For years, I knew how little load average means. Once wrote a program to fake LA to illustrate. But exactly 0.00 under load unintentionally?
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@RichFelker This is what I demo'ed before: huge LAs on mostly idle systems, to calm down sysadmins and business owners ("our LA 100+ is OK")Thanks. Twitter will use this to make your timeline better. UndoUndo
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@solardiz int main() { if (!vfork()) for(;;) pause(); } // blocked parent is wrongly accounted as R state, at least on nommu Linux. -
@RichFelker Oh, vfork(). I didn't realize. I mimicked what happens on real servers, with context switch timings below timeslice. -
@solardiz I haven't checked that it happens with vfork on mmu too, but I expect it would; the code paths should be mostly the same. -
@RichFelker@solardiz Between Jeff moving to Tokyo and his resurfacing into the Linux world, nommu didn't get a lot of love. :)
End of conversation
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