From: "Van Haaren, Harry" <harry.van.haaren@intel.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
"Eads, Gage" <gage.eads@intel.com>
Subject: Re: [dpdk-dev] [PATCH v5 09/20] event/sw: add worker core functions
Date: Tue, 28 Mar 2017 16:17:56 +0000 [thread overview]
Message-ID: <E923DB57A917B54B9182A2E928D00FA612A20B21@IRSMSX102.ger.corp.intel.com> (raw)
In-Reply-To: <20170327135048.5a6lqcc6pioriy2t@localhost.localdomain>
> From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com]
> Sent: Monday, March 27, 2017 2:51 PM
> To: Van Haaren, Harry <harry.van.haaren@intel.com>
> Cc: dev@dpdk.org; Richardson, Bruce <bruce.richardson@intel.com>; Eads, Gage
> <gage.eads@intel.com>
> Subject: Re: [PATCH v5 09/20] event/sw: add worker core functions
>
> On Fri, Mar 24, 2017 at 04:53:04PM +0000, Harry van Haaren wrote:
> > From: Bruce Richardson <bruce.richardson@intel.com>
> >
> > add the event enqueue, dequeue and release functions to the eventdev.
> > These also include tracking of stats for observability in the load of
> > the scheduler.
> > Internally in the enqueue function, the various types of enqueue
> > operations, to forward an existing event, to send a new event, to
> > drop a previous event, are converted to a series of flags which will
> > be used by the scheduler code to perform the needed actions for that
> > event.
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> > Signed-off-by: Gage Eads <gage.eads@intel.com>
> > Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
> > ---
> > drivers/event/sw/Makefile | 1 +
> > drivers/event/sw/sw_evdev.c | 5 +
> > drivers/event/sw/sw_evdev.h | 32 +++++++
> > drivers/event/sw/sw_evdev_worker.c | 188 +++++++++++++++++++++++++++++++++++++
> > 4 files changed, 226 insertions(+)
> > create mode 100644 drivers/event/sw/sw_evdev_worker.c
> >
<snip>
> > @@ -550,6 +551,10 @@ sw_probe(const char *name, const char *params)
> > return -EFAULT;
> > }
> > dev->dev_ops = &evdev_sw_ops;
> > + dev->enqueue = sw_event_enqueue;
> > + dev->enqueue_burst = sw_event_enqueue_burst;
> > + dev->dequeue = sw_event_dequeue;
> > + dev->dequeue_burst = sw_event_dequeue_burst;
>
> Is all the code in the sw_probe() valid for multi process? If not, after
> function pointer assignment it can return[1] from sw_probe. Just like
> another PMD's, we will support configuration API and fastpath API in primary
> process and secondary process will be limited to fast path functions.
>
> [1]
> if (rte_eal_process_type() != RTE_PROC_PRIMARY)
> return 0;
Yes, will be fixed in v6.
> > sw = dev->data->dev_private;
> > sw->data = dev->data;
> > diff --git a/drivers/event/sw/sw_evdev.h b/drivers/event/sw/sw_evdev.h
> > index f5515e1..ab372fd 100644
> > --- a/drivers/event/sw/sw_evdev.h
> > +++ b/drivers/event/sw/sw_evdev.h
> > @@ -55,12 +55,36 @@
> > #define SCHED_DEQUEUE_BURST_SIZE 32
> >
> > +
> > +static inline void
> > +sw_event_release(struct sw_port *p, uint8_t index)
> > +{
> > + /*
> > + * Drops the next outstanding event in our history. Used on dequeue
> > + * to clear any history before dequeuing more events.
> > + */
> > + RTE_SET_USED(index);
> > +
> > + /* create drop message */
> > + struct rte_event ev = {
> > + .op = sw_qe_flag_map[RTE_EVENT_OP_RELEASE],
> > + };
> > +
> > + uint16_t free_count;
> > + qe_ring_enqueue_burst(p->rx_worker_ring, &ev, 1, &free_count);
> > +
> > + /* each release returns one credit */
> > + p->outstanding_releases--;
> > + p->inflight_credits++;
> > +}
> > +
> > +uint16_t
> > +sw_event_enqueue_burst(void *port, const struct rte_event ev[], uint16_t num)
> > +{
> > + int32_t i;
> > + uint8_t new_ops[PORT_ENQUEUE_MAX_BURST_SIZE];
> > + struct sw_port *p = port;
> > + struct sw_evdev *sw = (void *)p->sw;
> > + uint32_t sw_inflights = rte_atomic32_read(&sw->inflights);
> > +
> > + if (p->inflight_max < sw_inflights)
> > + return 0;
>
> likely and unlikely attributes are missing in fastpath functions.
