diff options
author | Joe Damato <jdamato@fastly.com> | 2021-12-17 22:35:17 +0300 |
---|---|---|
committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-02-08 19:21:52 +0300 |
commit | 453f8305483851c20a41b66719d5acdc945541ca (patch) | |
tree | 4dbd2a692353c56cfa812bab0b22a05ad565bb6f | |
parent | b3936d27673c7cf071b458074acb803e910d5502 (diff) | |
download | linux-453f8305483851c20a41b66719d5acdc945541ca.tar.xz |
i40e: Add a stat tracking new RX page allocations
Add a counter for new page allocations in the i40e RX path. This stat is
accessible with ethtool.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 5 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.h | 1 |
5 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index ee8516543ea6..ea8021d9739c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -855,6 +855,7 @@ struct i40e_vsi { u64 rx_buf_failed; u64 rx_page_failed; u64 rx_page_reuse; + u64 rx_page_alloc; /* These are containers of ring pointers, allocated at run-time */ struct i40e_ring **rx_rings; diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 9317b2d31c9e..17a16b4e4405 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -296,6 +296,7 @@ static const struct i40e_stats i40e_gstrings_misc_stats[] = { I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed), I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), I40E_VSI_STAT("rx_cache_reuse", rx_page_reuse), + I40E_VSI_STAT("rx_cache_alloc", rx_page_alloc), }; /* These PF_STATs might look like duplicates of some NETDEV_STATs, diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index c22e7b1a960b..9d62f5875c30 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -773,8 +773,8 @@ void i40e_update_veb_stats(struct i40e_veb *veb) **/ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) { + u64 rx_page, rx_buf, rx_reuse, rx_alloc; struct i40e_pf *pf = vsi->back; - u64 rx_page, rx_buf, rx_reuse; struct rtnl_link_stats64 *ons; struct rtnl_link_stats64 *ns; /* netdev stats */ struct i40e_eth_stats *oes; @@ -807,6 +807,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) rx_page = 0; rx_buf = 0; rx_reuse = 0; + rx_alloc = 0; rcu_read_lock(); for (q = 0; q < vsi->num_queue_pairs; q++) { /* locate Tx ring */ @@ -841,6 +842,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) rx_buf += p->rx_stats.alloc_buff_failed; rx_page += p->rx_stats.alloc_page_failed; rx_reuse += p->rx_stats.page_reuse_count; + rx_alloc += p->rx_stats.page_alloc_count; if (i40e_enabled_xdp_vsi(vsi)) { /* locate XDP ring */ @@ -869,6 +871,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) vsi->rx_page_failed = rx_page; vsi->rx_buf_failed = rx_buf; vsi->rx_page_reuse = rx_reuse; + vsi->rx_page_alloc = rx_alloc; ns->rx_packets = rx_p; ns->rx_bytes = rx_b; diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index da4929ece778..54fd497f6535 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1673,6 +1673,8 @@ static bool i40e_alloc_mapped_page(struct i40e_ring *rx_ring, return false; } + rx_ring->rx_stats.page_alloc_count++; + /* map page for use */ dma = dma_map_page_attrs(rx_ring->dev, page, 0, i40e_rx_pg_size(rx_ring), diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 88387a644cc3..13188dcf4e8e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -298,6 +298,7 @@ struct i40e_rx_queue_stats { u64 alloc_page_failed; u64 alloc_buff_failed; u64 page_reuse_count; + u64 page_alloc_count; }; enum i40e_ring_state_t { |