On Thu, Aug 16, 2007 at 09:13:47PM -0500, Matt Mackall wrote: > On Fri, Aug 17, 2007 at 06:05:17AM +0800, Fengguang Wu wrote: > > The "proportional set size" (PSS) of a process is the count of pages it has > > in > > memory, where each page is divided by the number of processes sharing it. > > So if > > a process has 1000 pages all to itself, and 1000 shared with one other > > process, > > its PSS will be 1500. > > - lwn.net: "ELC: How much memory are applications really > > using?" > > > > The PSS proposed by Matt Mackall is a very nice metic for measuring an > > process's > > memory footprint. So collect and export it via /proc/<pid>/smaps. > > > > Matt Mackall's pagemap/kpagemap and John Berthels's exmap can also do the > > job. > > They are comprehensive tools. But for PSS, let's do it in the simple way. > > It's a bit odd that you attribute the description of PSS to LWN rather > than me. But anyway: > > Acked-by: Matt Mackall <[EMAIL PROTECTED]>
Sorry and thank you! I'll change it in the next take. - 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/
