On Wed, 25 Oct 2006, Scott Long wrote:
There are no obvious culprits from what you posted. The kernel was only
trying to allocate 60 bytes, and the 64-byte bucket didn't look to be overly
used. None of the other zones look terribly over-used either. The 'show
malloc' command doesn't really give enough stats to be terribly useful,
IMHO.
What would you add to the output to make it more useful? The main difference
between "show malloc" and "vmstat -m", other than any "use over time"
associated with multiple runs of vmstat -m, is the malloc size bitmask. This
is relatively easily added to kern_malloc.c.
And neither of the commands can effectively track things like contig memory
allocator. Can you try the following two commands:
Want to add "show contigmalloc"?
I've found it significantly easier to debug memory leaks since adding these
DDB commands, but they are easily enhanced to carry more information than they
do now.
Robert N M Watson
Computer Laboratory
University of Cambridge
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