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    SubjectRe: [PATCH] perf tools: Fix reading of perf.data file header

    * Brice Goglin <Brice.Goglin@inria.fr> wrote:

    > Ingo Molnar wrote:
    > > I completely forgot about it. And since we now have --scale enabled
    > > by default (and it doesnt make much sense to disable it i guess), it
    > > would not be a big issue to rename that -c/--scale to free up that
    > > flag for -S/--stat?
    > >
    > > Ingo
    > >
    >
    >
    > Here you are. But how do you switch "scale" off now that it's
    > disabled by default? I tried --scale=0, --no-scale and so on
    > without apparently succeeding.

    --no-scale seems to work here:

    aldebaran:~> perf stat --no-scale -e 0:0 -e 0:0 -e 0:0 -e 0:0 -e 0:0
    -e 0:0 -e 0:0 -e 0:0 ~/loop_1b_instructions

    Performance counter stats for '/home/mingo/loop_1b_instructions':

    469128160 cycles
    469072870 cycles
    470517049 cycles
    473750835 cycles
    476987439 cycles
    477364955 cycles
    474188871 cycles
    470950809 cycles

    0.237171581 seconds time elapsed

    aldebaran:~> perf stat --scale -e 0:0 -e 0:0 -e 0:0 -e 0:0 -e 0:0 -e
    0:0 -e 0:0 -e 0:0 ~/loop_1b_instructions

    Performance counter stats for '/home/mingo/loop_1b_instructions':

    756242908 cycles (scaled from 62.00%)
    756238670 cycles (scaled from 62.00%)
    756237417 cycles (scaled from 62.23%)
    756093940 cycles (scaled from 62.66%)
    756097133 cycles (scaled from 63.08%)
    756141523 cycles (scaled from 63.10%)
    756142674 cycles (scaled from 62.68%)
    756154220 cycles (scaled from 62.26%)

    0.236972028 seconds time elapsed

    Ingo


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