Date: Thu, 2 Jun 2016 22:09:17 +0000 From: Sreekanth Rupavatharam <rupavath@juniper.net> To: Jack Vogel <jfvogel@gmail.com> Cc: hiren panchasara <hiren@strugglingcoder.info>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Possible transmit/stats problem in igb driver. Message-ID: <CE2E0B41-ED13-434F-99BB-C2FEE47EAE81@juniper.net> In-Reply-To: <CAFOYbc=s0L5SQS8-1ZC5TGxYkuQpPGhpWCAMkBojNwS=jqOSvg@mail.gmail.com> References: <D7944476-98AD-4548-99E3-6E88648E2B06@juniper.net> <20160602202015.GG8994@strugglingcoder.info> <9A903EE5-3F2C-46C0-B563-1150F81E3507@juniper.net> <CAFOYbc=s0L5SQS8-1ZC5TGxYkuQpPGhpWCAMkBojNwS=jqOSvg@mail.gmail.com>
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[-- Attachment #1 --] Don’t see any errors as such. Here’s the complete stats. Thanks, -Sreekanth From: Jack Vogel <jfvogel@gmail.com> Date: Thursday, June 2, 2016 at 2:40 PM To: Sreekanth Rupavatharam <rupavath@juniper.net> Cc: hiren panchasara <hiren@strugglingcoder.info>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Possible transmit/stats problem in igb driver. Hmmm, so I no longer have access to any of this, but I'm wondering if there is some other stat that might report errors or some sort that would match the missing/bad packets? Maybe they were considered runts or something and dropped. Good luck :) Jack On Thu, Jun 2, 2016 at 2:11 PM, Sreekanth Rupavatharam <rupavath@juniper.net<mailto:rupavath@juniper.net>> wrote: Inline >Apart from stats, do you see anything else going wrong? i.e. do you >actually see less packets (arp replies??) than expected? [SR] The packets are not going out on the wire. The tool doesn’t receive the packets. That’s how I started noticing the issue. >Taking your example, tx_packets is something we count in the drivers and >total_pkts_txd is calculated in the card and we just read it off of it >to report (E1000_TPT). [SR] Correct. My main question would be under what circumstance would the packet handed off to hardware will *not* be transmitted?. Especially considering there are no transmit errors or pause frames received. There are no dma tx failures either. That’s the baffling part. I tried another exercise where I used ping of various sizes going out, but that doesn’t seem to trigger the problem. >To understand your setup better, ixia is the sender and your box with >igb(4) is the receiver and your are sending arp requests to it. Yes, correct. >Can you post following for working (size <= 64bytes) and non-working >(size > 64bytes) cases for before/after? > >sysctl dev.igb | grep tx_packets >sysctl dev.igb | grep total_pkts_txd >sysctl dev.igb | grep rx_packets >sysctl dev.igb | grep total_pkts_recvd Before(not working): dev.igb.1.queue0.tx_packets: 24907933 dev.igb.1.queue0.rx_packets: 18086575 dev.igb.1.mac_stats.total_pkts_recvd: 