On Wed, Sep 9, 2015 at 1:32 AM, Miroslav Lichvar <mlich...@redhat.com> wrote: > On Tue, Sep 08, 2015 at 10:57:06PM -0700, John Stultz wrote: >> Recently an issue was reported that was difficult to detect except >> by tweaking the adjtimex tick value, and noticing how quickly the >> adjustment took to be made: >> https://lkml.org/lkml/2015/9/1/488 >> >> Thus this patch introduces a new test which manipulates the adjtimex >> tick value and validates the results are what we expect. > > Great! > >> + ppm = ((long long)tickval * MILLION)/10000 - MILLION; > > I think this needs to be based on sysconf(_SC_CLK_TCK) or similar, > since the user-space HZ is not 100 on all archs.
Good point. Fixing that up now. Will resend in a bit. thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
