Idea for new VDSO feature: a function to query whether there are tasks waiting to run on the current cpu.
Spinning is "I don't have anything to do yet, but let's trick the scheduler so it doesn't let someone else have my cpu time".
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if one wants terrible latency by default, sure, no disappointments.
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you say 'trick the scheduler', I say 'sleeping ruins all latency guarantees'.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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