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app/eventdev: fix timeout accuracy

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Round timeout ticks when converting from nanoseconds, this prevents
loss of accuracy and deviation from requested timeout value.

Fixes: d008f20bce23 ("app/eventdev: add event timer adapter as a producer")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Reviewed-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>
This commit is contained in:
Pavan Nikhilesh 2021-02-25 17:31:43 +05:30 committed by Jerin Jacob
parent 052a5d3867
commit 626b12a8d3
1 changed files with 14 additions and 8 deletions
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22
app/test-eventdev/test_perf_common.c
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@ -2,6 +2,8 @@
* Copyright(c) 2017 Cavium, Inc
*/
#include <math.h>
#include "test_perf_common.h"
int
@ -95,11 +97,13 @@ perf_event_timer_producer(void *arg)
uint64_t timeout_ticks = opt->expiry_nsec / opt->timer_tick_nsec;
memset(&tim, 0, sizeof(struct rte_event_timer));
timeout_ticks = opt->optm_timer_tick_nsec ?
(timeout_ticks * opt->timer_tick_nsec)
/ opt->optm_timer_tick_nsec : timeout_ticks;
timeout_ticks =
opt->optm_timer_tick_nsec
? ceil((double)(timeout_ticks * opt->timer_tick_nsec) /
opt->optm_timer_tick_nsec)
: timeout_ticks;
timeout_ticks += timeout_ticks ? 0 : 1;
tim.ev.event_type = RTE_EVENT_TYPE_TIMER;
tim.ev.event_type = RTE_EVENT_TYPE_TIMER;
tim.ev.op = RTE_EVENT_OP_NEW;
tim.ev.sched_type = t->opt->sched_type_list[0];
tim.ev.queue_id = p->queue_id;
@ -159,11 +163,13 @@ perf_event_timer_producer_burst(void *arg)
uint64_t timeout_ticks = opt->expiry_nsec / opt->timer_tick_nsec;
memset(&tim, 0, sizeof(struct rte_event_timer));
timeout_ticks = opt->optm_timer_tick_nsec ?
(timeout_ticks * opt->timer_tick_nsec)
/ opt->optm_timer_tick_nsec : timeout_ticks;
timeout_ticks =
opt->optm_timer_tick_nsec
? ceil((double)(timeout_ticks * opt->timer_tick_nsec) /
opt->optm_timer_tick_nsec)
: timeout_ticks;
timeout_ticks += timeout_ticks ? 0 : 1;
tim.ev.event_type = RTE_EVENT_TYPE_TIMER;
tim.ev.event_type = RTE_EVENT_TYPE_TIMER;
tim.ev.op = RTE_EVENT_OP_NEW;
tim.ev.sched_type = t->opt->sched_type_list[0];
tim.ev.queue_id = p->queue_id;