Date: Mon, 13 Sep 2010 17:49:40 +0000 (UTC) From: Rui Paulo <rpaulo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r212567 - head Message-ID: <201009131749.o8DHneFS020665@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: rpaulo Date: Mon Sep 13 17:49:39 2010 New Revision: 212567 URL: http://svn.freebsd.org/changeset/base/212567 Log: Add a note about userland DTracing. Sponsored by: The FreeBSD Foundation > Description of fields to fill in above: 76 columns --| > PR: If a GNATS PR is affected by the change. > Submitted by: If someone else sent in the change. > Reviewed by: If someone else reviewed your modification. > Approved by: If you needed approval for this commit. > Obtained from: If the change is from a third party. > MFC after: N [day[s]|week[s]|month[s]]. Request a reminder email. > Security: Vulnerability reference (one per line) or description. > Empty fields above will be automatically removed. M UPDATING Modified: head/UPDATING Modified: head/UPDATING ============================================================================== --- head/UPDATING Mon Sep 13 17:30:29 2010 (r212566) +++ head/UPDATING Mon Sep 13 17:49:39 2010 (r212567) @@ -22,6 +22,16 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 9. machines to maximize performance. (To disable malloc debugging, run ln -s aj /etc/malloc.conf.) +20100913: + DTrace has grown support for userland tracing. Due to this, DTrace is + now i386 and amd64 only. + dtruss(1) is now installed by default on those systems and a new + kernel module is needed for userland tracing: fasttrap. + No changes to your kernel config file are necessary to enable + userland tracing, but you might consider adding 'STRIP=' and + 'CFLAGS+=-fno-omit-frame-pointer' to your make.conf if you want + to have informative userland stack traces in DTrace (ustack). + 20100725: The acpi_aiboost(4) driver has been removed in favor of the new aibs(4) driver. You should update your kernel configuration file.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201009131749.o8DHneFS020665>