From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: jerin.jacob@caviumnetworks.com,
santosh.shukla@caviumnetworks.com, erik.g.carrillo@intel.com
Cc: dev@dpdk.org, Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Subject: [dpdk-dev] [PATCH v4 07/11] event/octeontx: add single producer timer arm variant
Date: Tue, 10 Apr 2018 02:30:31 +0530 [thread overview]
Message-ID: <20180409210035.23278-8-pbhagavatula@caviumnetworks.com> (raw)
In-Reply-To: <20180409210035.23278-1-pbhagavatula@caviumnetworks.com>
When application creates the timer adapter by passing
`RTE_EVENT_TIMER_ADAPTER_F_SP_PUT` flag, we can optimize the arm sequence
by removing the locking overhead.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
drivers/event/octeontx/timvf_evdev.c | 19 ++++++++---
drivers/event/octeontx/timvf_evdev.h | 5 +++
drivers/event/octeontx/timvf_worker.c | 37 +++++++++++++++++++++
drivers/event/octeontx/timvf_worker.h | 47 +++++++++++++++++++++++++++
4 files changed, 103 insertions(+), 5 deletions(-)
diff --git a/drivers/event/octeontx/timvf_evdev.c b/drivers/event/octeontx/timvf_evdev.c
index 5ffb460a8..3b698b7c8 100644
--- a/drivers/event/octeontx/timvf_evdev.c
+++ b/drivers/event/octeontx/timvf_evdev.c
@@ -180,6 +180,7 @@ timvf_ring_create(struct rte_event_timer_adapter *adptr)
struct timvf_ring *timr;
struct timvf_info tinfo;
const char *mempool_ops;
+ unsigned int mp_flags = 0;
if (timvf_info(&tinfo) < 0)
return -ENODEV;
@@ -213,6 +214,11 @@ timvf_ring_create(struct rte_event_timer_adapter *adptr)
timr->nb_chunks = nb_timers / nb_chunk_slots;
+ if (rcfg->flags & RTE_EVENT_TIMER_ADAPTER_F_SP_PUT) {
+ mp_flags = MEMPOOL_F_SP_PUT | MEMPOOL_F_SC_GET;
+ timvf_log_info("Using single producer mode");
+ }
+
timr->bkt = rte_zmalloc("octeontx_timvf_bucket",
(timr->nb_bkts) * sizeof(struct tim_mem_bucket),
0);
@@ -222,7 +228,7 @@ timvf_ring_create(struct rte_event_timer_adapter *adptr)
snprintf(pool_name, 30, "timvf_chunk_pool%d", timr->tim_ring_id);
timr->chunk_pool = (void *)rte_mempool_create_empty(pool_name,
timr->nb_chunks, TIM_CHUNK_SIZE, 0, 0, rte_socket_id(),
- 0);
+ mp_flags);
if (!timr->chunk_pool) {
rte_free(timr->bkt);
@@ -306,17 +312,20 @@ timvf_timer_adapter_caps_get(const struct rte_eventdev *dev, uint64_t flags,
uint8_t enable_stats)
{
RTE_SET_USED(dev);
- RTE_SET_USED(flags);
if (enable_stats) {
timvf_ops.stats_get = timvf_stats_get;
timvf_ops.stats_reset = timvf_stats_reset;
}
- if (enable_stats)
- timvf_ops.arm_burst = timvf_timer_arm_burst_mp_stats;
+ if (flags & RTE_EVENT_TIMER_ADAPTER_F_SP_PUT)
+ timvf_ops.arm_burst = enable_stats ?
+ timvf_timer_arm_burst_sp_stats :
+ timvf_timer_arm_burst_sp;
else
- timvf_ops.arm_burst = timvf_timer_arm_burst_mp;
+ timvf_ops.arm_burst = enable_stats ?
