Re: [tip:perf/core] perf evsel: Fix inverted test for fixing upattr.inherit flag

[Arnaldo Carvalho de Melo]

Em Thu, Apr 14, 2011 at 05:47:26PM +0200, Peter Zijlstra escreveu:
> On Mon, 2011-04-11 at 14:35 -0300, Arnaldo Carvalho de Melo wrote:
> > 
> > Can you check if the patch below fixes this? An acked-by or tested-by
> > tag would be mucho appreciated.
> > 
> 
> Didn't work..
> 
> # ./perf stat ~/loop_1b_instructions-4x
> 
>  Performance counter stats for '/root/loop_1b_instructions-4x':
> 
>         288.908743 task-clock-msecs         #      0.444 CPUs 
>                 51 context-switches         #      0.000 M/sec
>                  1 CPU-migrations           #      0.000 M/sec
>                116 page-faults              #      0.000 M/sec
>        715,288,186 cycles                   #   2475.827 M/sec  (scaled from 49.77%)
>      1,000,703,570 instructions             #      1.399 IPC    (scaled from 64.61%)
>        100,255,005 branches                 #    347.013 M/sec  (scaled from 56.19%)
>             11,453 branch-misses            #      0.011 %      (scaled from 65.27%)
>             26,089 cache-references         #      0.090 M/sec  (scaled from 43.82%)
>                110 cache-misses             #      0.000 M/sec  (scaled from 36.35%)
> 
>         0.649991199  seconds time elapsed
> 
> That wants to have 4b insn

There was another, sillier problem, now seems to work, ack?

[acme@emilia linux]$ perf stat ~/loop_1b_instructions-4x

 Performance counter stats for '/home/acme/loop_1b_instructions-4x':

       1451.781634 task-clock-msecs         #      3.965 CPUs 
             1,463 context-switches         #      0.001 M/sec
                 3 CPU-migrations           #      0.000 M/sec
               187 page-faults              #      0.000 M/sec
     2,865,021,951 cycles                   #   1973.452 M/sec  (scaled from 70.29%)
     4,001,127,146 instructions             #      1.397 IPC    (scaled from 80.24%)
       401,476,915 branches                 #    276.541 M/sec  (scaled from 80.27%)
            63,800 branch-misses            #      0.016 %      (scaled from 80.29%)
           262,866 cache-references         #      0.181 M/sec  (scaled from 20.14%)
            10,938 cache-misses             #      0.008 M/sec  (scaled from 20.07%)

        0.366184692  seconds time elapsed

[acme@emilia linux]$