25057359 dev.igb.1.mac_stats.total_pkts_txd: 16647169 After(not working): dev.igb.1.queue0.tx_packets: 24913324 dev.igb.1.queue0.rx_packets: 18091832 dev.igb.1.mac_stats.total_pkts_recvd: 25062618 dev.igb.1.mac_stats.total_pkts_txd: 16647545 >netstat -sp arp The difference is 5391 for queue0.tx_packets but for mac_stats.total_pkts_txd is 376 Everything else is matching up. Before (working) dev.igb.1.queue0.tx_packets: 25359165 dev.igb.1.queue0.rx_packets: 18526094 dev.igb.1.mac_stats.total_pkts_recvd: 25508763 dev.igb.1.mac_stats.total_pkts_txd: 16831587 After(working) dev.igb.1.queue0.tx_packets: 25364597 dev.igb.1.queue0.rx_packets: 18531398 dev.igb.1.mac_stats.total_pkts_recvd: 25514009 dev.igb.1.mac_stats.total_pkts_txd: 16836833 Another interesting stat is before_notworking:dev.igb.1.interrupts.tx_queue_empty: 16646890 after_notworking:dev.igb.1.interrupts.tx_queue_empty: 16647266 The difference here is exactly 376 which is the number of packets that the device actually claims to have transmitted. It’s as though it didn’t see the other packets en-queued in the ring descriptor. I can’t do netstat just for arp as these are coming in a tunnel(Packets don’t’ show up as arp on the interface). However, I did see the packet rate was about 500 packets/sec >(You can netstat -z to clear the counters between runs.) > >Cheers, >Hiren [-- Attachment #2 --] hw.igb.rx_process_limit: 100 hw.igb.num_queues: 0 hw.igb.header_split: 0 hw.igb.max_interrupt_rate: 8000 hw.igb.enable_msix: 1 hw.igb.enable_aim: 1 hw.igb.txd: 1024 hw.igb.rxd: 1024 dev.igb.%parent: dev.igb.0.%desc: Intel(R) PRO/1000 Network Connection version - 2.4.0 dev.igb.0.%driver: igb dev.igb.0.%location: slot=7 function=0 handle=\_SB_.PCI0.S38_ dev.igb.0.%pnpinfo: vendor=0x8086 device=0x043a subvendor=0x8086 subdevice=0x0000 class=0x020000 dev.igb.0.%parent: pci0 dev.igb.0.nvm: -1 dev.igb.0.enable_aim: 1 dev.igb.0.fc: 3 dev.igb.0.rx_processing_limit: 100 dev.igb.0.link_irq: 8 dev.igb.0.dropped: 0 dev.igb.0.tx_dma_fail: 0 dev.igb.0.rx_overruns: 0 dev.igb.0.watchdog_timeouts: 0 dev.igb.0.device_control: 416291393 dev.igb.0.rx_control: 67141666 dev.igb.0.interrupt_mask: 4 dev.igb.0.extended_int_mask: 2147483655 dev.igb.0.tx_buf_alloc: 0 dev.igb.0.rx_buf_alloc: 0 dev.igb.0.fc_high_water: 33168 dev.igb.0.fc_low_water: 33152 dev.igb.0.queue0.interrupt_rate: 100000 dev.igb.0.queue0.txd_head: 93 dev.igb.0.queue0.txd_tail: 93 dev.igb.0.queue0.no_desc_avail: 0 dev.igb.0.queue0.tx_packets: 617466 dev.igb.0.queue0.rxd_head: 701 dev.igb.0.queue0.rxd_tail: 700 dev.igb.0.queue0.rx_packets: 587453 dev.igb.0.queue0.rx_bytes: 36707576 dev.igb.0.queue0.lro_queued: 0 dev.igb.0.queue0.lro_flushed: 0 dev.igb.0.queue1.interrupt_rate: 12658 dev.igb.0.queue1.txd_head: 7 dev.igb.0.queue1.txd_tail: 