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Beastian (no.email.delete@this.aol.com) on January 3, 2020 12:46 pm wrote: > I'm usually on the other side of these primitives when I write code as a consumer of them, > but it's very interesting to read about the nuances related to their implementations: > > https://probablydance.com/2019/12/30/measuring-mutexes-spinlocks-and-how-bad-the-linux-scheduler-really-is/ > > The problem was that there was a thread that spent several milliseconds trying to > acquire a spinlock at a time when no other thread was holding the spinlock. > >