[EMAIL PROTECTED] wrote: > > Andrew Morton wrote: > > Calculating this stuff accurately is very expensive. You'll get a better > > answer using proc-pid-smaps.patch from -mm, but even that won't tell you > > things about sharing levels of the pages. > > Great, thanks! I'll play around with this: > http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.13-rc1/2.6.13-rc1-mm1/broken-out/proc-pid-smaps.patch
OK, please let us know how it goes. > Looks like it's been stable for 4 months? yup, although I don't think it's been used much. > Given that it's an independent /proc/$pid/smaps file, > it only needs to be queried when required and so > I wouldn't worry too much about cost. `top` wouldn't use it > for e.g., but specialised tools like mine would. I agree, but people get upset ;) Plus some userspace tool developer might see it and start using it without knowing the cost on big iron. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
