Commit f65a59ff authored by Tariq Toukan's avatar Tariq Toukan Committed by Saeed Mahameed

net/mlx5e: TX, Separate cachelines of xmit and completion stats

Avoid false sharing of cachelines by separating the cachelines of
TX stats that are dertied in xmit flow and in completion flow.
Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 5ffd8194
......@@ -64,11 +64,11 @@ static const struct counter_desc sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_partial) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_csum_partial_inner) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_stopped) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_wake) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_dropped) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_xmit_more) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_cqe_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_recover) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_queue_wake) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_cqe_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_wqe_err) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_mpwqe_filler) },
{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_buff_alloc_err) },
......@@ -1137,11 +1137,11 @@ static const struct counter_desc sq_stats_desc[] = {
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, nop) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, csum_none) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, stopped) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, wake) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, dropped) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, xmit_more) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, cqe_err) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, recover) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, wake) },
{ MLX5E_DECLARE_TX_STAT(struct mlx5e_sq_stats, cqe_err) },
};
static const struct counter_desc ch_stats_desc[] = {
......
......@@ -75,11 +75,11 @@ struct mlx5e_sw_stats {
u64 tx_csum_partial;
u64 tx_csum_partial_inner;
u64 tx_queue_stopped;
u64 tx_queue_wake;
u64 tx_queue_dropped;
u64 tx_xmit_more;
u64 tx_cqe_err;
u64 tx_recover;
u64 tx_queue_wake;
u64 tx_cqe_err;
u64 rx_wqe_err;
u64 rx_mpwqe_filler;
u64 rx_buff_alloc_err;
......@@ -203,10 +203,11 @@ struct mlx5e_sq_stats {
/* less likely accessed in data path */
u64 csum_none;
u64 stopped;
u64 wake;
u64 dropped;
u64 cqe_err;
u64 recover;
/* dirtied @completion */
u64 wake ____cacheline_aligned_in_smp;
u64 cqe_err;
};
struct mlx5e_ch_stats {
......
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