diff options
author | Eliezer Tamir <eliezer.tamir@linux.intel.com> | 2013-06-10 11:40:31 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2013-06-10 21:22:36 -0700 |
commit | 7e15b90ff9b796d14aa0d1aabc0dbb54632c673c (patch) | |
tree | a33921153ae0d65ef19c1c896cfe67dbf4ae236a /drivers/net/ethernet/intel | |
parent | 5a85e737f30ce7b939a34d93cca816400342208c (diff) | |
download | op-kernel-dev-7e15b90ff9b796d14aa0d1aabc0dbb54632c673c.zip op-kernel-dev-7e15b90ff9b796d14aa0d1aabc0dbb54632c673c.tar.gz |
ixgbe: add extra stats for ndo_ll_poll
Add additional statistics to the ixgbe driver for ndo_ll_poll
Defined under LL_EXTENDED_STATS
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 40 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 |
3 files changed, 60 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index e9d9862..fb098b4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -54,6 +54,9 @@ #include <net/ll_poll.h> +#ifdef CONFIG_NET_LL_RX_POLL +#define LL_EXTENDED_STATS +#endif /* common prefix used by pr_<> macros */ #undef pr_fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -184,6 +187,11 @@ struct ixgbe_rx_buffer { struct ixgbe_queue_stats { u64 packets; u64 bytes; +#ifdef LL_EXTENDED_STATS + u64 yields; + u64 misses; + u64 cleaned; +#endif /* LL_EXTENDED_STATS */ }; struct ixgbe_tx_queue_stats { @@ -391,6 +399,9 @@ static inline bool ixgbe_qv_lock_napi(struct ixgbe_q_vector *q_vector) WARN_ON(q_vector->state & IXGBE_QV_STATE_NAPI); q_vector->state |= IXGBE_QV_STATE_NAPI_YIELD; rc = false; +#ifdef LL_EXTENDED_STATS + q_vector->tx.ring->stats.yields++; +#endif } else /* we don't care if someone yielded */ q_vector->state = IXGBE_QV_STATE_NAPI; @@ -421,6 +432,9 @@ static inline bool ixgbe_qv_lock_poll(struct ixgbe_q_vector *q_vector) if ((q_vector->state & IXGBE_QV_LOCKED)) { q_vector->state |= IXGBE_QV_STATE_POLL_YIELD; rc = false; +#ifdef LL_EXTENDED_STATS + q_vector->rx.ring->stats.yields++; +#endif } else /* preserve yield marks */ q_vector->state |= IXGBE_QV_STATE_POLL; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index d375472..24e2e7a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -1054,6 +1054,12 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, data[i] = 0; data[i+1] = 0; i += 2; +#ifdef LL_EXTENDED_STATS + data[i] = 0; + data[i+1] = 0; + data[i+2] = 0; + i += 3; +#endif continue; } @@ -1063,6 +1069,12 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, data[i+1] = ring->stats.bytes; } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); i += 2; +#ifdef LL_EXTENDED_STATS + data[i] = ring->stats.yields; + data[i+1] = ring->stats.misses; + data[i+2] = ring->stats.cleaned; + i += 3; +#endif } for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) { ring = adapter->rx_ring[j]; @@ -1070,6 +1082,12 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, data[i] = 0; data[i+1] = 0; i += 2; +#ifdef LL_EXTENDED_STATS + data[i] = 0; + data[i+1] = 0; + data[i+2] = 0; + i += 3; +#endif continue; } @@ -1079,6 +1097,12 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, data[i+1] = ring->stats.bytes; } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); i += 2; +#ifdef LL_EXTENDED_STATS + data[i] = ring->stats.yields; + data[i+1] = ring->stats.misses; + data[i+2] = ring->stats.cleaned; + i += 3; +#endif } for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) { @@ -1115,12 +1139,28 @@ static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, p += ETH_GSTRING_LEN; sprintf(p, "tx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; +#ifdef LL_EXTENDED_STATS + sprintf(p, "tx_q_%u_napi_yield", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_q_%u_misses", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_q_%u_cleaned", i); + p += ETH_GSTRING_LEN; +#endif /* LL_EXTENDED_STATS */ } for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) { sprintf(p, "rx_queue_%u_packets", i); p += ETH_GSTRING_LEN; sprintf(p, "rx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; +#ifdef LL_EXTENDED_STATS + sprintf(p, "rx_q_%u_ll_poll_yield", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_q_%u_misses", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_q_%u_cleaned", i); + p += ETH_GSTRING_LEN; +#endif /* LL_EXTENDED_STATS */ } for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { sprintf(p, "tx_pb_%u_pxon", i); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 9a7dc40..047ebaa 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2016,6 +2016,12 @@ static int ixgbe_low_latency_recv(struct napi_struct *napi) ixgbe_for_each_ring(ring, q_vector->rx) { found = ixgbe_clean_rx_irq(q_vector, ring, 4); +#ifdef LL_EXTENDED_STATS + if (found) + ring->stats.cleaned += found; + else + ring->stats.misses++; +#endif if (found) break; } |