7 dev.igb.0.queue1.no_desc_avail: 0 dev.igb.0.queue1.tx_packets: 7 dev.igb.0.queue1.rxd_head: 569 dev.igb.0.queue1.rxd_tail: 568 dev.igb.0.queue1.rx_packets: 86585 dev.igb.0.queue1.rx_bytes: 105122640 dev.igb.0.queue1.lro_queued: 0 dev.igb.0.queue1.lro_flushed: 0 dev.igb.0.mac_stats.excess_coll: 0 dev.igb.0.mac_stats.single_coll: 0 dev.igb.0.mac_stats.multiple_coll: 0 dev.igb.0.mac_stats.late_coll: 0 dev.igb.0.mac_stats.collision_count: 0 dev.igb.0.mac_stats.symbol_errors: 0 dev.igb.0.mac_stats.sequence_errors: 0 dev.igb.0.mac_stats.defer_count: 0 dev.igb.0.mac_stats.missed_packets: 0 dev.igb.0.mac_stats.recv_length_errors: 0 dev.igb.0.mac_stats.recv_no_buff: 0 dev.igb.0.mac_stats.recv_undersize: 0 dev.igb.0.mac_stats.recv_fragmented: 0 dev.igb.0.mac_stats.recv_oversize: 0 dev.igb.0.mac_stats.recv_jabber: 0 dev.igb.0.mac_stats.recv_errs: 0 dev.igb.0.mac_stats.crc_errs: 0 dev.igb.0.mac_stats.alignment_errs: 0 dev.igb.0.mac_stats.tx_no_crs: 0 dev.igb.0.mac_stats.coll_ext_errs: 0 dev.igb.0.mac_stats.xon_recvd: 0 dev.igb.0.mac_stats.xon_txd: 0 dev.igb.0.mac_stats.xoff_recvd: 0 dev.igb.0.mac_stats.xoff_txd: 0 dev.igb.0.mac_stats.unsupported_fc_recvd: 0 dev.igb.0.mac_stats.mgmt_pkts_recvd: 0 dev.igb.0.mac_stats.mgmt_pkts_drop: 0 dev.igb.0.mac_stats.mgmt_pkts_txd: 0 dev.igb.0.mac_stats.total_pkts_recvd: 674038 dev.igb.0.mac_stats.good_pkts_recvd: 674038 dev.igb.0.mac_stats.bcast_pkts_recvd: 1 dev.igb.0.mac_stats.mcast_pkts_recvd: 0 dev.igb.0.mac_stats.rx_frames_64: 430357 dev.igb.0.mac_stats.rx_frames_65_127: 157431 dev.igb.0.mac_stats.rx_frames_128_255: 96 dev.igb.0.mac_stats.rx_frames_256_511: 21551 dev.igb.0.mac_stats.rx_frames_512_1023: 1 dev.igb.0.mac_stats.rx_frames_1024_1522: 64602 dev.igb.0.mac_stats.good_octets_recvd: 144526368 dev.igb.0.mac_stats.total_octets_recvd: 144526368 dev.igb.0.mac_stats.good_octets_txd: 59128765 dev.igb.0.mac_stats.total_octets_txd: 59128765 dev.igb.0.mac_stats.total_pkts_txd: 617473 dev.igb.0.mac_stats.good_pkts_txd: 617473 dev.igb.0.mac_stats.bcast_pkts_txd: 1 dev.igb.0.mac_stats.mcast_pkts_txd: 0 dev.igb.0.mac_stats.tx_frames_64: 430704 dev.igb.0.mac_stats.tx_frames_65_127: 165039 dev.igb.0.mac_stats.tx_frames_128_255: 125 dev.igb.0.mac_stats.tx_frames_256_511: 29 dev.igb.0.mac_stats.tx_frames_512_1023: 21560 dev.igb.0.mac_stats.tx_frames_1024_1522: 16 dev.igb.0.mac_stats.tso_txd: 0 dev.igb.0.mac_stats.tso_ctx_fail: 0 dev.igb.0.interrupts.asserts: 2130174 dev.igb.0.interrupts.rx_pkt_timer: 674021 dev.igb.0.interrupts.rx_abs_timer: 0 dev.igb.0.interrupts.tx_pkt_timer: 0 dev.igb.0.interrupts.tx_abs_timer: 0 dev.igb.0.interrupts.tx_queue_empty: 617447 dev.igb.0.interrupts.tx_queue_min_thresh: 11 dev.igb.0.interrupts.rx_desc_min_thresh: 0 dev.igb.0.interrupts.rx_overrun: 0 dev.igb.0.host.breaker_tx_pkt: 0 dev.igb.0.host.host_tx_pkt_discard: 0 dev.igb.0.host.rx_pkt: 17 dev.igb.0.host.breaker_rx_pkts: 0 dev.igb.0.host.breaker_rx_pkt_drop: 0 dev.igb.0.host.tx_good_pkt: 26 dev.igb.0.host.breaker_tx_pkt_drop: 0 dev.igb.0.host.rx_good_bytes: 144526368 dev.igb.0.host.tx_good_bytes: 59128765 dev.igb.0.host.length_errors: 0 dev.igb.0.host.serdes_violation_pkt: 0 dev.igb.0.host.header_redir_missed: 0 dev.igb.1.%desc: Intel(R) PRO/1000 Network Connection version - 2.4.0 dev.igb.1.%driver: igb dev.igb.1.%location: slot=16 function=0 handle=\_SB_.PCI0.S80_ dev.igb.1.%pnpinfo: vendor=0x8086 device=0x043a subvendor=0x8086 subdevice=0x0000 class=0x020000 dev.igb.1.%parent: pci0 dev.igb.1.nvm: -1 dev.igb.1.enable_aim: 1 dev.igb.1.fc: 3 dev.igb.1.rx_processing_limit: 100 dev.igb.1.link_irq: 6 dev.igb.1.dropped: 0 dev.igb.1.tx_dma_fail: 0 dev.igb.1.rx_overruns: 0 dev.igb.1.watchdog_timeouts: 0 dev.igb.1.device_control: 416291393 dev.igb.1.rx_control: 67141666 dev.igb.1.interrupt_mask: 4 dev.igb.1.extended_int_mask: 2147483655 dev.igb.1.tx_buf_alloc: 0 dev.igb.1.rx_buf_alloc: 0 dev.igb.1.fc_high_water: 33168 dev.igb.1.fc_low_water: 33152 dev.igb.1.queue0.interrupt_rate: 66666 dev.igb.1.queue0.txd_head: 161 dev.igb.1.queue0.txd_tail: 161 dev.igb.1.queue0.no_desc_avail: 0 dev.igb.1.queue0.tx_packets: 24913324 dev.igb.1.queue0.rxd_head: 739 dev.igb.1.queue0.rxd_tail: 738 dev.igb.1.queue0.rx_packets: 18091832 dev.igb.1.queue0.rx_bytes: 2014695072 dev.igb.1.queue0.lro_queued: 0 dev.igb.1.queue0.lro_flushed: 0 dev.igb.1.queue1.interrupt_rate: 90909 dev.igb.1.queue1.txd_head: 913 dev.igb.1.queue1.txd_tail: 913 dev.igb.1.queue1.no_desc_avail: 0 dev.igb.1.queue1.tx_packets: 1830 dev.igb.1.queue1.rxd_head: 747 dev.igb.1.queue1.rxd_tail: 746 dev.igb.1.queue1.rx_packets: 6971115 dev.igb.1.queue1.rx_bytes: 711237103 dev.igb.1.queue1.lro_queued: 0 dev.igb.1.queue1.lro_flushed: 0 dev.igb.1.mac_stats.excess_coll: 0 dev.igb.1.mac_stats.single_coll: 0 dev.igb.1.mac_stats.multiple_coll: 0 dev.igb.1.mac_stats.late_coll: 0 dev.igb.1.mac_stats.collision_count: 0 dev.igb.1.mac_stats.symbol_errors: 0 dev.igb.1.mac_stats.sequence_errors: 0 dev.igb.1.mac_stats.defer_count: 0 dev.igb.1.mac_stats.missed_packets: 0 dev.igb.1.mac_stats.recv_length_errors: 0 dev.igb.1.mac_stats.recv_no_buff: 0 dev.igb.1.mac_stats.recv_undersize: 0 dev.igb.1.mac_stats.recv_fragmented: 0 dev.igb.1.mac_stats.recv_oversize: 0 dev.igb.1.mac_stats.recv_jabber: 0 dev.igb.1.mac_stats.recv_errs: 0 dev.igb.1.mac_stats.crc_errs: 0 dev.igb.1.mac_stats.alignment_errs: 0 dev.igb.1.mac_stats.tx_no_crs: 0 dev.igb.1.mac_stats.coll_ext_errs: 0 dev.igb.1.mac_stats.xon_recvd: 0 dev.igb.1.mac_stats.xon_txd: 0 dev.igb.1.mac_stats.xoff_recvd: 0 dev.igb.1.mac_stats.xoff_txd: 0 dev.igb.1.mac_stats.unsupported_fc_recvd: 0 dev.igb.1.mac_stats.mgmt_pkts_recvd: 0 dev.igb.1.mac_stats.mgmt_pkts_drop: 0 dev.igb.1.mac_stats.mgmt_pkts_txd: 0 dev.igb.1.mac_stats.total_pkts_recvd: 25062618 dev.igb.1.mac_stats.good_pkts_recvd: 25062618 dev.igb.1.mac_stats.bcast_pkts_recvd: 151 dev.igb.1.mac_stats.mcast_pkts_recvd: 0 dev.igb.1.mac_stats.rx_frames_64: 180323 dev.igb.1.mac_stats.rx_frames_65_127: 15664537 dev.igb.1.mac_stats.rx_frames_128_255: 8497623 dev.igb.1.mac_stats.rx_frames_256_511: 419035 dev.igb.1.mac_stats.rx_frames_512_1023: 200586 dev.igb.1.mac_stats.rx_frames_1024_1522: 100514 dev.igb.1.mac_stats.good_octets_recvd: 2826147434 dev.igb.1.mac_stats.total_octets_recvd: 2826147434 dev.igb.1.mac_stats.good_octets_txd: 1547758049 dev.igb.1.mac_stats.total_octets_txd: 1547758049 dev.igb.1.mac_stats.total_pkts_txd: 16647545 dev.igb.1.mac_stats.good_pkts_txd: 16647545 dev.igb.1.mac_stats.bcast_pkts_txd: 1070 dev.igb.1.mac_stats.mcast_pkts_txd: 0 dev.igb.1.mac_stats.tx_frames_64: 6488863 dev.igb.1.mac_stats.tx_frames_65_127: 9870663 dev.igb.1.mac_stats.tx_frames_128_255: 3921 dev.igb.1.mac_stats.tx_frames_256_511: 1969 dev.igb.1.mac_stats.tx_frames_512_1023: 1778 dev.igb.1.mac_stats.tx_frames_1024_1522: 280351 dev.igb.1.mac_stats.tso_txd: 0 dev.igb.1.mac_stats.tso_ctx_fail: 0 dev.igb.1.interrupts.asserts: 53864676 dev.igb.1.interrupts.rx_pkt_timer: 25059692 dev.igb.1.interrupts.rx_abs_timer: 0 dev.igb.1.interrupts.tx_pkt_timer: 0 dev.igb.1.interrupts.tx_abs_timer: 0 dev.igb.1.interrupts.tx_queue_empty: 16647266 dev.igb.1.interrupts.tx_queue_min_thresh: 26 dev.igb.1.interrupts.rx_desc_min_thresh: 0 dev.igb.1.interrupts.rx_overrun: 0 dev.igb.1.host.breaker_tx_pkt: 0 dev.igb.1.host.host_tx_pkt_discard: 0 dev.igb.1.host.rx_pkt: 2926 dev.igb.1.host.breaker_rx_pkts: 0 dev.igb.1.host.breaker_rx_pkt_drop: 0 dev.igb.1.host.tx_good_pkt: 279 dev.igb.1.host.breaker_tx_pkt_drop: 0 dev.igb.1.host.rx_good_bytes: 2826147434 dev.igb.1.host.tx_good_bytes: 1547758049 dev.igb.1.host.length_errors: 0 dev.igb.1.host.serdes_violation_pkt: 0 dev.igb.1.host.header_redir_missed: 0 [-- Attachment #3 --] hw.igb.rx_process_limit: 100 hw.igb.num_queues: 0 hw.igb.header_split: 0 hw.igb.max_interrupt_rate: 8000 hw.igb.enable_msix: 1 hw.igb.enable_aim: 1 hw.igb.txd: 1024 hw.igb.rxd: 1024 dev.igb.%parent: dev.igb.0.%desc: Intel(R) PRO/1000 Network Connection version - 2.4.0 dev.igb.0.%driver: igb dev.igb.0.%location: slot=7 function=0 handle=\_SB_.PCI0.S38_ dev.igb.0.%pnpinfo: vendor=0x8086 device=0x043a subvendor=0x8086 subdevice=0x0000 class=0x020000 dev.igb.0.%parent: pci0 dev.igb.0.nvm: -1 dev.igb.0.enable_aim: 1 dev.igb.0.fc: 3 dev.igb.0.rx_processing_limit: 100 dev.igb.0.link_irq: 8 dev.igb.0.dropped: 0 dev.igb.0.tx_dma_fail: 0 dev.igb.0.rx_overruns: 0 dev.igb.0.watchdog_timeouts: 0 dev.igb.0.device_control: 416291393 dev.igb.0.rx_control: 67141666 dev.igb.0.interrupt_mask: 4 dev.igb.0.extended_int_mask: 2147483655 dev.igb.0.tx_buf_alloc: 0 dev.igb.0.rx_buf_alloc: 0 dev.igb.0.fc_high_water: 33168 dev.igb.0.fc_low_water: 33152 dev.igb.0.queue0.interrupt_rate: 100000 dev.igb.0.queue0.txd_head: 79 dev.igb.0.queue0.txd_tail: 79 dev.igb.0.queue0.no_desc_avail: 0 dev.igb.0.queue0.tx_packets: 617452 dev.igb.0.queue0.rxd_head: 688 dev.igb.0.queue0.rxd_tail: 687 dev.igb.0.queue0.rx_packets: 587440 dev.igb.0.queue0.rx_bytes: 36706770 dev.igb.0.queue0.lro_queued: 0 dev.igb.0.queue0.lro_flushed: 0 dev.igb.0.queue1.interrupt_rate: 6451 dev.igb.0.queue1.txd_head: 7 dev.igb.0.queue1.txd_tail: 7 dev.igb.0.queue1.no_desc_avail: 0 dev.igb.0.queue1.tx_packets: 7 dev.igb.0.queue1.rxd_head: 565 dev.igb.0.queue1.rxd_tail: 564 dev.igb.0.queue1.rx_packets: 86581 dev.igb.0.queue1.rx_bytes: 105117760 dev.igb.0.queue1.lro_queued: 0 dev.igb.0.queue1.lro_flushed: 0 dev.igb.0.mac_stats.excess_coll: 0 dev.igb.0.mac_stats.single_coll: 0 dev.igb.0.mac_stats.multiple_coll: 0 dev.igb.0.mac_stats.late_coll: 0 dev.igb.0.mac_stats.collision_count: 0 dev.igb.0.mac_stats.symbol_errors: 0 dev.igb.0.mac_stats.sequence_errors: 0 dev.igb.0.mac_stats.defer_count: 0 dev.igb.0.mac_stats.missed_packets: 0 dev.igb.0.mac_stats.recv_length_errors: 0 dev.igb.0.mac_stats.recv_no_buff: 0 dev.igb.0.mac_stats.recv_undersize: 0 dev.igb.0.mac_stats.recv_fragmented: 0 dev.igb.0.mac_stats.recv_oversize: 0 dev.igb.0.mac_stats.recv_jabber: 0 dev.igb.0.mac_stats.recv_errs: 0 dev.igb.0.mac_stats.crc_errs: 0 dev.igb.0.mac_stats.alignment_errs: 0 dev.igb.0.mac_stats.tx_no_crs: 0 dev.igb.0.mac_stats.coll_ext_errs: 0 dev.igb.0.mac_stats.xon_recvd: 0 dev.igb.0.mac_stats.xon_txd: 0 dev.igb.0.mac_stats.xoff_recvd: 0 dev.igb.0.mac_stats.xoff_txd: 0 dev.igb.0.mac_stats.unsupported_fc_recvd: 0 dev.igb.0.mac_stats.mgmt_pkts_recvd: 0 dev.igb.0.mac_stats.mgmt_pkts_drop: 0 dev.igb.0.mac_stats.mgmt_pkts_txd: 0 dev.igb.0.mac_stats.total_pkts_recvd: 674021 dev.igb.0.mac_stats.good_pkts_recvd: 674021 dev.igb.0.mac_stats.bcast_pkts_recvd: 1 dev.igb.0.mac_stats.mcast_pkts_recvd: 0 dev.igb.0.mac_stats.rx_frames_64: 430347 dev.igb.0.mac_stats.rx_frames_65_127: 157428 dev.igb.0.mac_stats.rx_frames_128_255: 96 dev.igb.0.mac_stats.rx_frames_256_511: 21550 dev.igb.0.mac_stats.rx_frames_512_1023: 1 dev.igb.0.mac_stats.rx_frames_1024_1522: 64599 dev.igb.0.mac_stats.good_octets_recvd: 144520614 dev.igb.0.mac_stats.total_octets_recvd: 144520614 dev.igb.0.mac_stats.good_octets_txd: 59127837 dev.igb.0.mac_stats.total_octets_txd: 59127837 dev.igb.0.mac_stats.total_pkts_txd: 617459 dev.igb.0.mac_stats.good_pkts_txd: 617459 dev.igb.0.mac_stats.bcast_pkts_txd: 1 dev.igb.0.mac_stats.mcast_pkts_txd: 0 dev.igb.0.mac_stats.tx_frames_64: 