Method GetNumericProperty

libs/tcmalloc-1.4/src/tcmalloc.cc:429–472

  }

  virtual bool GetNumericProperty(const char* name, size_t* value) {
    ASSERT(name != NULL);

    if (strcmp(name, "generic.current_allocated_bytes") == 0) {
      TCMallocStats stats;
      ExtractStats(&stats, NULL);
      *value = stats.system_bytes
               - stats.thread_bytes
               - stats.central_bytes
               - stats.transfer_bytes
               - stats.pageheap_bytes;
      return true;
    }

    if (strcmp(name, "generic.heap_size") == 0) {
      TCMallocStats stats;
      ExtractStats(&stats, NULL);
      *value = stats.system_bytes;
      return true;
    }

    if (strcmp(name, "tcmalloc.slack_bytes") == 0) {
      // We assume that bytes in the page heap are not fragmented too
      // badly, and are therefore available for allocation.
      SpinLockHolder l(Static::pageheap_lock());
      *value = Static::pageheap()->FreeBytes();
      return true;
    }

    if (strcmp(name, "tcmalloc.max_total_thread_cache_bytes") == 0) {
      SpinLockHolder l(Static::pageheap_lock());
      *value = ThreadCache::overall_thread_cache_size();
      return true;
    }

    if (strcmp(name, "tcmalloc.current_total_thread_cache_bytes") == 0) {
      TCMallocStats stats;
      ExtractStats(&stats, NULL);
      *value = stats.thread_bytes;
      return true;
    }

    return false;
  }

  virtual bool SetNumericProperty(const char* name, size_t value) {
    ASSERT(name != NULL);