Re: Make long ddb not suck

From: John Baldwin (jhb_at_FreeBSD.org)
Date: 07/31/03

  • Next message: John Baldwin: "Re: Make long ddb not suck" 
    Date: Thu, 31 Jul 2003 12:31:33 -0400 (EDT)
To: Julian Elischer <julian@elischer.org>

    On 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?
    >>
    >> 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.

    ps is hardly readable anymore because it is so cluttered now. I would
    like ps to go back to something more like it was prior to KSE and
    then use a separate show threads when one needs info about threads
    within a process. 

    -- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
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  • Next message: John Baldwin: "Re: Make long ddb not suck"

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    • Make long ddb not suck
      ... I have a patch that adds a simple paging facility to ddb at the ... db_printflevel using a one-shot callback mechanism. ... blah blah sleeping on "foo" ...
      (freebsd-arch)
    • Re: Make long ddb not suck
      ... > a simple paging callback that rearms itself based on the users ... > PID as the argument? ... > 1 blah blah running on cpuX ...
      (freebsd-arch)