• Namhyung Kim's avatar
    perf stat: Align scaled output of cpu-clock · 9dac6a29
    Namhyung Kim authored
    The output of cpu-clock event is controlled in nsec_printout(),
    but its alignment was broken:
    
     Performance counter stats for 'sleep 1':
    
             6,038,774 instructions              #    0.00  insns per cycle
                   180 faults                    #    0.007 K/sec                   [99.95%]
             1,282,201 branches                  #    0.053 M/sec                   [99.84%]
          24126.221811 cpu-clock                 [99.62%]
          24121.689540 task-clock                #   24.098 CPUs utilized           [99.52%]
    
           1.001001017 seconds time elapsed
    
    This patch fixes this:
    
     Performance counter stats for 'sleep 1':
    
            13,540,843 instructions              #    0.00  insns per cycle
                   180 faults                    #    0.007 K/sec                   [99.94%]
             2,875,386 branches                  #    0.119 M/sec                   [99.82%]
          24144.221137 cpu-clock                                                    [99.61%]
          24133.515366 task-clock                #   24.109 CPUs utilized           [99.52%]
    
           1.001020946 seconds time elapsed
    
    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: Namhyung Kim <namhyung@gmail.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Link: http://lkml.kernel.org/r/1328514285-26232-2-git-send-email-namhyung.kim@lge.comSigned-off-by: default avatarNamhyung Kim <namhyung.kim@lge.com>
    Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    9dac6a29
builtin-stat.c 33.1 KB