Method GetNumericProperty

BeefRT/gperftools/src/tcmalloc.cc:641–719

		}

		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, NULL, NULL);
				*value = stats.pageheap.system_bytes
					- stats.thread_bytes
					- stats.central_bytes
					- stats.transfer_bytes
					- stats.pageheap.free_bytes
					- stats.pageheap.unmapped_bytes;
				return true;
			}

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

			if (strcmp(name, "tcmalloc.slack_bytes") == 0) {
				// Kept for backwards compatibility.  Now defined externally as:
				//    pageheap_free_bytes + pageheap_unmapped_bytes.
				SpinLockHolder l(Static::pageheap_lock());
				PageHeap::Stats stats = Static::pageheap()->stats();
				*value = stats.free_bytes + stats.unmapped_bytes;
				return true;
			}

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

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

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

			if (strcmp(name, "tcmalloc.pageheap_free_bytes") == 0) {
				SpinLockHolder l(Static::pageheap_lock());
				*value = Static::pageheap()->stats().free_bytes;
				return true;
			}