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

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Message-ID: <20150413134056.GE3200@kernel.org>
Date:	Mon, 13 Apr 2015 10:40:56 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Ingo Molnar <mingo@...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>, linux-mm@...ck.org
Subject: Re: [PATCH 3/9] perf kmem: Analyze page allocator events also

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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