On Tuesday 07 November 2006 17:17, Torsten Foertsch wrote: > You can directly look at /proc/<PID>/smaps or use Linux::Smaps. I > don't know what GTop does but I know how /proc/<PID>/smaps work. > Also, don't do it too often. Reading from /proc/<PID>/smaps is really > expensive particularly for large process sizes.
Wow. Yeah, that's really interesting! So, I started to dive into what this means... I have a lot to learn here... Thanks, I'll be investigating. > Maybe I forgot to say in the docs, /proc/<PID>/smaps cannot determine > if a page is shared or private if it is out of core (paged out). > Hence to make your measurement accurate you must lock the parent > apache in core or turn off swapping completely. Heh, that's no problem, because our sysadmin insists that swapping sucks, so there is no swap on those boxes... Cheers, Kjetil -- Kjetil Kjernsmo Information Systems Developer Opera Software ASA