gistfile1.txt

chris@Minty ~ $ perf stat -d echo 1
1

 Performance counter stats for 'echo 1':

          0.597512 task-clock                #    0.249 CPUs utilized          
                 3 context-switches          #    0.005 M/sec                  
                 0 cpu-migrations            #    0.000 K/sec                  
               176 page-faults               #    0.295 M/sec                  
   <not supported> cycles                  
   <not supported> stalled-cycles-frontend 
   <not supported> stalled-cycles-backend  
   <not supported> instructions            
   <not supported> branches                
   <not supported> branch-misses           
   <not supported> L1-dcache-loads         
   <not supported> L1-dcache-load-misses   
   <not supported> LLC-loads               
   <not supported> LLC-load-misses         

       0.002397512 seconds time elapsed

chris@Minty ~ $