+ timvf_timer_arm_burst_mp_stats :
+ timvf_timer_arm_burst_mp;
timvf_ops.cancel_burst = timvf_timer_cancel_burst;
*caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT;
diff --git a/drivers/event/octeontx/timvf_evdev.h b/drivers/event/octeontx/timvf_evdev.h
index cae949c73..01ffac09a 100644
--- a/drivers/event/octeontx/timvf_evdev.h
+++ b/drivers/event/octeontx/timvf_evdev.h
@@ -197,6 +197,11 @@ int timvf_timer_adapter_caps_get(const struct rte_eventdev *dev, uint64_t flags,
uint8_t enable_stats);
uint16_t timvf_timer_cancel_burst(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_sp(const struct rte_event_timer_adapter *adptr,
+ struct rte_event_timer **tim, const uint16_t nb_timers);
+uint16_t timvf_timer_arm_burst_sp_stats(
+ const struct rte_event_timer_adapter *adptr,
+ struct rte_event_timer **tim, const uint16_t nb_timers);
uint16_t timvf_timer_arm_burst_mp(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers);
uint16_t timvf_timer_arm_burst_mp_stats(
diff --git a/drivers/event/octeontx/timvf_worker.c b/drivers/event/octeontx/timvf_worker.c
index 38b16d1ce..52b212c44 100644
--- a/drivers/event/octeontx/timvf_worker.c
+++ b/drivers/event/octeontx/timvf_worker.c
@@ -64,6 +64,43 @@ timvf_timer_cancel_burst(const struct rte_event_timer_adapter *adptr,
return index;
}
+uint16_t
+timvf_timer_arm_burst_sp(const struct rte_event_timer_adapter *adptr,
+ struct rte_event_timer **tim, const uint16_t nb_timers)
+{
+ int ret;
+ uint16_t index;
+ struct tim_mem_entry entry;
+ struct timvf_ring *timr = adptr->data->adapter_priv;
+ for (index = 0; index < nb_timers; index++) {
+ if (timvf_timer_reg_checks(timr, tim[index]))
+ break;
+
+ timvf_format_event(tim[index], &entry);
+ ret = timvf_add_entry_sp(timr, tim[index]->timeout_ticks,
+ tim[index], &entry);
+ if (unlikely(ret)) {
+ rte_errno = -ret;
+ break;
+ }
+ }
+
+ return index;
+}
+
+uint16_t
+timvf_timer_arm_burst_sp_stats(const struct rte_event_timer_adapter *adptr,
+ struct rte_event_timer **tim, const uint16_t nb_timers)
+{
+ uint16_t ret;
+ struct timvf_ring *timr = adptr->data->adapter_priv;
+
+ ret = timvf_timer_arm_burst_sp(adptr, tim, nb_timers);
+ timr->tim_arm_cnt += ret;
+
+ return ret;
+}
+
uint16_t
timvf_timer_arm_burst_mp(const struct rte_event_timer_adapter *adptr,
struct rte_event_timer **tim, const uint16_t nb_timers)
diff --git a/drivers/event/octeontx/timvf_worker.h b/drivers/event/octeontx/timvf_worker.h
index c20d4d0cd..c3a669de9 100644
--- a/drivers/event/octeontx/timvf_worker.h
+++ b/drivers/event/octeontx/timvf_worker.h
@@ -224,6 +224,53 @@ timvf_get_target_bucket(struct timvf_ring * const timr, const uint32_t rel_bkt)
return &timr->bkt[tbkt_id];
}
+/* Single producer functions. */
+static inline int
+timvf_add_entry_sp(struct timvf_ring * const timr, const uint32_t rel_bkt,
+ struct rte_event_timer * const tim,
+ const struct tim_mem_entry * const pent)
+{
+ int16_t rem;
+ uint64_t lock_sema;
+ struct tim_mem_bucket *bkt;
+ struct tim_mem_entry *chunk;
+
+
+ bkt = timvf_get_target_bucket(timr, rel_bkt);
+__retry:
+ /*Get Bucket sema*/
+ lock_sema = timr_bkt_fetch_sema(bkt);
+ /* Bucket related checks. */
+ if (unlikely(timr_bkt_get_hbt(lock_sema)))
+ goto __retry;
+
+ /* Insert the work. */
+ rem = timr_bkt_fetch_rem(lock_sema);
+
+ if (!rem) {
+ chunk = timr->refill_chunk(bkt, timr);
+ if (unlikely(chunk == NULL)) {
+ timr_bkt_set_rem(bkt, 0);
+ tim->impl_opaque[0] = tim->impl_opaque[1] = 0;
+ tim->state = RTE_EVENT_TIMER_ERROR;
+ return -ENOMEM;
+ }
+ bkt->current_chunk = (uintptr_t) chunk;
+ timr_bkt_set_rem(bkt, nb_chunk_slots - 1);
+ } else {
+ chunk = (struct tim_mem_entry *)(uintptr_t)bkt->current_chunk;
+ chunk += nb_chunk_slots - rem;
+ }
+ /* Copy work entry. */
+ *chunk = *pent;
+ timr_bkt_inc_nent(bkt);
+
+ tim->impl_opaque[0] = (uintptr_t)chunk;
+ tim->impl_opaque[1] = (uintptr_t)bkt;
+ tim->state = RTE_EVENT_TIMER_ARMED;
+ return 0;
+}
+
/* Multi producer functions. */
static inline int
timvf_add_entry_mp(struct timvf_ring * const timr, const uint32_t rel_bkt,
--
2.17.0
next prev parent reply other threads:[~2018-04-09 21:01 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 21:36 [dpdk-dev] [PATCH 0/9] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 01/10] eal: add API to align variable to previous power of 2 Pavan Nikhilesh
