Make long ddb not suck

[Julian Elischer]

On Wed, 30 Jul 2003, John Baldwin wrote:

> I have a patch that adds a simple paging facility to ddb at the
> db_printf() level using a one-shot callback mechanism.  It includes
> a simple paging callback that rearms itself based on the users
> input (space does another page, enter another line).  I've used this
> facility to replace the hand-rolled paging in 'ps', 'show pci', and
> 'show ktr'.  The patch is at http://www.FreeBSD.org/~jhb/patches/ddb.patch
> 
> Comments?
> 
> Also, I notice that we have a 'show threads' command commented out from
> the original Mach sources.  I think we should change 'ps' back to just
> showing simple process info (and hopefully back to 80 cols) and only
> print thread info for 'show threads'.  Maybe show threads should take a
> PID as the argument?


we do have "show thread (addr)"
that shows the stacktrace.

"show threads {pid}"
 would be good to identify the address
of the thread to examine..

> 
> Thus, one would have:
> 
> db> ps
> 1  blah blah sleeping on "foo"
> 2  blah blah threaded
> 
> db> show threads 2
> 0  blah blah sleeping on "bar"
> 1  blah blah running on cpuX
> 

currently ps shows the threads by default..
either way is ok I guess.

> etc.
> 
> -- 
> 
> John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
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