> Worth to consider in using those in worker file.
Initial (obvious ones) done in v6. Perhaps a candidate for future patches after initial merge, as these are only performance improvements, not functional.
> > +uint16_t
> > +sw_event_dequeue_burst(void *port, struct rte_event *ev, uint16_t num,
> > + uint64_t wait)
> > +{
> > + RTE_SET_USED(wait);
> > + struct sw_port *p = (void *)port;
> > + struct sw_evdev *sw = (void *)p->sw;
> > + struct qe_ring *ring = p->cq_worker_ring;
> > + uint32_t credit_update_quanta = sw->credit_update_quanta;
> > +
> > + /* check that all previous dequeues have been released */
> > + if (!p->is_directed) {
> > + uint16_t out_rels = p->outstanding_releases;
> > + uint16_t i;
> > + for (i = 0; i < out_rels; i++)
> > + sw_event_release(p, i);
> > + }
> > +
> > + /* Intel modification: may not be in final API */
> > + if (ev == 0)
> > + return 0;
>
> May be we can remove this one in fastpath. Maybe under DEBUG in common code
> we can add this.
Done, removed in v6.
<snip to end>
next prev parent reply other threads:[~2017-03-28 16:18 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <489175012-101439-1-git-send-email-harry.van.haaren@intel.com>
2017-03-24 16:52 ` [dpdk-dev] [PATCH v5 00/20] next-eventdev: event/sw software eventdev Harry van Haaren
2017-03-24 16:52 ` [dpdk-dev] [PATCH v5 01/20] test/eventdev: pass timeout ticks unsupported Harry van Haaren
2017-03-25 5:38 ` Jerin Jacob
2017-03-24 16:52 ` [dpdk-dev] [PATCH v5 02/20] event/sw: add new software-only eventdev driver Harry van Haaren
2017-03-25 6:24 ` Jerin Jacob
2017-03-27 15:30 ` Van Haaren, Harry
2017-03-24 16:52 ` [dpdk-dev] [PATCH v5 03/20] event/sw: add device capabilities function Harry van Haaren
2017-03-25 10:50 ` Jerin Jacob
2017-03-24 16:52 ` [dpdk-dev] [PATCH v5 04/20] event/sw: add configure function Harry van Haaren
2017-03-25 13:17 ` Jerin Jacob
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 05/20] event/sw: add fns to return default port/queue config Harry van Haaren
2017-03-25 13:21 ` Jerin Jacob
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 06/20] event/sw: add support for event queues Harry van Haaren
2017-03-27 7:45 ` Jerin Jacob
2017-03-27 8:47 ` Bruce Richardson
2017-03-27 15:17 ` Van Haaren, Harry
2017-03-28 10:43 ` Jerin Jacob
2017-03-28 12:42 ` Van Haaren, Harry
2017-03-28 17:36 ` Jerin Jacob
2017-03-29 8:28 ` Van Haaren, Harry
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 07/20] event/sw: add support for event ports Harry van Haaren
2017-03-27 8:55 ` Jerin Jacob
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 08/20] event/sw: add support for linking queues to ports Harry van Haaren
2017-03-27 11:20 ` Jerin Jacob
2017-03-29 10:58 ` Van Haaren, Harry
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 09/20] event/sw: add worker core functions Harry van Haaren
2017-03-27 13:50 ` Jerin Jacob
2017-03-28 16:17 ` Van Haaren, Harry [this message]
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 10/20] event/sw: add scheduling logic Harry van Haaren
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 11/20] event/sw: add start stop and close functions Harry van Haaren
2017-03-27 16:02 ` Jerin Jacob
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 12/20] event/sw: add dump function for easier debugging Harry van Haaren
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 13/20] event/sw: add xstats support Harry van Haaren
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 14/20] test/eventdev: add SW test infrastructure Harry van Haaren
2017-03-28 15:20 ` Burakov, Anatoly
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 15/20] test/eventdev: add basic SW tests Harry van Haaren
2017-03-28 15:21 ` Burakov, Anatoly
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 16/20] test/eventdev: add SW tests for load balancing Harry van Haaren
2017-03-28 15:21 ` Burakov, Anatoly
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 17/20] test/eventdev: add SW xstats tests Harry van Haaren
2017-03-28 15:22 ` Burakov, Anatoly
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 18/20] test/eventdev: add SW deadlock tests Harry van Haaren
2017-03-28 15:22 ` Burakov, Anatoly
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 19/20] doc: add event device and software eventdev Harry van Haaren
2017-03-29 13:47 ` Jerin Jacob
2017-03-24 16:53 ` [dpdk-dev] [PATCH v5 20/20] maintainers: add eventdev section and claim SW PMD Harry van Haaren
2017-03-29 13:05 ` Jerin Jacob
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 00/21] next-eventdev: event/sw software eventdev Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 01/21] eventdev: improve API docs for start function Harry van Haaren
2017-03-30 10:56 ` Burakov, Anatoly
2017-03-30 17:11 ` Jerin Jacob
2017-03-30 17:24 ` Van Haaren, Harry
