[Crash-utility] user defined symbol

[Ming Zhang]

On Wed, 2008-03-05 at 17:27 -0500, Dave Anderson wrote:
> Ming Zhang wrote:
> > On Wed, 2008-03-05 at 15:57 -0500, Dave Anderson wrote:
> >> Ming Zhang wrote:
> >>> Hi All
> >>>
> >>> I wonder if it possible to have this feature - user defined symbol.
> >>>
> >>> for example, define inode1 = 0x1234
> >>>
> >>> then in all place has this 0x1234 in bt or rd command, show inode1
> >>> instead of numeric value,
> >>>
> >>> This should be very helpful when these value pop up in a haystack of
> >>> numeric values...
> >>>
> >>> Thanks
> >>>
> >> Why not just pipe the relevant command to grep to pin-point the
> >> locations of the value you're tracking?
> >>
> >> I know it's tempting, but creating a crash command/option for
> >> specific kernel-debug cases would soon become overwhelming.
> >> So I'm not particulary excited about this suggestion; maybe
> >> others would be...
> > 
> > understood.
> > 
> > 
> >> BTW, as you requested earler, I've got the "kmem -s <address>"
> >> output changed such that the base address of the object is shown
> >> instead of the <address> argument which may be offset into the
> >> slab object.  With CONFIG_SLUB kernels, that's how it currently
> >> works, although I'm also fixing "kmem -S" and "kmem -s address"
> >> failures to handle some 2.6.25 kernel changes to SLUB object
> >> free-list tracking.  And there still appears to be more
> >> SLUB-related churn being proposed on LKML on the horizon.


it works. thanks!


> > 
> > cool. where i can get this updated code?
> > 
> > 
> >> Dave
> 
> Remove the previous patch I sent you and apply the attached one.
> 
> Dave
> 
> 
-- 
Ming Zhang


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