Arm a bucket early to account for software delays in timer arm routine.
Signed-off-by: Shijith Thotton <[email protected]>
---
drivers/event/cnxk/cnxk_tim_worker.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/event/cnxk/cnxk_tim_worker.h
b/drivers/event/cnxk/cnxk_tim_worker.h
index eda84c6f31..16909ef06d 100644
--- a/drivers/event/cnxk/cnxk_tim_worker.h
+++ b/drivers/event/cnxk/cnxk_tim_worker.h
@@ -133,11 +133,13 @@ cnxk_tim_get_target_bucket(struct cnxk_tim_ring *const
tim_ring,
{
const uint64_t bkt_cyc =
tim_ring->tick_fn(tim_ring->tbase) - tim_ring->ring_start_cyc;
- uint64_t bucket =
- rte_reciprocal_divide_u64(bkt_cyc, &tim_ring->fast_div) +
- rel_bkt;
+ uint64_t bucket = rte_reciprocal_divide_u64(bkt_cyc,
&tim_ring->fast_div);
uint64_t mirr_bucket = 0;
+ if ((bkt_cyc - bucket * tim_ring->tck_int) < tim_ring->tck_int / 2)
+ bucket--;
+
+ bucket += rel_bkt;
bucket = cnxk_tim_bkt_fast_mod(bucket, tim_ring->nb_bkts,
tim_ring->fast_bkt);
mirr_bucket =
--
2.25.1