This is awful, awful news.  John was a great guy, a great talent, and an
inspiration.

My condolences to his family and friends!

:-(

On Wed, Nov 25, 2009 at 3:44 AM, Bryan Cantrill <[email protected]> wrote:

>
> It is with a heavy heart that I announce that we in the DTrace community
> have lost one of our own:  the indomitable John Birrell, who ported DTrace
> to FreeBSD, suffered a stroke and passed away on Friday, November 20,
> 2009.
>
> We on Team DTrace knew John to be a remarkably talented and determined
> software engineer.  As those who have attempted ports can attest, DTrace
> passes through rough country, and a port to a foreign system is a
> significant undertaking that requires mastery of both DTrace and
> (particularly) the target system.  And in being the first to attempt a
> port,
> John's challenge was that much greater -- and his success in the endeavor a
> tribute to both his ability and (especially) his tenacity.  For example,
> in performing the port, John decided that DTrace's dependency on the
> cyclic subsystem was such that it, too, needed to be ported.  He didn't
> need to do this (and indeed, other ports have decided that an arbitrary
> resolution profile provider is not worth the significant trouble), but
> that he undertook this additional technical challenge anyway -- even when
> any victory would remain hidden to all but the most expert eye -- says a
> lot about John as both an engineer and a man.  Later, when the port ran
> into some frustrating licensing issues, John once again did not give up.
> Rather, he backed up, and found a path forward that would satisfy all
> parties -- even though it required significant technical reworking on his
> part.  I have long believed that the mark of a great engineer is not how
> frequently they get knocked down, but rather how quickly they get back up
> -- and in this regard, John was indisputably a giant.
>
> John, you will be missed -- not only by the FreeBSD community upon which
> you made an indelible mark, but by those of us in the DTrace community who
> only had the opportunity to work with you more recently.  And while your
> legacy might remain anonymous to the future generations that will benefit
> from the fruits of your long labor, we will always know that it never
> would have happened without you.  Thank you, and farewell.
>
>        - Bryan
>
> --------------------------------------------------------------------------
> Bryan Cantrill, Sun Microsystems Fishworks.       http://blogs.sun.com/bmc
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> dtrace-discuss mailing list
> [email protected]
>



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