Date: Tue, 30 Aug 2011 18:39:28 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Paul Ambrose <ambrosehua@gmail.com> Cc: "freebsd-performance@freebsd.org" <freebsd-performance@FreeBSD.org>, freebsd-current@FreeBSD.org, "Hartmann, O." <ohartman@zedat.fu-berlin.de> Subject: Re: http://www.freebsd.org/marketing/os-comparison.html Message-ID: <4E5D0430.9090606@FreeBSD.org> In-Reply-To: <CAMwoQQ7ZsB83xL-%2BLJkOQfa-FUcW2Q2E%2BM0LbDn%2BGta=cFJPMg@mail.gmail.com> References: <4E5941D6.9090106@zedat.fu-berlin.de> <4E5BEF65.2010502@gmail.com> <201108300929.51810.hselasky@c2i.net> <4E5CA9BE.2020005@zedat.fu-berlin.de> <CAE-mSOLu-ZkKGw6f01T1NDHTmeVDaAXmicrDzaEaqXdyg7ggCg@mail.gmail.com> <CAMwoQQ7ZsB83xL-%2BLJkOQfa-FUcW2Q2E%2BM0LbDn%2BGta=cFJPMg@mail.gmail.com>
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on 30/08/2011 16:45 Paul Ambrose said the following: > I do not believe the current status of DTrace is appropriate for promoting > > 1. DTrace is an experimental function or Semi-finished products. The kernel > dtrace support is ok, but the userland support is far from completion(at > least the pid provider has many bugs) > > 2 the FreeBSD implementation is different from Solaris/Mac OS X. The > DTraceToolkit, which has many amazing feature, can not 100% works on > FreeBSD, and there is no doc to identify the difference. > > 3 There is a missing feature list about DTrace, but no schedule list about > when to fix it. 4. There is a missing developer/maintainer for DTrace on FreeBSD. Nevertheless the kernel DTrace is quite usable and useful for kernel debugging. -- Andriy Gapon
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