430694 dev.igb.0.mac_stats.tx_frames_65_127: 165035 dev.igb.0.mac_stats.tx_frames_128_255: 125 dev.igb.0.mac_stats.tx_frames_256_511: 29 dev.igb.0.mac_stats.tx_frames_512_1023: 21560 dev.igb.0.mac_stats.tx_frames_1024_1522: 16 dev.igb.0.mac_stats.tso_txd: 0 dev.igb.0.mac_stats.tso_ctx_fail: 0 dev.igb.0.interrupts.asserts: 2130124 dev.igb.0.interrupts.rx_pkt_timer: 674004 dev.igb.0.interrupts.rx_abs_timer: 0 dev.igb.0.interrupts.tx_pkt_timer: 0 dev.igb.0.interrupts.tx_abs_timer: 0 dev.igb.0.interrupts.tx_queue_empty: 617433 dev.igb.0.interrupts.tx_queue_min_thresh: 11 dev.igb.0.interrupts.rx_desc_min_thresh: 0 dev.igb.0.interrupts.rx_overrun: 0 dev.igb.0.host.breaker_tx_pkt: 0 dev.igb.0.host.host_tx_pkt_discard: 0 dev.igb.0.host.rx_pkt: 17 dev.igb.0.host.breaker_rx_pkts: 0 dev.igb.0.host.breaker_rx_pkt_drop: 0 dev.igb.0.host.tx_good_pkt: 26 dev.igb.0.host.breaker_tx_pkt_drop: 0 dev.igb.0.host.rx_good_bytes: 144520614 dev.igb.0.host.tx_good_bytes: 59127837 dev.igb.0.host.length_errors: 0 dev.igb.0.host.serdes_violation_pkt: 0 dev.igb.0.host.header_redir_missed: 0 dev.igb.1.%desc: Intel(R) PRO/1000 Network Connection version - 2.4.0 dev.igb.1.%driver: igb dev.igb.1.%location: slot=16 function=0 handle=\_SB_.PCI0.S80_ dev.igb.1.%pnpinfo: vendor=0x8086 device=0x043a subvendor=0x8086 subdevice=0x0000 class=0x020000 dev.igb.1.%parent: pci0 dev.igb.1.nvm: -1 dev.igb.1.enable_aim: 1 dev.igb.1.fc: 3 dev.igb.1.rx_processing_limit: 100 dev.igb.1.link_irq: 6 dev.igb.1.dropped: 0 dev.igb.1.tx_dma_fail: 0 dev.igb.1.rx_overruns: 0 dev.igb.1.watchdog_timeouts: 0 dev.igb.1.device_control: 416291393 dev.igb.1.rx_control: 67141666 dev.igb.1.interrupt_mask: 4 dev.igb.1.extended_int_mask: 2147483655 dev.igb.1.tx_buf_alloc: 0 dev.igb.1.rx_buf_alloc: 0 dev.igb.1.fc_high_water: 33168 dev.igb.1.fc_low_water: 33152 dev.igb.1.queue0.interrupt_rate: 66666 dev.igb.1.queue0.txd_head: 110 dev.igb.1.queue0.txd_tail: 110 dev.igb.1.queue0.no_desc_avail: 0 dev.igb.1.queue0.tx_packets: 24907933 dev.igb.1.queue0.rxd_head: 602 dev.igb.1.queue0.rxd_tail: 601 dev.igb.1.queue0.rx_packets: 18086575 dev.igb.1.queue0.rx_bytes: 2014040940 dev.igb.1.queue0.lro_queued: 0 dev.igb.1.queue0.lro_flushed: 0 dev.igb.1.queue1.interrupt_rate: 90909 dev.igb.1.queue1.txd_head: 913 dev.igb.1.queue1.txd_tail: 913 dev.igb.1.queue1.no_desc_avail: 0 dev.igb.1.queue1.tx_packets: 1830 dev.igb.1.queue1.rxd_head: 613 dev.igb.1.queue1.rxd_tail: 612 dev.igb.1.queue1.rx_packets: 6970981 dev.igb.1.queue1.rx_bytes: 711228235 dev.igb.1.queue1.lro_queued: 0 dev.igb.1.queue1.lro_flushed: 0 dev.igb.1.mac_stats.excess_coll: 0 dev.igb.1.mac_stats.single_coll: 0 dev.igb.1.mac_stats.multiple_coll: 0 dev.igb.1.mac_stats.late_coll: 0 dev.igb.1.mac_stats.collision_count: 0 dev.igb.1.mac_stats.symbol_errors: 0 