On Wednesday 22 June 2005 09:54 am, Emanuel Strobl wrote: > Am Mittwoch, 22. Juni 2005 09:06 schrieb Dag-Erling Smørgrav: > > Emanuel Strobl <Emanuel.strobl_at_gmx.net> writes: > > > I don't know what lapic stands for (the l, if apic means > > > AdvancedProgrammableInterruptController) > > > > local, meaning per-CPU as opposed to the IOAPIC which is located in > > the south bridge and shared by all CPUs. > > Hmm, why do I see a lapic on my UP system? I've never seen before I > upgraded to -current (short before the code freeze to help finding bugs) > And what does the "ti" mean? ( from systat "2030 lapic0: ti" ) > > Thanks a lot, Every CPU since at least the PPro (and SMP-capable Pentiums) has had a local APIC. Using the APIC system instead of AT PIC allows PCI interrupts to not be shared in most cases which is a good thing. :) The 'ti' is short for timer because systat chops of the names. If you do 'vmstat -i' you will see the full name. -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Wed Jun 22 2005 - 13:24:37 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:37 UTC