| 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. |