[PATCH v4 0/7] Event parsing fixes

[Andi Kleen]

> There is one small difference where it now shows "stalled-cycles-..."
> as <not supported> events, when before it just didn't show them at all when
> they weren't supported:
> 
>   $ perf stat -- true
> 
>   Performance counter stats for 'true':
> 
>               0.66 msec task-clock                       #    0.384 CPUs utilized             
>                  0      context-switches                 #    0.000 /sec                      
>                  0      cpu-migrations                   #    0.000 /sec                      
>                 52      page-faults                      #   78.999 K/sec                     
>      <not counted>      cpu_atom/instructions/                                                  (0.00%)
>            978,399      cpu_core/instructions/           #    1.02  insn per cycle            
>      <not counted>      cpu_atom/cycles/                                                        (0.00%)
>            959,722      cpu_core/cycles/                 #    1.458 GHz                       
>    <not supported>      cpu_atom/stalled-cycles-frontend/                                      
>    <not supported>      cpu_core/stalled-cycles-frontend/                                      
> 
> I don't think that's a big deal though and could probably be fixed up
> later if we really want to.

I would prefer if that was fixed up. That's quite ugly for the default
view on x86/Intel.

-Andi