Re: Question on /proc/interrupts
Chris Wedgwood (chris@cybernet.co.nz)
Tue, 14 Apr 1998 04:06:08 +1200
On Mon, Apr 13, 1998 at 05:55:04PM -0000, Meino Christian Cramer wrote:
> Hi!
>
> Short question on /proc/interrupts.
>
> If I do a "cat /proc/interrupts" I get:
>
> 0: 2747188 XT PIC timer
> 1: 12958 XT PIC keyboard
> 2: 0 XT PIC cascade
> 4: 288563 XT PIC serial
> 8: 0 XT PIC rtc
> 9: 45153 XT PIC ncr53c8xx
> 13: 1 XT PIC fpu
>
> ^^^^^^^
> Assuming that this is a counter of interrupts happened so far, I am
> wondering, why the counter for the fpu-interrupts still is "1", even
> if I have done such heavy calculating stuff like rendering or raytracing
> (bmrt/povray). MATH_EMULATION of the kernel is switched off, I am
> using a AMD K6.
>
> What happens here?
Interrupts are only generated for divide by zero and other such events.
-cw
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