try these: you're looking at multi page allocations as a %age of single and on the buckets you're looking at length of the chains ( high is maybe not good )

select name, type, buckets_count, buckets_in_use_count,

buckets_min_length, buckets_max_length, buckets_avg_length

from sys.dm_os_memory_cache_hash_tables

where type = 'CACHESTORE_SQLCP' or type = 'CACHESTORE_OBJCP';

select type, name, memory_node_id, single_pages_kb, multi_pages_kb

from sys.dm_os_memory_clerks

where type = 'CACHESTORE_SQLCP' or type = 'CACHESTORE_OBJCP';

select name, type, single_pages_kb, multi_pages_kb,

single_pages_in_use_kb, multi_pages_in_use_kb

from sys.dm_os_memory_cache_counters

where type = 'CACHESTORE_SQLCP' or type = 'CACHESTORE_OBJCP';