Date: Sat, 24 Aug 2013 20:44:23 +0400 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: Alexander Motin <mav@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r254787 - head/sys/kern Message-ID: <alpine.BSF.2.00.1308242042030.21486@woozle.rinet.ru> In-Reply-To: <5218DE6C.4060700@FreeBSD.org> References: <201308241441.r7OEfnFx060671@svn.freebsd.org> <alpine.BSF.2.00.1308241926410.21486@woozle.rinet.ru> <5218D22F.8000009@FreeBSD.org> <alpine.BSF.2.00.1308242009140.21486@woozle.rinet.ru> <5218DE6C.4060700@FreeBSD.org>
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On Sat, 24 Aug 2013, Alexander Motin wrote: > > > > > Remove locking from taskqueue_member(). The list of threads is > > > > Ah, so IIUC, it does not depend on other changes and could be tested on > > stock stable/9 right now? If so, I'd merge this to our tinderbox/poudriere > > builder and test. > > Yes, it is completely independent. Please, welcome. I am just not sure whether > you notice much difference unless you have really a lot of IOPS. On my tests > doing 90K IOPS over bunch of SSDs I've measured difference of several > percents. Yes, this is not a case of a builder, as most of IOSP is done in tmpfs (BTW, doesn't this lock appliy there as well?) OTOH, we have a couple of iSCSI storages where this could be useable too... -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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