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From: Morten Brørup <mb@smartsharesystems.com>
To: "Bruce Richardson" <bruce.richardson@intel.com>,
	"David Marchand" <david.marchand@redhat.com>
Cc: "Ciara Power" <ciara.power@intel.com>,
	"Kevin Laatz" <kevin.laatz@intel.com>, "dev" <dev@dpdk.org>,
	"Pattan, Reshma" <reshma.pattan@intel.com>,
	"Harry van Haaren" <harry.van.haaren@intel.com>,
	"Jerin Jacob Kollanukkaran" <jerinj@marvell.com>,
	Mattias Rönnblom <mattias.ronnblom@ericsson.com>,
	"Sunil Kumar Kori" <skori@marvell.com>,
	"Yigit, Ferruh" <ferruh.yigit@intel.com>,
	"Andrew Rybchenko" <arybchenko@solarflare.com>,
	"Declan Doherty" <declan.doherty@intel.com>,
	"Olivier Matz" <olivier.matz@6wind.com>,
	"Neil Horman" <nhorman@tuxdriver.com>,
	"Ray Kinsella" <mdr@ashroe.eu>,
	"Thomas Monjalon" <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH 00/12] update and simplify telemetry library.
Date: Thu, 2 Apr 2020 10:30:41 +0200
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35C60F32@smartserver.smartshare.dk> (raw)
In-Reply-To: <20200401161607.GA152@bricha3-MOBL.ger.corp.intel.com>

> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Bruce Richardson
> Sent: Wednesday, April 1, 2020 6:16 PM
> 
> On Wed, Apr 01, 2020 at 05:42:21PM +0200, David Marchand wrote:
> > Hello,
> >
> > On Thu, Mar 19, 2020 at 6:35 PM Ciara Power <ciara.power@intel.com>
> wrote:
> > >
> > > This patchset extensively reworks the telemetry library adding new
> > > functionality and simplifying much of the existing code, while
> > > maintaining backward compatibility.

[...]
 
> > Is there a reason to keep a separate telemetry library rather than
> > integrate this framework into EAL?
> >
> No reason this could not be done, however, since telemetry library is
> already separate, and EAL is already pretty crowded, I think keeping
> this
> separate might lead to easier maintenance.
> 
> However, if people generally prefer it just merged into EAL, that can
> be
> done also.
> 

No! EAL is the Environment Abstraction Layer. EAL should only provide the common abstraction interface for the different hardware/hypervisors and operating systems that may lie beneath the DPDK application, and nothing else.

If there is consensus that everyone absolutely needs some feature, which is not an abstraction of the underlying execution environment, it should be in a "Common" (or "Framework" or "Support") library instead.

EAL is already way too bloated.

Take Service Cores for instance: It doesn't provide a shim for the underlying execution environment; it provides a process scheduling framework, which is optional for the DPDK application to use or not.

The same goes for the Trace library. Not a shim, but a framework library.

Logging is even worse: It logs to a file, but if it was truly an environment abstraction, it would log to the Event Log on Windows. In other words... Logging is not implemented as an environment abstraction, but at the preference of its implementer. I would consider it a core/framework library, not an EAL library.


Med venlig hilsen / kind regards
- Morten Brørup


  reply	other threads:[~2020-04-02  8:30 UTC|newest]

