| This graph shows how CPU time is spent. | 
		    
		  
		    
		    
		    
		    
			  | Field | 
			  Internal name |                          
			  Type | 
			  Warn | 
			  Crit | 
			  Info | 
		    
		  
		    
		      | system | 
		      system | 
		      derive | 
		        | 
		        | 
		      CPU time spent by the kernel in system activities | 
		    
		    
		  
		    
		      | user | 
		      user | 
		      derive | 
		        | 
		        | 
		      CPU time spent by normal programs and daemons | 
		    
		    
		  
		    
		      | nice | 
		      nice | 
		      derive | 
		        | 
		        | 
		      CPU time spent by nice(1)d programs | 
		    
		    
		  
		    
		      | idle | 
		      idle | 
		      derive | 
		        | 
		        | 
		      Idle CPU time | 
		    
		    
		  
		    
		      | iowait | 
		      iowait | 
		      derive | 
		        | 
		        | 
		      CPU time spent waiting for I/O operations to finish when there is nothing else to do. | 
		    
		    
		  
		    
		      | irq | 
		      irq | 
		      derive | 
		        | 
		        | 
		      CPU time spent handling interrupts | 
		    
		    
		  
		    
		      | softirq | 
		      softirq | 
		      derive | 
		        | 
		        | 
		      CPU time spent handling "batched" interrupts | 
		    
		    
		  
		    
		      | steal | 
		      steal | 
		      derive | 
		        | 
		        | 
		      The time that a virtual CPU had runnable tasks, but the virtual CPU itself was not running | 
		    
		    
		  
		    
		      | guest | 
		      guest | 
		      derive | 
		        | 
		        | 
		      The time spent running a virtual CPU for guest operating systems under the control of the Linux kernel. |