On Fri, Sep 04, 2009 at 11:27:19AM +0200, Peter Zijlstra wrote:
> On Fri, 2009-09-04 at 11:25 +0200, Peter Zijlstra wrote:
> > On Fri, 2009-09-04 at 11:19 +0200, Thomas Renninger wrote:
> > > You still use struct perf_pair split/hi/lo members in #ifdef __i386__
> > > case which you deleted above.
> >
> > > > shift_count = fls(h);
> > > >
> > > > - cur.aperf.whole >>= shift_count;
> > > > - cur.mperf.whole >>= shift_count;
> > > > + cur.aperf >>= shift_count;
> > > > + cur.mperf >>= shift_count;
> > > > }
> > > >
> > > > if (((unsigned long)(-1) / 100) < cur.aperf.split.lo) {
> > > Same here, possibly still elsewhere.
> > > Is this only x86_64 compile tested?
> >
> > Of course, who still has 32bit only hardware anyway ;-)
> >
> > Will fix, thanks for spotting that.
>
> Hrmm, on that, does it really make sense to maintain the i386 code path?
>
> How frequently is that code called and what i386 only chips support
> aperf/mperf, atom?
any 64-bit cpu that supports it can have a 32bit kernel installed on it.
(and a significant number of users actually do this).
Dave
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