Date: Wed, 10 Dec 2014 22:26:34 +1030 From: Shane Ambler <FreeBSD@ShaneWare.Biz> To: s m <sam.gh1986@gmail.com>, freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: top- what negative priority means? Message-ID: <548834F2.2080607@ShaneWare.Biz> In-Reply-To: <CAA_1SgEToHVvy1=2nX%2BxGpC7Ad0fxSi1Sn2_KddqT2998fLnHA@mail.gmail.com> References: <CAA_1SgEToHVvy1=2nX%2BxGpC7Ad0fxSi1Sn2_KddqT2998fLnHA@mail.gmail.com>
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On 10/12/2014 19:15, s m wrote: > hello everybody > > i have problem with my FreeBSD9.2. my ssh connection becomes down after > some minutes. i check top and see that sshd daemon is locked and has > priority -100. > > 14610 root 1 -100 0 74196K 5860K *Linux 2 0:05 0.00% sshd I wouldn't expect to see "*Linux" - that column is the state which is normally something like uwait, select, kqread, zio, CPU0, CPU1.... > what priority -100 means? i googled a lot but found nothing. > The PRI column is the scheduling priority, an indication of what gets cpu time first, high numbers mean use cpu when no-one else is using it, negative numbers indicate get all the the cpu time you need. See man nice - the NICE value is a user specified priority in the range of 20 to -20 (limits are actually documented in man renice) while the PRI value is the kernel assigned priority value. I only guess that the kernel uses priority values greater than the 20 to -20 range used by nice. -- FreeBSD - the place to B...Software Developing Shane Ambler
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