Thread overview: 130+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 17:18 Ciara Power
2020-03-19 17:18 ` [dpdk-dev] [PATCH 01/12] telemetry: move code to metrics for later reuse Ciara Power
2020-03-19 17:18 ` [dpdk-dev] [PATCH 02/12] metrics: reduce code taken from telemetry Ciara Power
2020-03-19 17:18 ` [dpdk-dev] [PATCH 03/12] telemetry: invert dependency on metrics Ciara Power
2020-03-19 17:18 ` [dpdk-dev] [PATCH 04/12] telemetry: introduce new telemetry functionality Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 05/12] ethdev: add callback support for telemetry Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 06/12] usertools: add new telemetry python script Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 07/12] rawdev: add callback support for telemetry Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 08/12] examples/l3fwd-power: enable use of new telemetry Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 09/12] telemetry: introduce telemetry backward compatibility Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 10/12] telemetry: remove existing telemetry files Ciara Power
2020-03-19 17:19 ` [dpdk-dev] [PATCH 11/12] lib: add telemetry as eal dependency Ciara Power
2020-03-20 12:03   ` Jerin Jacob
2020-03-20 13:50     ` Bruce Richardson
2020-03-19 17:19 ` [dpdk-dev] [PATCH 12/12] eal: add eal telemetry callbacks Ciara Power
2020-04-01 15:42 ` [dpdk-dev] [PATCH 00/12] update and simplify telemetry library David Marchand
2020-04-01 16:16   ` Bruce Richardson
2020-04-02  8:30     ` Morten Brørup [this message]
2020-04-02  9:38       ` Thomas Monjalon
2020-04-01 16:48 ` Wiles, Keith
2020-04-02 10:09   ` Bruce Richardson
2020-04-08 16:49 ` [dpdk-dev] [PATCH v2 00/16] " Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 01/16] build: add arch-specific header path to global includes Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 02/16] telemetry: move code to metrics for later reuse Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 03/16] metrics: reduce code taken from telemetry Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 04/16] telemetry: invert dependency on metrics Ciara Power
2020-04-10 16:15     ` Pattan, Reshma
2020-04-15  9:50       ` Power, Ciara
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 05/16] telemetry: introduce new telemetry functionality Ciara Power
2020-04-08 17:56     ` Wiles, Keith
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 06/16] telemetry: add utility functions for creating json Ciara Power
2020-04-08 18:12     ` Wiles, Keith
2020-04-09  8:19       ` Bruce Richardson
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 07/16] app/test: add telemetry json tests Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 08/16] ethdev: add callback support for telemetry Ciara Power
2020-04-08 18:16     ` Wiles, Keith
2020-04-09  8:20       ` Bruce Richardson
2020-04-10  9:57         ` [dpdk-dev] [PATCH v2 08/16] ethdev: add callback support fortelemetry Morten Brørup
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 09/16] usertools: add new telemetry python script Ciara Power
2020-04-10  9:43     ` Pattan, Reshma
2020-04-10  9:54       ` Bruce Richardson
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 10/16] rawdev: add callback support for telemetry Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 11/16] examples/l3fwd-power: enable use of new telemetry Ciara Power
2020-04-10  8:42     ` Pattan, Reshma
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 12/16] telemetry: introduce telemetry backward compatibility Ciara Power
2020-04-10 17:00     ` Pattan, Reshma
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 13/16] telemetry: remove existing telemetry files Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 14/16] lib: add telemetry as eal dependency Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 15/16] eal: add eal telemetry callbacks Ciara Power
2020-04-08 16:49   ` [dpdk-dev] [PATCH v2 16/16] doc: update telemetry documentation Ciara Power
2020-04-08 18:03   ` [dpdk-dev] [PATCH v2 00/16] update and simplify telemetry library Thomas Monjalon
2020-04-09  9:19     ` Bruce Richardson
2020-04-09  9:37       ` Thomas Monjalon
2020-04-10 14:39         ` Wiles, Keith
2020-04-10 14:51           ` Thomas Monjalon
2020-04-10 14:59             ` Wiles, Keith
2020-04-23 10:30         ` Luca Boccassi
2020-04-23 10:44           ` Thomas Monjalon
2020-04-23 11:46             ` Luca Boccassi
2020-04-10 10:49   ` Morten Brørup
2020-04-10 14:21     ` Wiles, Keith
2020-04-10 18:06       ` [dpdk-dev] [PATCH v2 00/16] update and simplify telemetrylibrary Morten Brørup
2020-04-20 13:18         ` Bruce Richardson
2020-04-20 14:55           ` [dpdk-dev] [PATCH v2 00/16] update and simplifytelemetrylibrary Morten Brørup
