cache_stats - report various driver and mudlib statistics

string cache_stats();

This efun is only available if CACHE_STATS is defined in options.h at
driver build time.  This efun returns a string containing a summary
of the statstics on the call_other() cache hit rate.

See also:
 opcprof,
 mud_status

 Tim Hollebeek  Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere
