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Message-ID: <alpine.WNT.2.00.1005111058150.7656@jbrandeb-desk1.amr.corp.intel.com> Date: Tue, 11 May 2010 11:00:07 -0700 (Pacific Daylight Time) From: "Brandeburg, Jesse" <jesse.brandeburg@...el.com> To: Paweł Staszewski <pstaszewski@...are.pl> cc: Linux Network Development list <netdev@...r.kernel.org>, e1000-devel@...ts.sourceforge.net Subject: Re: ixgbe - problem with packet/bytes count on all queues On Sun, 18 Apr 2010, Paweł Staszewski wrote: > Hello > > I want to ask is this a normal behavior of ixgb driver and 82598EB nic. > look for tx_queue_7 stats: Hi, sorry no-one replied. > 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 ? This seems extremely unusual, can you tell us what kernel version you're using and what kind of test you're running? it almost seems that there is an off by one somewhere, what kind of traffic is being transmitted? Jesse -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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