dev.igb.1.mac_stats.sequence_errors: 0 dev.igb.1.mac_stats.defer_count: 0 dev.igb.1.mac_stats.missed_packets: 0 dev.igb.1.mac_stats.recv_length_errors: 0 dev.igb.1.mac_stats.recv_no_buff: 0 dev.igb.1.mac_stats.recv_undersize: 0 dev.igb.1.mac_stats.recv_fragmented: 0 dev.igb.1.mac_stats.recv_oversize: 0 dev.igb.1.mac_stats.recv_jabber: 0 dev.igb.1.mac_stats.recv_errs: 0 dev.igb.1.mac_stats.crc_errs: 0 dev.igb.1.mac_stats.alignment_errs: 0 dev.igb.1.mac_stats.tx_no_crs: 0 dev.igb.1.mac_stats.coll_ext_errs: 0 dev.igb.1.mac_stats.xon_recvd: 0 dev.igb.1.mac_stats.xon_txd: 0 dev.igb.1.mac_stats.xoff_recvd: 0 dev.igb.1.mac_stats.xoff_txd: 0 dev.igb.1.mac_stats.unsupported_fc_recvd: 0 dev.igb.1.mac_stats.mgmt_pkts_recvd: 0 dev.igb.1.mac_stats.mgmt_pkts_drop: 0 dev.igb.1.mac_stats.mgmt_pkts_txd: 0 dev.igb.1.mac_stats.total_pkts_recvd: 25057359 dev.igb.1.mac_stats.good_pkts_recvd: 25057359 dev.igb.1.mac_stats.bcast_pkts_recvd: 151 dev.igb.1.mac_stats.mcast_pkts_recvd: 0 dev.igb.1.mac_stats.rx_frames_64: 180323 dev.igb.1.mac_stats.rx_frames_65_127: 15664164 dev.igb.1.mac_stats.rx_frames_128_255: 8492740 dev.igb.1.mac_stats.rx_frames_256_511: 419035 dev.igb.1.mac_stats.rx_frames_512_1023: 200583 dev.igb.1.mac_stats.rx_frames_1024_1522: 100514 dev.igb.1.mac_stats.good_octets_recvd: 2825479857 dev.igb.1.mac_stats.total_octets_recvd: 2825479857 dev.igb.1.mac_stats.good_octets_txd: 1547732683 dev.igb.1.mac_stats.total_octets_txd: 1547732683 dev.igb.1.mac_stats.total_pkts_txd: 16647169 dev.igb.1.mac_stats.good_pkts_txd: 16647169 dev.igb.1.mac_stats.bcast_pkts_txd: 1070 dev.igb.1.mac_stats.mcast_pkts_txd: 0 dev.igb.1.mac_stats.tx_frames_64: 6488700 dev.igb.1.mac_stats.tx_frames_65_127: 9870450 dev.igb.1.mac_stats.tx_frames_128_255: 3921 dev.igb.1.mac_stats.tx_frames_256_511: 1969 dev.igb.1.mac_stats.tx_frames_512_1023: 1778 dev.igb.1.mac_stats.tx_frames_1024_1522: 280351 dev.igb.1.mac_stats.tso_txd: 0 dev.igb.1.mac_stats.tso_ctx_fail: 0 dev.igb.1.interrupts.asserts: 53851889 dev.igb.1.interrupts.rx_pkt_timer: 25054433 dev.igb.1.interrupts.rx_abs_timer: 0 dev.igb.1.interrupts.tx_pkt_timer: 0 dev.igb.1.interrupts.tx_abs_timer: 0 dev.igb.1.interrupts.tx_queue_empty: 16646890 dev.igb.1.interrupts.tx_queue_min_thresh: 26 dev.igb.1.interrupts.rx_desc_min_thresh: 0 dev.igb.1.interrupts.rx_overrun: 0 dev.igb.1.host.breaker_tx_pkt: 0 dev.igb.1.host.host_tx_pkt_discard: 0 dev.igb.1.host.rx_pkt: 2926 dev.igb.1.host.breaker_rx_pkts: 0 dev.igb.1.host.breaker_rx_pkt_drop: 0 dev.igb.1.host.tx_good_pkt: 279 dev.igb.1.host.breaker_tx_pkt_drop: 0 dev.igb.1.host.rx_good_bytes: 2825479857 dev.igb.1.host.tx_good_bytes: 1547732683 dev.igb.1.host.length_errors: 0 dev.igb.1.host.serdes_violation_pkt: 0 dev.igb.1.host.header_redir_missed: 0
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