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From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>,
	linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com,
	peterz@infradead.org, oleg@redhat.com,
	hegdevasant@linux.vnet.ibm.com, mingo@redhat.com,
	anton@redhat.com, systemtap@sourceware.org, namhyung@kernel.org,
	aravinda@linux.vnet.ibm.com, penberg@iki.fi
Subject: Re: [PATCH v2 1/3] perf/sdt : Listing of SDT markers by perf
Date: Sun, 20 Jul 2014 12:17:45 +0900	[thread overview]
Message-ID: <53CB34D9.8090807@hitachi.com> (raw)
In-Reply-To: <87d2d24kui.fsf@tassilo.jf.intel.com>

(2014/07/19 2:50), Andi Kleen wrote:
> Hemant Kumar <hemant@linux.vnet.ibm.com> writes:
> 
> First I should say supporting these probes is very useful. Thanks for
> working on this.
> 
>> +
>> +#define SDT_CACHE_DIR "/var/cache/perf/"
> 
> This requires running perf as root, right?
> 
> It would be better to use the $HOME cache dir, like the recent JSON patches.

Even though, we have to enhance uprobe-tracer that allows non-root user
to add/remove events. :)
Anyway, I guess we can use ~/.debug for this purpose as buildid-cache does.

Thank you,


-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com



  reply	other threads:[~2014-07-20  3:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-17  5:53 [PATCH v2 0/3] perf/sdt : Support for SDT markers Hemant Kumar
2014-07-17  5:55 ` [PATCH v2 1/3] perf/sdt : Listing of SDT markers by perf Hemant Kumar
2014-07-18 17:50   ` Andi Kleen
2014-07-20  3:17     ` Masami Hiramatsu [this message]
2014-07-21  2:38     ` Namhyung Kim
2014-07-21  9:40       ` Hemant Kumar
2014-07-22 11:53     ` Hemant Kumar
2014-07-21  3:01   ` Namhyung Kim
2014-07-22 11:33     ` Hemant Kumar
2014-07-17  5:56 ` [PATCH v2 2/3] perf/sdt: Listing SDT markers for a single file Hemant Kumar
2014-07-17  5:56 ` [PATCH v2 3/3] perf/sdt: Documentation Hemant Kumar
2014-07-18 11:23 ` [PATCH v2 0/3] perf/sdt : Support for SDT markers Masami Hiramatsu
2014-07-19 17:32   ` Hemant Kumar
2014-07-20  3:16     ` Masami Hiramatsu
2014-07-21  2:29       ` Namhyung Kim
2014-07-21 12:24       ` Hemant Kumar
2014-07-22  5:30         ` Masami Hiramatsu

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