16 lines
		
	
	
		
			349 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			349 B
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
 | |
| 
 | |
| module Gitlab
 | |
|   module Metrics
 | |
|     module Memory
 | |
|       extend self
 | |
| 
 | |
|       HEAP_SLOTS_PER_PAGE = GC::INTERNAL_CONSTANTS[:HEAP_PAGE_OBJ_LIMIT]
 | |
| 
 | |
|       def gc_heap_fragmentation(gc_stat = GC.stat)
 | |
|         1 - (gc_stat[:heap_live_slots] / (HEAP_SLOTS_PER_PAGE * gc_stat[:heap_eden_pages].to_f))
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| end
 |