Date: Mon, 1 Aug 2016 18:43:40 +0200 From: Mateusz Guzik <mjguzik@gmail.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: [PATCH] randomized delay in locking primitives, take 2 Message-ID: <20160801164340.GA24633@dft-labs.eu> In-Reply-To: <32aa8f7f-8096-740c-13e3-d51e0cb57c23@FreeBSD.org> References: <20160731095706.GB9408@dft-labs.eu> <32aa8f7f-8096-740c-13e3-d51e0cb57c23@FreeBSD.org>
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On Mon, Aug 01, 2016 at 02:16:59PM +0300, Andriy Gapon wrote: > > Mateusz, > > just out of curiosity, have you tried to explore alternative spinlock > implementations like a ticket lock? It would be interesting to see if > there are any improvements to be gained there. > The patch is the simplest hack possible so that this has a chance of getting into 11.0 as it helps /a lot/ even in the simplest form. Revamping this stuff in a more "here to stay" manner is a much longer endeavor. -- Mateusz Guzik <mjguzik gmail.com>
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