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From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: Tyler Retzlaff <roretzla@linux.microsoft.com>,
	dev@dpdk.org, dmitry.kozliuk@gmail.com,
	navasile@linux.microsoft.com, ciara.power@intel.com
Subject: Re: [dpdk-dev] [PATCH v2] metrics/windows: build rte_metrics library
Date: Wed, 20 Jan 2021 12:09:19 +0100	[thread overview]
Message-ID: <3646223.fRS4d9ebDi@thomas> (raw)
In-Reply-To: <20210120103757.GB1406@bricha3-MOBL.ger.corp.intel.com>

20/01/2021 11:37, Bruce Richardson:
> On Tue, Jan 19, 2021 at 10:52:03PM +0100, Thomas Monjalon wrote:
> > 19/01/2021 22:31, Tyler Retzlaff:
> > > On Sun, Jan 17, 2021 at 11:19:55PM +0100, Thomas Monjalon wrote:
> > > > 
> > > > Not sure it makes sense without the new telemetry feature.
> > > > Please focus on telemetry lib instead of half-enabling
> > > > the old metrics lib.
> > > > 
> > > 
> > > can you elaborate? (or reference a mailing list discussion) that gives some
> > > guidance?
> > > 
> > > is the telemetry lib a replacement for metrics? the component we have now
> > > relies on the non-telemetry functions exported from metrics but does not
> > > use the telemetry functions.
> > > 
> > > also, i notice that the meson.build for telemetry lib has an include path
> > > that references rte_metrics but does not appear to actually include any of
> > > the headers from rte_metrics (vestigial? missed in previous cleanup perhaps?)
> > 
> > I think Bruce and Ciara will better explain than me
> > the intent of the telemetry lib and the compatibility path with the metrics lib.
> > 
> 
> The include path addition for metrics to the telemetry library does indeed
> look like it was just missed being removed, since I can compile things up
> successfully with it removed.
> 
> With regards to interaction between telemetry library and metrics library,
> they are complementary but not replacements for each other. The metrics
> library provides support for tracking metrics, mostly on a per-port basis.
> The original telemetry library implementation was based on top of the
> metrics library and supported reporting out data from that library. More
> recent versions of the telemetry library have reworked that support to
> allow the reporting of arbitrary telemetry data, not just from the metrics
> library, but the old interface is still supported.

The question is what is available in rte_metrics which is not already
available with rte_telemetry only?
I think rte_metrics is used only for rte_bitratestats and rte_latencystats.
Can we use rte_telemetry for this and forget rte_metrics?



  reply	other threads:[~2021-01-20 11:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11 23:37 [dpdk-dev] [PATCH] " Tyler Retzlaff
2021-01-12  1:15 ` Dmitry Kozlyuk
2021-01-12  1:32   ` Tyler Retzlaff
2021-01-12  6:44     ` Tal Shnaiderman
2021-01-12  1:30 ` [dpdk-dev] [PATCH v2] " Tyler Retzlaff
2021-01-17 22:19   ` Thomas Monjalon
2021-01-19 21:31     ` Tyler Retzlaff
2021-01-19 21:52       ` Thomas Monjalon
2021-01-20 10:37         ` Bruce Richardson
2021-01-20 11:09           ` Thomas Monjalon [this message]
2021-01-20 11:54             ` Bruce Richardson
2021-01-20 12:13               ` Thomas Monjalon
2021-01-20 13:57                 ` Bruce Richardson

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