[dpdk-dev] [PATCH v2] app/testpmd: add bitrate stats option

Thomas Monjalon thomas at monjalon.net
Mon May 1 22:22:26 CEST 2017


01/05/2017 22:07, Patil, Harish:
> Hi Remy,
> Have a small suggestion here.
> Since testpmd uses new libraries of librte_latencystats and
> librte_bitratestats it hurts packet processing performance.
> Many users who use testpmd to do the initial performance benchmarks may
> not be aware of such a feature is default enabled.

Yes, the default config of testpmd must give good performance.

> So can we disable this feature by default in the config?
> ·         CONFIG_RTE_LIBRTE_BITRATE=n
> ·         CONFIG_RTE_LIBRTE_LATENCY_STATS=n
> Only those folks interested in latency/jitter measurements can recompile
> with those configs enabled.

I disagree about compile-time options.
It should be a run-time option of testpmd.

Please Remy (or others),
disable the metrics in the default configuration of testpmd,
before the 17.05 release.
You have few days, it is urgent.


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