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dtrace for Linux; Oracle Does the Right Thing

posted by Fnord666 on Friday February 16 2018, @04:01PM   Printer-friendly
from the GPL-FTW dept.

canopic jug writes:

Mark J. Wielaard has written a brief blog post about a crucial license change for the dtrace performance analysis and troubleshooting tool. It has been available for most other systems, notably Solaris derivatives, FreeBSD, and OS X, but not for Linux. That may change soon, or at least have the possibility to change.

At Fosdem we had a talk on dtrace for linux in the Debugging Tools devroom.

Not explicitly mentioned in that talk, but certainly the most exciting thing, is that Oracle is doing a proper linux kernel port:

commit e1744f50ee9bc1978d41db7cc93bcf30687853e6

Author: Tomas Jedlicka <tomas.jedlicka@oracle.com>
Date: Tue Aug 1 09:15:44 2017 -0400

dtrace: Integrate DTrace Modules into kernel proper

This changeset integrates DTrace module sources into the main kernel source tree under the GPLv2 license. Sources have been moved to appropriate locations in the kernel tree.

That is right, dtrace dropped the CDDL and switched to the GPL!

This change improves the utility of dtrace and gives a badly needed boost to Oracle's image. So will the license for ZFS be corrected next?

Source : dtrace for linux; Oracle does the right thing.

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  • (Score: 3, Informative) by canopic jug on Friday February 16 2018, @05:29PM (1 child)

    by canopic jug (3949) Subscriber Badge on Friday February 16 2018, @05:29PM (#638900) Journal

    If you can tolerate video then Teaching, and Understanding, Systems Software with FreeBSD and DTrace [youtube.com] would probably be the one to look at. The DTrace in FreeBSD is quite close to the one for Linux. See also DTrace Tools [brendangregg.com].

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  • (Score: 3, Informative) by NotSanguine on Friday February 16 2018, @06:21PM

    by NotSanguine (285) <{NotSanguine} {at} {SoylentNews.Org}> on Friday February 16 2018, @06:21PM (#638919) Homepage Journal

    If you can tolerate video then Teaching, and Understanding, Systems Software with FreeBSD and DTrace [youtube.com] would probably be the one to look at. The DTrace in FreeBSD is quite close to the one for Linux. See also DTrace Tools [brendangregg.com]

    Here's a brief summary [dtrace.org] with links to resources.

    And there's actual [die.net] documentation [dtrace.org] too.

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