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Date: Mon, 05 Jul 2004 23:00:05 +0900
From: Eitarou Kamo <e-kamo@trio.plala.or.jp>
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To: Volker Stolz <vs@freebsd.org>, freebsd-hackers@freebsd.org
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Subject: Re: Article on Sun's DTrace
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Hi Volker and all,

Volker Stolz wrote:

>In local.freebsd-hackers, you wrote:
>  
>
>>I haven't seen above well yet. But A article says that DTrace sounds
>>like 30,000 lines of debug print. 
>>    
>>
>
>No, already the first article tells you that they use a VM with byte-code
>for the C-like language "D". And it's not compiled into the kernel but
>hooked in and removed on-the-fly.
>
>Volker
>  
>
I don't know langage "D" well. But my guess is that they trim the info
valuable from the debug print outputs. Sorry I haven't read the
articles compleately yet.

Eitarou

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