|From:||Andi Kleen <andi-AT-firstfloor.org>|
|To:||Alan Cox <alan-AT-lxorguk.ukuu.org.uk>|
|Subject:||Re: From 2.4 to 2.6 to 2.7?|
|Date:||Fri, 18 Jul 2008 11:02:22 +0200|
|Cc:||Parag Warudkar <parag.warudkar-AT-gmail.com>, linux-kernel-AT-vger.kernel.org|
Alan Cox <email@example.com> writes: > On Tue, 15 Jul 2008 15:27:56 +0000 (UTC) > Parag Warudkar <firstname.lastname@example.org> wrote: > >> Andi Kleen <andi <at> firstfloor.org> writes: >> >> >> > Or you could just do it like emacs or Solaris and simply use a single number. >> >> No - because then those handful of Solaris supporters will get one more 'proof' >> in support of their claims of Linux copying Solaris - first SystemTap copying >> DTrace and now version numbers. See how we stand a risk of ending up convinced >> we do not innovate? > > "Support" - dtrace is based on the IBM work it seems, and the IBM work > predates Solaris dtrace by a long time, so actually you could argue > Solaris copied Linux but shipped first ;) Actually SLES9 shipped with IBM dprobes long before Solaris dtrace even existed (and OS/2 did long before that). Back then the interest in it was about zero though, which made SLES10 drop it again. I think I was one of the very few users. Admittedly the early RPN probes were also not particularly user friendly, but they worked. I use this always as an example that even sophisticated users like system administrators and kernel hackers are somewhat marketing driven. -Andi  which BTW already supported user space probes
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