Re: DTrace-like analysis possible with future Linux kernels?

[Joerg Schilling]

Christer Weinigel <christer@xxxxxxxxxxx> wrote:

> It depends on your definition of "a few k" :-)
>
>     http://elks.sourceforge.net/
>
> It will run fine on an 8086 with 512 kBytes of RAM, but I its possible
> to get by with as little as 200kByte of RAM.

But this would not be a UNIX system... (see my other mail).

> I work with embedded Linux systems and the standard configuration for
> the stuff I do is with a small embedded processor such as the Motorola
> MPC860 or the Axis Etrax 100 (about as fast as an i486) and 8MByte of
> RAM and 4MByte of flash.  It's really no problem running in 2MByte of
> RAM and 2MByte of flash but then the system really just does one thing
> such as initializing a routing table and then routing data back and
> forth.  To be able to get OpenSSL running in there and so on I really
> need 8MByte of RAM.

If you don't try to run fancy stuff (like a GUI), I am sure that Solaris
will run with a machine that has something between 2 and 4 MB of RAM.

Note that if you design new embedded hardware, you typically think in
units of 16 MB.

Jörg

-- 
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