ec_mem_stats

/** overall system memory utilization stats */
struct ec_mem_stats {
  /** the total amount of memory allocated via ec_malloc, ec_malloc_size,
   * ec_realloc.  Note that this will not include memory allocated via
   * malloc(), or other memory allocated for things like stack space for
   * threads and other lower level memory utilization. */
  uint64_t total_allocated;
  /** The resident set size, as reported by the system */
  uint64_t system_rss;
  /** The amount of physical memory installed in the system */
  uint64_t physmem;
};