2018-02-17 4:49 ` Jerin Jacob
2018-02-16 21:36 ` [dpdk-dev] [PATCH 02/10] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-02-17 4:54 ` Jerin Jacob
2018-02-19 9:19 ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 03/10] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 04/10] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 05/10] event/octeontx: add support for arm and cancel Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 06/10] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-07 19:41 ` Carrillo, Erik G
2018-02-16 21:36 ` [dpdk-dev] [PATCH 07/10] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-02-17 5:06 ` Jerin Jacob
2018-02-19 9:34 ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 08/10] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-02-18 11:42 ` santosh
2018-02-19 9:15 ` Pavan Nikhilesh
2018-02-23 20:17 ` Carrillo, Erik G
2018-02-26 19:25 ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 09/10] event/octeontx: add timer adapter SW traversal routine Pavan Nikhilesh
2018-02-17 5:01 ` Jerin Jacob
2018-02-16 21:37 ` [dpdk-dev] [PATCH 10/10] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-02-17 5:03 ` Jerin Jacob
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 00/11] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 01/11] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 02/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 05/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 06/11] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 07/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 08/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 09/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 10/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 11/11] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 01/12] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-04-08 2:19 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 02/12] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-08 3:23 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 03/12] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-08 7:39 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 04/12] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-08 7:47 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 05/12] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-04 1:59 ` Carrillo, Erik G
2018-04-08 7:52 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 06/12] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-08 7:59 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 07/12] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 08/12] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-04 2:15 ` Carrillo, Erik G
2018-04-08 8:06 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 09/12] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-08 8:09 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 10/12] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 11/12] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-04 2:19 ` Carrillo, Erik G
2018-04-08 8:13 ` Jerin Jacob
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 12/12] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-08 8:15 ` Jerin Jacob
2018-04-08 2:55 ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Jerin Jacob
2018-04-08 8:58 ` Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 00/11] " Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 01/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 02/11] event/octeontx: add support to probe timvf PCIe devices Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 05/11] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 06/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-09 21:00 ` Pavan Nikhilesh [this message]
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 08/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 09/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 10/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 11/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-12 12:30 ` [dpdk-dev] [PATCH v4 00/11] event/octeontx: add event timer adapter driver Jerin Jacob
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