Date: Sun, 16 Dec 2012 15:47:34 +0100 From: Tom <freebsdlists@bsdunix.ch> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-fs@FreeBSD.org Subject: Re: zfs: is it possible to set metaslab_debug to 1? Message-ID: <50CDDF06.2030309@bsdunix.ch> In-Reply-To: <50CDBE80.7080308@FreeBSD.org> References: <50CCA8B8.7010808@bsdunix.ch> <50CDBE80.7080308@FreeBSD.org>
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Am 16.12.12 13:28, schrieb Andriy Gapon: > on 15/12/2012 18:43 Tom said the following: >> Hi, >> >> Is it possible to set metaslab_debug to 1 on freebsd without recompiling: >> usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c >> >> /* >> * Metaslab debugging: when set, keeps all space maps in core to verify >> frees. >> */ >> static int metaslab_debug = 0; >> >> Is this even possible on FreeBSD? It often helps with ZFS perfomance >> issues on Solaris with lots of ram. > > kgdb -w > set metaslab_debug=1 > > Were you looking for something like this? > > Yes, exactly Thank you. Regards, Tom
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