perf stat output

gistfile1.txt

[sweeks@sweeks-laptop ~]$ perf stat --repeat=20 perl6 -e 'say "hello world"'
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world
hello world

 Performance counter stats for 'perl6 -e say "hello world"' (20 runs):

       1448.345019 task-clock                #    0.992 CPUs utilized            ( +-  0.32% )
               203 context-switches          #    0.000 M/sec                    ( +-  2.36% )
                 8 CPU-migrations            #    0.000 M/sec                    ( +-  9.84% )
            33,746 page-faults               #    0.023 M/sec                    ( +-  0.10% )
     4,514,710,362 cycles                    #    3.117 GHz                      ( +-  0.28% ) [83.33%]
     2,983,517,737 stalled-cycles-frontend   #   66.08% frontend cycles idle     ( +-  0.40% ) [83.31%]
     1,479,904,814 stalled-cycles-backend    #   32.78% backend  cycles idle     ( +-  1.50% ) [66.65%]
     3,540,601,208 instructions              #    0.78  insns per cycle        
                                             #    0.84  stalled cycles per insn  ( +-  0.04% ) [83.33%]
       604,324,469 branches                  #  417.252 M/sec                    ( +-  0.03% ) [83.36%]
        13,655,618 branch-misses             #    2.26% of all branches          ( +-  0.36% ) [83.35%]

       1.460349601 seconds time elapsed                                          ( +-  0.33% )