Re: [PATCH 3/9] perf kmem: Analyze page allocator events also

From: Arnaldo Carvalho de Melo
Date: Mon Apr 13 2015 - 09:41:07 EST

Em Mon, Apr 06, 2015 at 02:36:10PM +0900, Namhyung Kim escreveu:
> The perf kmem command records and analyze kernel memory allocation
> only for SLAB objects. This patch implement a simple page allocator
> analyzer using kmem:mm_page_alloc and kmem:mm_page_free events.
> It adds two new options of --slab and --page. The --slab option is
> for analyzing SLAB allocator and that's what perf kmem currently does.
> The new --page option enables page allocator events and analyze kernel
> memory usage in page unit. Currently, 'stat --alloc' subcommand is
> implemented only.
> If none of these --slab nor --page is specified, --slab is implied.
> # perf kmem stat --page --alloc --line 10

Applied this and the kernel part, tested, thanks,

- Arnaldo
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