FSHIFT
(long)nrun * FSCALE * (FSCALE - cexp[i])) >> FSHIFT;
acc = (cpticks << FSHIFT) / ttlticks;
tmp = (averunnable.ldavg[0] * 100 + FSCALE / 2) >> FSHIFT;
pctcpu = (lp->lwp_pctcpu * 10000 + FSCALE / 2) >> FSHIFT;
loadav = (averunnable.ldavg[0] + FSCALE / 2) >> FSHIFT;
#define FSCALE (1<<FSHIFT)