[dpdk-dev] [PATCH v7 5/6] lib: added new library for latency stats
Jerin Jacob
jerin.jacob at caviumnetworks.com
Tue Jan 17 05:29:35 CET 2017
On Mon, Jan 16, 2017 at 04:19:32PM +0000, Remy Horton wrote:
> From: Reshma Pattan <reshma.pattan at 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 at intel.com>
> Signed-off-by: Remy Horton <remy.horton at 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
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