Hi Ingo, On Thu, Mar 12, 2015 at 04:54:22PM +0100, Ingo Molnar wrote: > > * Namhyung Kim <[email protected]> wrote: > > > > I.e. something like this (mockup) output: > > > > > > SUMMARY (page allocator) > > > ======================== > > > > > > Pages allocated+freed: 12,593 [ 51,630,080 bytes ] > > > > > > Pages allocated-only: 2,342 [ 1,235,010 bytes ] > > > Pages freed-only: 67 [ 135,311 bytes ] > > > > > > Page allocation failures : 0 > > > > Looks a lot better! > > > > One thing I need to tell you is that the numbers are not pages but > > requests. > > Yes, but in the MM code we tend to call larger order allocations > 'pages' as well: higher order pages, such as a 2MB hugepage, or a 8K > order-1 page. So at least in MM-speak it should be OK to call them > 'pages'. > > But your call!
How about this? SUMMARY (page allocator) ======================== Total allocation requests : 9,015 [ 37,200 Kbytes ] (A) Total free requests : 8,093 [ 33,176 Kbytes ] (B) Total alloc+freed requests : 7,985 [ 32,732 Kbytes ] (C) Total alloc-only requests : 1,030 [ 4,468 Kbytes ] (D) Total free-only requests : 108 [ 444 Kbytes ] (E) Total allocation failure : 0 [ 0 Kbytes ] (A) = (C) + (D) (B) = (C) + (E) Thanks, Namhyung -- 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/

