From owner-freebsd-dtrace@FreeBSD.ORG  Wed Dec 11 00:57:03 2013
Return-Path: <owner-freebsd-dtrace@FreeBSD.ORG>
Delivered-To: freebsd-dtrace@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id B76D8770
 for <freebsd-dtrace@freebsd.org>; Wed, 11 Dec 2013 00:57:03 +0000 (UTC)
Received: from mail-ea0-x232.google.com (mail-ea0-x232.google.com
 [IPv6:2a00:1450:4013:c01::232])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 4F86E10F0
 for <freebsd-dtrace@freebsd.org>; Wed, 11 Dec 2013 00:57:03 +0000 (UTC)
Received: by mail-ea0-f178.google.com with SMTP id d10so2644677eaj.9
 for <freebsd-dtrace@freebsd.org>; Tue, 10 Dec 2013 16:57:01 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :cc:content-type;
 bh=mN022atB9Alyj+GG4SDFrB9oAp3EmSxq2j6aEHp9ixw=;
 b=p938CgSh9yBjlDqbZkH63OxuisVSBn0VIv8hcpZQOzRgwcJx7Uo5EdnOA2McC+4M3W
 i0K66Tvaetxa2IVWgjabNfEqQjXMl1f9CPrNHOCA7junXg9J6Uu2Xx4y57Vi4dRhtZVS
 nFGLGwFA+Mwpw+Rr9OuGuB3ITIIObr82vRugILIRWe3/YmhSgUheJSlFE/gAO90fTN7/
 drBIk/yoKo+dnjx8HUJCWUJDcBqL8hzyUDSYxK2kGzuwtM0fwHr5ORumE3qOb9laSDmY
 fHZpjM4NaIZWVJyQXQPk6FDwZjN5uiwzI2YLLaxRbwSyGLlkxdAz/9GUwgzy8FfbRmRv
 HL0w==
MIME-Version: 1.0
X-Received: by 10.14.105.7 with SMTP id j7mr11160282eeg.95.1386723421798; Tue,
 10 Dec 2013 16:57:01 -0800 (PST)
Received: by 10.14.2.66 with HTTP; Tue, 10 Dec 2013 16:57:01 -0800 (PST)
In-Reply-To: <87iouwxlb4.wl%berend@pobox.com>
References: <CALCpEUFnwN+mwTDyq-_q3x8jkk8EBfzMMyRzVeHDrHq=j-nqVg@mail.gmail.com>
 <87iouwxlb4.wl%berend@pobox.com>
Date: Tue, 10 Dec 2013 16:57:01 -0800
Message-ID: <CALCpEUE65e8-tHfBurr_M4FiCAo=kNKurLT2AUkNhTnHZ3FeoQ@mail.gmail.com>
Subject: Re: Examples from www.dtracebook.com
From: hiren panchasara <hiren.panchasara@gmail.com>
To: Berend de Boer <berend@pobox.com>
Content-Type: text/plain; charset=UTF-8
Cc: freebsd-dtrace@freebsd.org
X-BeenThere: freebsd-dtrace@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: "A discussion list for developers working on DTrace in FreeBSD."
 <freebsd-dtrace.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-dtrace>, 
 <mailto:freebsd-dtrace-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-dtrace/>
List-Post: <mailto:freebsd-dtrace@freebsd.org>
List-Help: <mailto:freebsd-dtrace-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-dtrace>,
 <mailto:freebsd-dtrace-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 11 Dec 2013 00:57:03 -0000

On Tue, Dec 10, 2013 at 4:50 PM, Berend de Boer <berend@pobox.com> wrote:
>>>>>> "hiren" == hiren panchasara <hiren.panchasara@gmail.com> writes:
>
>     hiren> fds has not yet been declared or assigned
>
>     hiren> This is on FreeBSD -head.
>
> Yeah. An extremely useful dtrace, the first one everyone will try, and
> FreeBSD doesn't support it.
>
> Not sure what FreeBSD supports in dtrace, I haven't had much
> luck. Hopefully it gets better over time, now its more a feature that
> disappoints people I would say.

Nah, I do not agree. I know it's not perfect but we have a lot of
useful things in the tree right now, IMHO.

cheers,
Hiren