boot time. > > Newer systems will just generate 4 or 5 lines total for the entire boot > process. Current doesn't use that version of the pci_link code anymore, so you should only see these delays on RELENG_5 now. -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Wed Apr 27 2005 - 16:45:33 UTC
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