* interrupt @ 2011-06-11 10:31 Venkateswarlu P 2011-06-11 16:03 ` interrupt Greg KH 2011-06-13 4:40 ` interrupt Kaustubh Ashtekar 0 siblings, 2 replies; 5+ messages in thread From: Venkateswarlu P @ 2011-06-11 10:31 UTC (permalink / raw) To: kernelnewbies Is each key press is an interrupt ? -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20110611/49a083d6/attachment.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* interrupt 2011-06-11 10:31 interrupt Venkateswarlu P @ 2011-06-11 16:03 ` Greg KH 2011-06-13 4:40 ` interrupt Kaustubh Ashtekar 1 sibling, 0 replies; 5+ messages in thread From: Greg KH @ 2011-06-11 16:03 UTC (permalink / raw) To: kernelnewbies On Sat, Jun 11, 2011 at 04:01:45PM +0530, Venkateswarlu P wrote: > > > Is each key press? is an interrupt ? Depends on the type of keyboard. ^ permalink raw reply [flat|nested] 5+ messages in thread
* interrupt 2011-06-11 10:31 interrupt Venkateswarlu P 2011-06-11 16:03 ` interrupt Greg KH @ 2011-06-13 4:40 ` Kaustubh Ashtekar 1 sibling, 0 replies; 5+ messages in thread From: Kaustubh Ashtekar @ 2011-06-13 4:40 UTC (permalink / raw) To: kernelnewbies > > > > Is each key press is an interrupt ? > Yes, normally. It is a user event which has to be processed immediately. So that, for e.g. letters typed on keyboard can be immediately seen in your editor window. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies at kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > Kaustubh -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20110613/0534ec45/attachment.html ^ permalink raw reply [flat|nested] 5+ messages in thread
* interrupt
@ 2005-02-17 6:47 YhLu
2005-02-17 6:35 ` interrupt Andi Kleen
0 siblings, 1 reply; 5+ messages in thread
From: YhLu @ 2005-02-17 6:47 UTC (permalink / raw)
To: Andi Kleen; +Cc: linux-kernel
Interrupts always go to CPU 11.
If dual core is diabled, it always go to CPU5. It is OK on 32bit mode.
CPU0 CPU1 CPU2 CPU3 CPU4 CPU5
CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12
CPU13 CPU14 CPU15
0: 409 0 0 0 0 0
0 0 0 0 229 37399 0
0 0 0 IO-APIC-edge timer
2: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 XT-PIC cascade
4: 0 0 0 0 0 0
0 0 0 0 0 4915 0
0 0 0 IO-APIC-edge serial
8: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-edge rtc
14: 0 0 0 0 0 0
0 0 0 0 0 10 0
0 0 0 IO-APIC-edge ide0
19: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ohci1394
20: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level libata
21: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level libata
22: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ohci_hcd
23: 0 0 0 0 0 0
0 0 0 0 0 0 0
0 0 0 IO-APIC-level ehci_hcd
NMI: 1 0 0 0 0 0
0 0 0 0 0 1 0
0 0 0
LOC: 37688 37965 37965 37965 37965 37965
37965 37965 37965 37965 37965 37446 37965
37965 37965 37966
ERR: 447
MIS: 0
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: interrupt 2005-02-17 6:47 interrupt YhLu @ 2005-02-17 6:35 ` Andi Kleen 0 siblings, 0 replies; 5+ messages in thread From: Andi Kleen @ 2005-02-17 6:35 UTC (permalink / raw) To: YhLu; +Cc: linux-kernel On Wed, Feb 16, 2005 at 10:47:07PM -0800, YhLu wrote: > Interrupts always go to CPU 11. Run irqbalanced, but even then multiple CPUs will only be used when there are enough active interrupt sources. -Andi ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2011-06-13 4:40 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2011-06-11 10:31 interrupt Venkateswarlu P 2011-06-11 16:03 ` interrupt Greg KH 2011-06-13 4:40 ` interrupt Kaustubh Ashtekar -- strict thread matches above, loose matches on Subject: below -- 2005-02-17 6:47 interrupt YhLu 2005-02-17 6:35 ` interrupt Andi Kleen
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