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Date: Thu, 12 Mar 2015 16:54:22 +0100 From: Ingo Molnar <mingo@...nel.org> To: Namhyung Kim <namhyung@...nel.org> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Jiri Olsa <jolsa@...hat.com>, LKML <linux-kernel@...r.kernel.org>, David Ahern <dsahern@...il.com>, Minchan Kim <minchan@...nel.org>, Joonsoo Kim <js1304@...il.com> Subject: Re: [RFC/PATCHSET 0/6] perf kmem: Implement page allocation analysis (v1) * Namhyung Kim <namhyung@...nel.org> 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! Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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