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Date: Sun, 18 Apr 2010 11:14:02 +0200
From: Paweł Staszewski <pstaszewski@...are.pl>
To: Linux Network Development list <netdev@...r.kernel.org>
Subject: ixgbe - problem with packet/bytes count on all queues
Hello
I want to ask is this a normal behavior of ixgb driver and 82598EB nic.
look for tx_queue_7 stats:
ethtool -S eth2
NIC statistics:
rx_packets: 35103252
tx_packets: 1770371731
rx_bytes: 3602052416
tx_bytes: 1369778276
rx_pkts_nic: 138121006018
tx_pkts_nic: 122033163226
rx_bytes_nic: 101484528847981
tx_bytes_nic: 92258799092069
lsc_int: 1
tx_busy: 0
non_eop_descs: 0
rx_errors: 0
tx_errors: 0
rx_dropped: 0
tx_dropped: 0
multicast: 490226
broadcast: 124104912
rx_no_buffer_count: 0
collisions: 0
rx_over_errors: 0
rx_crc_errors: 0
rx_frame_errors: 0
hw_rsc_aggregated: 0
hw_rsc_flushed: 0
fdir_match: 0
fdir_miss: 0
rx_fifo_errors: 0
rx_missed_errors: 0
tx_aborted_errors: 0
tx_carrier_errors: 0
tx_fifo_errors: 0
tx_heartbeat_errors: 0
tx_timeout_count: 0
tx_restart_queue: 111130
rx_long_length_errors: 38599
rx_short_length_errors: 0
tx_flow_control_xon: 0
rx_flow_control_xon: 0
tx_flow_control_xoff: 0
rx_flow_control_xoff: 0
rx_csum_offload_errors: 1554191
alloc_rx_page_failed: 0
alloc_rx_buff_failed: 0
rx_no_dma_resources: 0
tx_queue_0_packets: 108685351623
tx_queue_0_bytes: 79701402025544
tx_queue_1_packets: 3988024698
tx_queue_1_bytes: 3353530467775
tx_queue_2_packets: 1893305707
tx_queue_2_bytes: 1705357186034
tx_queue_3_packets: 1787852613
tx_queue_3_bytes: 1518632482370
tx_queue_4_packets: 1843108684
tx_queue_4_bytes: 1641474602504
tx_queue_5_packets: 1882637467
tx_queue_5_bytes: 1629905766993
tx_queue_6_packets: 1952759802
tx_queue_6_bytes: 1680666591771
tx_queue_7_packets: 0
tx_queue_7_bytes: 0
rx_queue_0_packets: 17361735592
rx_queue_0_bytes: 12585728518077
rx_queue_1_packets: 17194262916
rx_queue_1_bytes: 12518731583464
rx_queue_2_packets: 17342312348
rx_queue_2_bytes: 12734959063176
rx_queue_3_packets: 17367632051
rx_queue_3_bytes: 12656219984521
rx_queue_4_packets: 17150307164
rx_queue_4_bytes: 12408526754019
rx_queue_5_packets: 17206721842
rx_queue_5_bytes: 12470666039893
rx_queue_6_packets: 17202210572
rx_queue_6_bytes: 12431429298950
rx_queue_7_packets: 17295822822
rx_queue_7_bytes: 12573299488239
and here look at multiq queue number 8:
tc -s -d class show dev eth2
class multiq 1:1 parent 1:
Sent 6905560675905 bytes 510743840 pkt (dropped 0, overlimits 0
requeues 0)
backlog 0b 0p requeues 0
class multiq 1:2 parent 1:
Sent 280699743990 bytes 330210442 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:3 parent 1:
Sent 128528666971 bytes 142053106 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:4 parent 1:
Sent 123086710694 bytes 140454119 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:5 parent 1:
Sent 121027779083 bytes 146164066 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:6 parent 1:
Sent 116245520195 bytes 141597610 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:7 parent 1:
Sent 133310553887 bytes 151141714 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
class multiq 1:8 parent 1:
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
Is that normal that driver don't use queue number 8 ?
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