Make long ddb not suck

[Julian Elischer]

On Wed, 30 Jul 2003, Julian Elischer wrote:

> 
> 
> 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?

p.s. I saw your changes in p4..
I liked them.


> > 
> > 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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> > 
> 
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