Date: Mon, 8 May 2006 07:22:06 +0800 From: David Xu <davidxu@freebsd.org> To: freebsd-performance@freebsd.org Cc: Robert Watson <rwatson@freebsd.org>, performance@freebsd.org, current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets) Message-ID: <200605080722.06435.davidxu@freebsd.org> In-Reply-To: <20060507230430.GA6872@xor.obsecurity.org> References: <20060506150622.C17611@fledge.watson.org> <20060507214153.GA5275@xor.obsecurity.org> <20060507230430.GA6872@xor.obsecurity.org>
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On Monday 08 May 2006 07:04, Kris Kennaway wrote: > i.e. apparently not a large difference, but still a large proportion > of cases where multiple CPUs are woken at once on the same chain. > > Kris This becauses there is no sleepable mutex available, so I had to use msleep and wakeup, this is suboptimal, I may put flag MTX_QUIET there to let WITNESS shut up.
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