the ifname[] field takes so much space, that it seperate some frequently
used fields into different caches, say, features and broadcast_rarp.
This patch move all those fields that will be accessed frequently in Rx/Tx
together (before the ifname[] field) to let them share one cache line.
Signed-off-by: Yuanhan Liu
---
lib/librte_vhost/vhost-net.h | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/librte_vhost/vhost-net.h b/lib/librte_vhost/vhost-net.h
index 9dec83c..3b0ffe7 100644
--- a/lib/librte_vhost/vhost-net.h
+++ b/lib/librte_vhost/vhost-net.h
@@ -123,16 +123,16 @@ struct virtio_net {
int vid;
uint32_tflags;
uint16_tvhost_hlen;
+ /* to tell if we need broadcast rarp packet */
+ rte_atomic16_t broadcast_rarp;
+ uint32_tvirt_qp_nb;
+ struct vhost_virtqueue *virtqueue[VHOST_MAX_QUEUE_PAIRS * 2];
#define IF_NAME_SZ (PATH_MAX > IFNAMSIZ ? PATH_MAX : IFNAMSIZ)
charifname[IF_NAME_SZ];
- uint32_tvirt_qp_nb;
uint64_tlog_size;
uint64_tlog_base;
struct ether_addr mac;
- /* to tell if we need broadcast rarp packet */
- rte_atomic16_t broadcast_rarp;
- struct vhost_virtqueue *virtqueue[VHOST_MAX_QUEUE_PAIRS * 2];
} __rte_cache_aligned;
/**
--
1.9.0
