Messages in this thread | | | Subject | Re: [RFC] - Some notions that I would like comments on | Date | Mon, 12 Jul 1999 15:34:54 -0300 | From | Jeff Dike <> |
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> 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?
> > 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.
Jeff
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