Re: [dpdk-dev] [PATCH v7 5/6] lib: added new library for latency stats

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

On Mon, Jan 16, 2017 at 04:19:32PM +0000, Remy Horton wrote:
> From: Reshma Pattan <reshma.pattan@intel.com>
> 
> 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.
> 
> Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
> Signed-off-by: Remy Horton <remy.horton@intel.com>
> ---
>  MAINTAINERS                                        |   4 +
>  config/common_base                                 |   5 +
>  doc/api/doxy-api-index.md                          |   1 +
>  doc/api/doxy-api.conf                              |   1 +
>  doc/guides/rel_notes/release_17_02.rst             |   5 +
>  lib/Makefile                                       |   1 +
>  lib/librte_latencystats/Makefile                   |  57 +++
>  lib/librte_latencystats/rte_latencystats.c         | 389 +++++++++++++++++++++
>  lib/librte_latencystats/rte_latencystats.h         | 146 ++++++++
>  .../rte_latencystats_version.map                   |  10 +
>  lib/librte_mbuf/rte_mbuf.h                         |   3 +

It is a value added feature for DPDK. But what is the plan for incorporating
the mbuf change? I have 8 month old mbuf change for ARM for natural
alignment. If we are accepting any mbuf change then we need to include
outstanding mbuf changes to avoid future ABI breakage.

http://dpdk.org/dev/patchwork/patch/12878/

Jerin