2020-04-21 12:39 ` [dpdk-dev] [PATCH v3 00/17] update and simplify telemetry library Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 01/17] build: add arch-specific header path to global includes Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 02/17] telemetry: move code to metrics for later reuse Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 03/17] metrics: reduce code taken from telemetry Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 04/17] telemetry: invert dependency on metrics Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 05/17] telemetry: introduce new telemetry functionality Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 06/17] telemetry: add utility functions for creating json Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 07/17] app/test: add telemetry json tests Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 08/17] ethdev: add callback support for telemetry Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 09/17] usertools: add new telemetry python script Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 10/17] rawdev: add callback support for telemetry Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 11/17] examples/l3fwd-power: enable use of new telemetry Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 12/17] telemetry: introduce telemetry backward compatibility Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 13/17] telemetry: remove existing telemetry files Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 14/17] lib: add telemetry as eal dependency Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 15/17] eal: remove rte-option infrastructure Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 16/17] eal: add eal telemetry callbacks Ciara Power
2020-04-21 12:39   ` [dpdk-dev] [PATCH v3 17/17] doc: update telemetry documentation Ciara Power
2020-04-24 12:41 ` [dpdk-dev] [PATCH v4 00/18] update and simplify telemetry library Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 01/18] build: add arch-specific header path to global includes Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 02/18] telemetry: move code to metrics for later reuse Ciara Power
2020-04-24 15:29     ` Stephen Hemminger
2020-04-24 15:49       ` Bruce Richardson
2020-04-27  9:53       ` Power, Ciara
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 03/18] metrics: reduce code taken from telemetry Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 04/18] telemetry: invert dependency on metrics Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 05/18] telemetry: add utility functions for creating json Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 06/18] telemetry: introduce new telemetry functionality Ciara Power
2020-04-24 20:50     ` Wiles, Keith
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 07/18] telemetry: add functions for returning callback data Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 08/18] telemetry: add default callback commands Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 09/18] usertools: add new telemetry python script Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 10/18] ethdev: add callback support for telemetry Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 11/18] rawdev: " Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 12/18] examples/l3fwd-power: enable use of new telemetry Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 13/18] telemetry: introduce telemetry backward compatibility Ciara Power
2020-04-24 20:59     ` Wiles, Keith
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 14/18] telemetry: remove existing telemetry files Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 15/18] lib: add telemetry as eal dependency Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 16/18] eal: remove rte-option infrastructure Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 17/18] eal: add eal telemetry callbacks Ciara Power
2020-04-24 12:41   ` [dpdk-dev] [PATCH v4 18/18] doc: update telemetry documentation Ciara Power
2020-04-24 21:09   ` [dpdk-dev] [PATCH v4 00/18] update and simplify telemetry library Wiles, Keith
2020-04-30 16:01 ` [dpdk-dev] [PATCH v5 " Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 01/18] build: add arch-specific header path to global includes Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 02/18] telemetry: move code to metrics for later reuse Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 03/18] metrics: reduce code taken from telemetry Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 04/18] telemetry: invert dependency on metrics Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 05/18] telemetry: add utility functions for creating json Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 06/18] telemetry: introduce new telemetry functionality Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 07/18] telemetry: add functions for returning callback data Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 08/18] telemetry: add default callback commands Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 09/18] usertools: add new telemetry python script Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 10/18] ethdev: add callback support for telemetry Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 11/18] rawdev: " Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 12/18] examples/l3fwd-power: enable use of new telemetry Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 13/18] telemetry: introduce telemetry backward compatibility Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 14/18] telemetry: remove existing telemetry files Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 15/18] lib: add telemetry as eal dependency Ciara Power
2020-05-10 22:29     ` Thomas Monjalon
2020-05-11  8:41       ` Bruce Richardson
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 16/18] eal: remove rte-option infrastructure Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 17/18] eal: add eal telemetry callbacks Ciara Power
2020-04-30 16:01   ` [dpdk-dev] [PATCH v5 18/18] doc: update telemetry documentation Ciara Power
2020-05-01 14:41   ` [dpdk-dev] [PATCH v5 00/18] update and simplify telemetry library Wiles, Keith
2020-05-10 22:41   ` Thomas Monjalon

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