From owner-freebsd-stable Thu Nov 15 8:51:30 2001 Delivered-To: freebsd-stable@freebsd.org Received: from D00015.dialonly.kemerovo.su (www2.svzserv.kemerovo.su [213.184.65.86]) by hub.freebsd.org (Postfix) with ESMTP id D835C37B41A; Thu, 15 Nov 2001 08:51:17 -0800 (PST) Received: from svzserv.kemerovo.su (localhost.dialonly.kemerovo.su [127.0.0.1]) by D00015.dialonly.kemerovo.su (8.11.6/8.11.4) with ESMTP id fAFGEn600438; Thu, 15 Nov 2001 23:14:49 +0700 (KRAT) (envelope-from eugen@svzserv.kemerovo.su) Message-ID: <3BF3E9F8.38004D42@svzserv.kemerovo.su> Date: Thu, 15 Nov 2001 23:14:48 +0700 From: Eugene Grosbein Organization: SVZServ X-Mailer: Mozilla 4.76 [ru] (X11; U; FreeBSD 4.4-STABLE i386) X-Accept-Language: ru, en MIME-Version: 1.0 To: David Malone Cc: Eugene Grosbein , stable@freebsd.org, hackers@freebsd.org Subject: Re: kern.vm.kmem.size References: <20011111230817.A2325@grosbein.pp.ru> <20011113151329.A44837@walton.maths.tcd.ie> <20011113224730.A864@grosbein.pp.ru> <20011114153031.A16886@lanczos.maths.tcd.ie> Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 7bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > > So, how can I estimate needed value of kern.vm.kmem.size? > > How much ram do you have in the machine? On a 4.4-RC1 machine I have 320M here. > with 128MB of ram we don't have any problems getting dirhash > to use almost all of it's 2MB: > > vfs.ufs.dirhash_maxmem: 2097152 > vfs.ufs.dirhash_mem: 2085797 > > This is with the devault value for kern.vm.kmem.size. Maybe > you could print the value your system is getting with: > > echo print vm_kmem_size | gdb -k /kernel /dev/mem You are absolutely right, it's using about 1/3 of RAM here (108875776 when I do not tune kern.vm.kmem.size). Hmm, my test seems to be incorrect somehow. How can I see used amount of kernel malloc area? Eugene Grosbein To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message