[dpdk-dev] [PATCH 4/4] vdpa/mlx5: set default event mode to polling
Xueming Li
xuemingl at nvidia.com
Thu Dec 3 00:36:43 CET 2020
For better performance and latency, this patch sets default event
handling mode to polling mode which uses dedicate thread per device to
poll and process event.
Signed-off-by: Xueming Li <xuemingl at nvidia.com>
Acked-by: Matan Azrad <matan at nvidia.com>
---
doc/guides/vdpadevs/mlx5.rst | 2 +-
drivers/vdpa/mlx5/mlx5_vdpa.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/doc/guides/vdpadevs/mlx5.rst b/doc/guides/vdpadevs/mlx5.rst
index 20254257c9..730e171ba3 100644
--- a/doc/guides/vdpadevs/mlx5.rst
+++ b/doc/guides/vdpadevs/mlx5.rst
@@ -116,7 +116,7 @@ Driver options
- 2, Completion queue scheduling will be managed by interrupts. Each CQ burst
arms the CQ in order to get an interrupt event in the next traffic burst.
- - Default mode is 0.
+ - Default mode is 1.
- ``event_us`` parameter [int]
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa.c b/drivers/vdpa/mlx5/mlx5_vdpa.c
index 1f92c529c9..5d954d48ce 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa.c
+++ b/drivers/vdpa/mlx5/mlx5_vdpa.c
@@ -647,7 +647,7 @@ mlx5_vdpa_config_get(struct rte_devargs *devargs, struct mlx5_vdpa_priv *priv)
{
struct rte_kvargs *kvlist;
- priv->event_mode = MLX5_VDPA_EVENT_MODE_DYNAMIC_TIMER;
+ priv->event_mode = MLX5_VDPA_EVENT_MODE_FIXED_TIMER;
priv->event_us = 0;
priv->event_core = -1;
priv->no_traffic_time_s = MLX5_VDPA_DEFAULT_NO_TRAFFIC_TIME_S;
--
2.25.1
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