Re: Make long ddb not suck

From: Julian Elischer (julian_at_elischer.org)
Date: 07/30/03

  • Next message: Julian Elischer: "Re: Make long ddb not suck" 
    Date: Wed, 30 Jul 2003 14:38:31 -0700 (PDT)
To: John Baldwin <jhb@FreeBSD.org>

    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@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
    > > "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
    > > _______________________________________________
    > > freebsd-arch@freebsd.org mailing list
    > > http://lists.freebsd.org/mailman/listinfo/freebsd-arch
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    > >
    >
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