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Message-ID: <20130118232507.GM4051@tassilo.jf.intel.com>
Date: Fri, 18 Jan 2013 15:25:07 -0800
From: Andi Kleen <ak@...ux.intel.com>
To: Stephane Eranian <eranian@...gle.com>
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
acme@...hat.com, jolsa@...hat.com, namhyung.kim@....com
Subject: Re: [PATCH v6 11/18] perf tools: add mem access sampling core support
On Tue, Jan 15, 2013 at 04:39:39PM +0100, Stephane Eranian wrote:
> This patch adds the sorting and histogram support
> functions to enable profiling of memory accesses.
>
> The following sorting orders are added:
> - symbol_daddr: data address symbol (or raw address)
> - dso_daddr: data address shared object
> - weight: access cost
> - locked: access uses locked transaction
> - tlb : TLB access
> - mem : memory level of the access (L1, L2, L3, RAM, ...)
> - snoop: access snoop mode
Do they actually sort? I found that the sort keys do not actually
sort in most cases. This is mostly an issue with numbers like
"weight" and of course not added by your patch.
-Andi
--
ak@...ux.intel.com -- Speaking for myself only
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