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DragonFly kernel List (threaded) for 2004-09
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Re: ktr port from FreeBSD


From: Diane Bruce <db@xxxxxx>
Date: Fri, 3 Sep 2004 13:06:16 -0400

On Fri, Sep 03, 2004 at 09:42:29AM -0700, Matthew Dillon wrote:
> 
> :I have ported ktr (kernel trace routines) from FreeBSD (who took it from
> :BSD/OS).
. ..
>     Also, 1024 entries is probably not nearly enough for a tracepoint 
>     utility to be useful.  We'd need a lot of entries... a million or more,
>     for it to be really useful, which implies dynamically allocating the 
>     array at boot time rather then declaring it static.

Thats exactly what the BSD/OS code did. It was allocated very early on
and was in fact, sizable from the boot prompt.

I think I'd like a peek at this port tbh.

- Diane



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