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 02/21] test/eventdev: pass timeout ticks unsupported Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 03/21] event/sw: add new software-only eventdev driver Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 04/21] event/sw: add device capabilities function Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 05/21] event/sw: add configure function Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 06/21] event/sw: add fns to return default port/queue config Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 07/21] event/sw: add support for event queues Harry van Haaren
2017-03-30 18:06 ` Jerin Jacob
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 08/21] event/sw: add support for event ports Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 09/21] event/sw: add support for linking queues to ports Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 10/21] event/sw: add worker core functions Harry van Haaren
2017-03-30 18:07 ` Jerin Jacob
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 11/21] event/sw: add scheduling logic Harry van Haaren
2017-03-30 10:07 ` Hunt, David
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 12/21] event/sw: add start stop and close functions Harry van Haaren
2017-03-30 8:24 ` Jerin Jacob
2017-03-30 8:49 ` Van Haaren, Harry
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 13/21] event/sw: add dump function for easier debugging Harry van Haaren
2017-03-30 10:32 ` Hunt, David
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 14/21] event/sw: add xstats support Harry van Haaren
2017-03-30 11:12 ` Hunt, David
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 15/21] test/eventdev: add SW test infrastructure Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 16/21] test/eventdev: add basic SW tests Harry van Haaren
2017-03-29 23:25 ` [dpdk-dev] [PATCH v6 17/21] test/eventdev: add SW tests for load balancing Harry van Haaren
2017-03-29 23:26 ` [dpdk-dev] [PATCH v6 18/21] test/eventdev: add SW xstats tests Harry van Haaren
2017-03-29 23:26 ` [dpdk-dev] [PATCH v6 19/21] test/eventdev: add SW deadlock tests Harry van Haaren
2017-03-29 23:26 ` [dpdk-dev] [PATCH v6 20/21] doc: add event device and software eventdev Harry van Haaren
2017-03-30 8:27 ` Burakov, Anatoly
2017-03-29 23:26 ` [dpdk-dev] [PATCH v6 21/21] maintainers: add eventdev section and claim SW PMD Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 00/22] next-eventdev: event/sw software eventdev Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 01/22] eventdev: improve API docs for start function Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 02/22] test/eventdev: pass timeout ticks unsupported Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 03/22] event/sw: add new software-only eventdev driver Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 04/22] event/sw: add device capabilities function Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 05/22] event/sw: add configure function Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 06/22] event/sw: add fns to return default port/queue config Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 07/22] event/sw: add support for event queues Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 08/22] event/sw: add support for event ports Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 09/22] event/sw: add support for linking queues to ports Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 10/22] event/sw: add worker core functions Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 11/22] event/sw: add scheduling logic Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 12/22] event/sw: add start stop and close functions Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 13/22] event/sw: add dump function for easier debugging Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 14/22] event/sw: add xstats support Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 15/22] test/eventdev: add SW test infrastructure Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 16/22] test/eventdev: add basic SW tests Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 17/22] test/eventdev: add SW tests for load balancing Harry van Haaren
2017-04-02 14:56 ` Jerin Jacob
2017-04-03 9:08 ` Van Haaren, Harry
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 18/22] test/eventdev: add SW xstats tests Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 19/22] test/eventdev: add SW deadlock tests Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 20/22] doc: add event device and software eventdev Harry van Haaren
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 21/22] doc: add SW eventdev PMD to 17.05 release notes Harry van Haaren
2017-03-31 12:23 ` Hunt, David
2017-03-31 14:45 ` Jerin Jacob
2017-03-30 19:30 ` [dpdk-dev] [PATCH v7 22/22] maintainers: add eventdev section and claim SW PMD Harry van Haaren
2017-03-31 13:56 ` Jerin Jacob
2017-04-01 11:38 ` [dpdk-dev] [PATCH v7 00/22] next-eventdev: event/sw software eventdev Jerin Jacob
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