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Performance counter stats Was Re: [idea]: Switch default compression from "xz" to "zstd" for .deb packages



On 9/16/23, Robert Edmonds wrote:

> $ time xz -v -k -T0 -6 data.tar
> data.tar (1/1)
>   100 %        71.9 MiB / 452.5 MiB = 0.159    21 MiB/s       0:21
>
>  Performance counter stats for 'xz -v -k -T0 -6 data.tar':
>
>         206,070.39 msec task-clock                       #    9.602 CPUs
> utilized
>             10,333      context-switches                 #   50.143 /sec
>                 35      cpu-migrations                   #    0.170 /sec
>             73,502      page-faults                      #  356.684 /sec
>    925,351,049,292      cycles                           #    4.490 GHz
>    945,596,486,369      instructions                     #    1.02  insn per
> cycle
>    106,039,632,660      branches                         #  514.580 M/sec
>      6,702,750,057      branch-misses                    #    6.32% of all
> branches
>
>       21.460119122 seconds time elapsed
>
>      205.460711000 seconds user
>        0.567559000 seconds sys

What did you do to get the "Performance counter stats" section in the
results for time?

TIA,
Lee


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