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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Hemant Kumar <hemant@linux.vnet.ibm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com,
	oleg@redhat.com, hegdevasant@linux.vnet.ibm.com,
	mingo@redhat.com, systemtap@sourceware.org,
	aravinda@linux.vnet.ibm.com, penberg@iki.fi,
	brendan.d.gregg@gmail.com,
	"yrl.pp-manager.tt@hitachi.com" <yrl.pp-manager.tt@hitachi.com>
Subject: Re: [RFC] perf-cache command interface design
Date: Fri, 7 Nov 2014 13:33:02 -0200	[thread overview]
Message-ID: <20141107153302.GB2137@redhat.com> (raw)
In-Reply-To: <545CE239.6050205@gmail.com>

Em Fri, Nov 07, 2014 at 08:16:09AM -0700, David Ahern escreveu:
> On 11/7/14, 1:42 AM, Peter Zijlstra wrote:
> >On Fri, Nov 07, 2014 at 05:21:08PM +0900, Masami Hiramatsu wrote:
> >>The paths of buildid cache of binary/symbols are not changed.
> >
> >Could we get an option in .perfconfig to disable the buildid cache? Its
> >pointless diskspace wastage for some of us.
> 
> I was going to respond with the same. This:
> 
> [buildid]
>    # Default, disable using /dev/null
>    dir = /dev/null
> 
> disables the build-id cache. Hopefully that extends to all the other
> caches getting discussed.

I think this can even be something Kconfig'ed, and we can provide a
.config file for people like Peter that want as barebone a perf he can
get over with :-)

/me needs to try that last perf Kconfig patchkit...

- Arnaldo

  reply	other threads:[~2014-11-07 15:33 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-02 10:53 [PATCH v4 0/5] perf/sdt: SDT events listing/probing Hemant Kumar
2014-11-02 10:54 ` [PATCH v4 1/5] perf/sdt: ELF support for SDT Hemant Kumar
2014-11-02 10:54 ` [PATCH v4 2/5] perf/sdt: Add SDT events into a cache Hemant Kumar
2014-11-02 10:55 ` [PATCH v4 3/5] perf/sdt: Show SDT cache contents Hemant Kumar
2014-11-02 10:55 ` [PATCH v4 4/5] perf/sdt: Delete SDT events from cache Hemant Kumar
2014-11-02 10:56 ` [PATCH v4 5/5] perf/sdt: Add support to perf record to trace SDT events Hemant Kumar
2014-11-04  7:38   ` Namhyung Kim
2014-11-04  8:06     ` Hemant Kumar
2014-11-04 12:56       ` Masami Hiramatsu
     [not found]         ` <5459BD3E.7010804@linux.vnet.ibm.com>
2014-11-05  6:50           ` Hemant Kumar
2014-11-05  9:07             ` Masami Hiramatsu
2014-11-05 13:28               ` Arnaldo Carvalho de Melo
2014-11-05  7:06         ` Namhyung Kim
2014-11-05  9:05           ` Masami Hiramatsu
2014-11-06  2:15             ` Josh Stone
2014-11-06  5:33               ` Masami Hiramatsu
2014-11-06  7:06             ` Hemant Kumar
2014-11-06 14:56               ` Masami Hiramatsu
2014-11-07  8:21               ` [RFC] perf-cache command interface design Masami Hiramatsu
2014-11-07  8:42                 ` Peter Zijlstra
2014-11-07 13:57                   ` [PATCH RESEND 1/2] perf tools: Move disable_buildid_cache() to util/build-id.c Namhyung Kim
2014-11-07 13:57                     ` [PATCH 2/2] perf tools: Add record.use-buildid-cache config option Namhyung Kim
2014-11-20  7:36                     ` [tip:perf/core] perf build-id: Move disable_buildid_cache() to util/build-id.c tip-bot for Namhyung Kim
2014-11-07 15:16                   ` [RFC] perf-cache command interface design David Ahern
2014-11-07 15:33                     ` Arnaldo Carvalho de Melo [this message]
2014-11-07 10:51                 ` Hemant Kumar
2014-11-08  4:15                   ` Masami Hiramatsu
2014-11-07 14:38                 ` Arnaldo Carvalho de Melo
2014-11-08  4:26                   ` Masami Hiramatsu
2014-11-07 14:43                 ` Namhyung Kim
2014-11-08  4:38                   ` Masami Hiramatsu
2014-11-10 10:59                 ` Masami Hiramatsu
2014-11-10 12:23                   ` Arnaldo Carvalho de Melo
2014-11-11  6:53                     ` Masami Hiramatsu
2014-11-11 13:10                       ` Arnaldo Carvalho de Melo
2014-11-12 15:25                         ` Masami Hiramatsu
2014-11-17  3:08                           ` Namhyung Kim
2014-11-17  3:17                             ` Masami Hiramatsu
2014-11-17 22:09                               ` Masami Hiramatsu
2014-11-18  4:51                                 ` Namhyung Kim
2014-11-18 11:16                                   ` Masami Hiramatsu
2014-11-18  4:41                               ` Namhyung Kim
2014-11-18 10:32                                 ` Masami Hiramatsu
2014-11-17 18:58                             ` Arnaldo Carvalho de Melo
2014-11-18  4:45                               ` Namhyung Kim
2014-11-10 12:05                 ` Hagen Paul Pfeifer
2014-11-10 12:31                   ` Arnaldo Carvalho de Melo
2014-11-10 12:50                   ` Peter Zijlstra
2014-11-10 13:37                     ` Hagen Paul Pfeifer
2014-11-05 18:23           ` [PATCH v4 5/5] perf/sdt: Add support to perf record to trace SDT events Hemant Kumar

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