On Mon, 12 Jul 1999 15:34:54 -0300, Jeff Dike <jdike@karaya.com> said:
>> No, VM tricks can be very expensive (especially with threaded programs
>> on SMP, where every VM update has to involve a cross-CPU interrupt to
>> invalidate TLB caches on other CPUs).
> Are there any references floating around about interprocessor communication
> and its costs?
Not really --- just look up the linux-kernel archives. :)
>> > A pseudo-filesystem for exposing internal process state
>> Ooh, like /proc fs?
> Should my sarcasm detector be firing here :-) /proc contains stuff
> that the kernel maintains. I was referring to very
> application-specific stuff like what function gcc is currently
> compiling or make's dependency tree and where it is in updating it.
No, I'm serious. /proc is extensible by design. Don't do another
filesystem when you can extend procfs.
--Stephen
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