On Mon, Sep 11, 2017 at 09:56:02AM +0100, Chris Wilson wrote:
> At present, we try to do 1,000,000 cycles, which may be a reasonable
> estimate for detecting the race, takes 6 minutes in practice on bxt on a
> good day (as it spends more time doing rpm suspend/resume than actual work,
> and that accounts for more of the relative difference in performance
> between bxt and big core than the difference in clocks+ipc).
>
> An ideal solution would be to have a data-race detector in the kernel
> combined with a short test to exercise the different paths. Lacking the
> DRD, use a shorter test anyway. 5s is chosen simply on the basis that
> the other race subtest is also run over a 5s interval.
>
> Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Arkadiusz Hiler <[email protected]>
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