On Sat, Jul 19, 2003 at 11:08:17AM +1000, Keith Owens wrote:
> On Fri, 18 Jul 2003 19:40:37 -0500,
> linas@xxxxxxxxxxxxxx wrote:
> >I'm vaguely daydreaming about a few KDB enhancements, I was curious if
> >you've thought about them:
> >
> >-- 'cat /proc/meminfo' Turns out one bug I was chasing was OOM on
> > a machine with 32GB of RAM (!) and it took me days to even think
> > of looking there.
>
> 'sr m', same as sysrq-m.
Let me rephrase that:
1) sr m is broken in my version, (Its silent) don't know why.
Hmm ... sr anything is silent (but/and error-free).
2) there's other /proc structures that are human readable and are
interesting to look at during crash, e.g. /proc/pci, some stuff
in /proc/ppc64
> I have considered a generic facility like gdb, based off stabs or dwarf
> but decided against it for now.
Yeah, I've played with stabs, its a lot of work, time I don't have now.
> kdb has various commands for dumping structures including vm data, see
> all the code in kdb/modules. Recent versions of kdb added a 'task'
> command for dumping and decoding struct task. Another good reason to
> upate ppc64 to kdb v4.3 :).
Hmm, I suspected as much, which is why I asked ...
--linas
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