[Crash-utility] enhance bt command

[Ming Zhang]

On Mon, 2008-03-03 at 16:39 -0500, Dave Anderson wrote:
> Ming Zhang wrote:
> >> OK I understand.  Yeah, it's always worked that way -- I don't recall
> >> why other than the fact that by the time the address is displayed, the
> >> function that does the display no longer has a handle on the beginning
> >> address of the object, only the "requested" address, the slab it came
> >> from, whether it's free/allocated, and whether it's sitting on a per-cpu
> >> cache.  I'll have to revisit that sometime...
> > 
> > thanks for putting that on your todo list.
> > 
> > 
> > so will you check in the patch soon?
> 
> I'll queue it for the next release, whenever that is.  Typically if nothing
> serious breaks in the meantime, I do it about once a month.
> 

thanks.


> >>>> If you want to look at all of the objects in a slab represented
> >>>> as data structures, you're going to have supply the knowledge of
> >>>> what data structure they are.  It's simple enough, just do a "kmem -S"
> >>>> into a file, delete everything except the object addresses that you're
> >>>> interested in, insert "struct whatever" in front of each address, save
> >>> this is exactly what i did when i have to do work like this by using
> >>> gawk, tr, and grep.
> >>>
> >>>> the file -- and run it as crash input file.
> >>>>
> >>> how to do this? i know crash -i can run a file at beginning. but how to
> >>> run command in a file at any moment?
> >>>
> >> Enter "help input" -- where it talks about "<":
> > 
> > 
> > thanks for the hint. you save me quite a lot key strokes!
> > 
> > 
> > thanks again for all the help!
> 
-- 
Ming Zhang


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