[dpdk-dev] [EXT] [PATCH v4 0/1] New software event timer adapter

Carrillo, Erik G erik.g.carrillo at intel.com
Tue Dec 18 21:14:40 CET 2018


> -----Original Message-----
> From: Jerin Jacob Kollanukkaran [mailto:jerinj at marvell.com]
> Sent: Tuesday, December 18, 2018 2:12 PM
> To: Jerin Jacob Kollanukkaran <jerinj at marvell.com>; Carrillo, Erik G
> <erik.g.carrillo at intel.com>
> Cc: rsanford at akamai.com; mattias.ronnblom at ericsson.com;
> pbhagavatula at caviumnetworks.com; dev at dpdk.org
> Subject: Re: [EXT] [PATCH v4 0/1] New software event timer adapter
> 
> On Fri, 2018-12-14 at 17:15 -0600, Erik Gabriel Carrillo wrote:
> > This patch introduces a new version of the event timer adapter
> > software PMD [1]. In the original design, timer event producer lcores
> > in the primary and secondary processes enqueued event timers into a
> > ring, and a service core in the primary process dequeued them and
> > processed them further.  To improve performance, this version does
> > away with the ring and lets lcores in both primary and secondary
> > processes insert timers directly into timer skiplist data structures;
> > the service core directly accesses the lists as well, when looking for
> > timers that have expired. (This behavior requires the patch to the
> > timer library that is referenced below.)
> >
> > Depends on: https://patches.dpdk.org/project/dpdk/list/?series=2767
> 
> Looks like this series not cleanly applying to master branch.
> 
> I will pull this change when depended patch pulled into master tree and
> there are not more review comments.
> 

Ok, thanks Jerin.

> 
> >
> > [1] https://doc.dpdk.org/guides/prog_guide/event_timer_adapter.html
> >
> > Changes in v4:
> >  - Addressed the following comments from Mattias Ronnblom:
> >    - remove unnecessary header include
> >    - add missing read barrier in timer cancel function
> >
> > Changes in v3:
> >  - Addressed comments from Mattias Ronnblom:
> >    - remove unnecessary header include
> >    - remove unnecessary cast in mempool_put() call
> >    - update alignment of elements of array to avoid false sharing
> > issue
> >
> > Changes in v2:
> >  - split this change out into its own patch series
> >
> > Erik Gabriel Carrillo (1):
> >   eventdev: add new software event timer adapter
> >
> >  lib/librte_eventdev/rte_event_timer_adapter.c | 689 +++++++++++-----
> > ----------
> >  1 file changed, 277 insertions(+), 412 deletions(-)
> >
> > --
> > 2.6.4
> >


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