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Date:	Mon, 10 Nov 2014 13:05:45 +0100
From:	Hagen Paul Pfeifer <hagen@...u.net>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Hemant Kumar <hemant@...ux.vnet.ibm.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	srikar@...ux.vnet.ibm.com, peterz@...radead.org, oleg@...hat.com,
	hegdevasant@...ux.vnet.ibm.com, mingo@...hat.com,
	systemtap@...rceware.org, aravinda@...ux.vnet.ibm.com,
	penberg@....fi, brendan.d.gregg@...il.com,
	"yrl.pp-manager.tt@...achi.com" <yrl.pp-manager.tt@...achi.com>
Subject: Re: [RFC] perf-cache command interface design

On 7 November 2014 09:21, Masami Hiramatsu
<masami.hiramatsu.pt@...achi.com> wrote:

> File Format
> ===========
> All the cache files are placed under ~/.debug/ by default.
> The paths of buildid cache of binary/symbols are not changed.
>
> The SDT/probe caches are placed under the ~/.debug/.probes/path/to/bin/bu/ildid
> and that is linked to ~/.debug/.probes/.buildid/bu/ildid
> # To avoid conflict with files under /probes/*, I picked up .probes/.

A little bit late: but why ~/.debug? Why not $XDG_CACHE_HOME/perf/ as
the root for all perf related files? debug is not unique nor is it sufficient
to meet file hierarchy: man file-hierarchy(8)

Hagen
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