[dpdk-dev] [PATCH v6 4/4] latencystats: added new library for latency stats
thomas.monjalon at 6wind.com
Fri Jan 13 10:53:38 CET 2017
2017-01-13 09:45, Mcnamara, John:
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Thomas Monjalon
> > 2017-01-12 00:03, Remy Horton:
> > > Add a library designed to calculate latency statistics and report them
> > > to the application when queried. The library measures minimum, average
> > > and maximum latencies, and jitter in nano seconds. The current
> > > implementation supports global latency stats, i.e. per application
> > stats.
> > Is it specific to ethdev ports?
> > > Added new field to mbuf struct to mark the packet arrival time on Rx.
> > There was another patch adding a timestamp in mbuf:
> > http://dpdk.org/ml/archives/dev/2016-October/048809.html
> Hi Thomas,
> Is that an issue? The other patch adds the same field for more or less the same purpose.
> If the other patch goes in we can rework this patch or if this patch goes in the
> other one won't be required.
The only issue is that it is not yet accepted or merged.
I think Olivier was considering it in a more global mbuf rework.
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