From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: packetloss, on e1000e worse than r8169? Date: Mon, 16 Jun 2008 21:48:55 +0200 Message-ID: <4856C3A7.9070703@cosmosbay.com> References: <20080616193501.M64730@visp.net.lb> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7BIT Cc: netdev@vger.kernel.org, linux.nics@intel.com To: Denys Fedoryshchenko Return-path: Received: from smtp2e.orange.fr ([80.12.242.111]:15677 "EHLO smtp2e.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752532AbYFPTtW convert rfc822-to-8bit (ORCPT ); Mon, 16 Jun 2008 15:49:22 -0400 In-Reply-To: <20080616193501.M64730@visp.net.lb> Sender: netdev-owner@vger.kernel.org List-ID: Denys Fedoryshchenko a e'crit : > Hi again > > I moved from PCI Realtek 8169 to onboard PCI-Express e1000e, and situation > become worse. Strange? Yes. > > Here is info > Load and error rate: > > MegaRouter-KARAM /sys # ifconfig eth1;sleep 10;ifconfig eth1 > eth1 Link encap:Ethernet HWaddr 00:19:D1:71:5F:33 > inet addr:192.168.20.10 Bcast:0.0.0.0 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:91991642 errors:0 dropped:1803444 overruns:0 frame:0 > TX packets:91914611 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:316112765 (301.4 MiB) TX bytes:138303107 (131.8 MiB) > Memory:90300000-90320000 > > eth1 Link encap:Ethernet HWaddr 00:19:D1:71:5F:33 > inet addr:192.168.20.10 Bcast:0.0.0.0 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:92812514 errors:0 dropped:1815490 overruns:0 frame:0 > TX packets:92734865 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:739941322 (705.6 MiB) TX bytes:560547138 (534.5 MiB) > Memory:90300000-90320000 > > System load (there is no NAT, no shapers, just routing, around 600-700 routes): > MegaRouter-KARAM /sys # mpstat 1 > Linux 2.6.26-rc6-git2-build-0029 (MegaRouter-KARAM) 06/16/08 > > 22:36:36 CPU %user %nice %sys %iowait %irq %soft %steal > %idle intr/s > 22:36:37 all 0.00 0.00 0.00 0.00 0.00 1.49 0.00 > 98.51 19764.00 > 22:36:38 all 0.00 0.00 0.50 0.00 0.00 0.50 0.00 > 99.01 19888.00 > 22:36:39 all 0.00 0.00 0.00 0.00 0.00 0.50 0.00 > 99.50 19642.00 > 22:36:40 all 0.00 0.00 0.00 0.00 1.01 9.05 0.00 > 89.95 19543.00 > > (system almost idle) > > MegaRouter-KARAM /sys # ethtool -S eth1 > NIC statistics: > rx_packets: 109977509 > tx_packets: 109887692 > rx_bytes: 57656749138 > tx_bytes: 57536071746 > rx_broadcast: 6497 > tx_broadcast: 92 > rx_multicast: 48995 > tx_multicast: 1960 > rx_errors: 0 > tx_errors: 0 > tx_dropped: 0 > multicast: 48995 > collisions: 0 > rx_length_errors: 0 > rx_over_errors: 0 > rx_crc_errors: 0 > rx_frame_errors: 0 > rx_no_buffer_count: 1796 > rx_missed_errors: 2182679 > tx_aborted_errors: 0 > tx_carrier_errors: 0 > tx_fifo_errors: 0 > tx_heartbeat_errors: 0 > tx_window_errors: 0 > tx_abort_late_coll: 0 > tx_deferred_ok: 55617 > tx_single_coll_ok: 0 > tx_multi_coll_ok: 0 > tx_timeout_count: 0 > tx_restart_queue: 1626 > rx_long_length_errors: 0 > rx_short_length_errors: 0 > rx_align_errors: 0 > tx_tcp_seg_good: 0 > tx_tcp_seg_failed: 0 > rx_flow_control_xon: 55461 > rx_flow_control_xoff: 57329 > tx_flow_control_xon: 39114 > tx_flow_control_xoff: 48341 > rx_long_byte_count: 57656749138 > rx_csum_offload_good: 104097306 > rx_csum_offload_errors: 2209 > rx_header_split: 0 > alloc_rx_buff_failed: 0 > tx_smbus: 22 > rx_smbus: 2201 > dropped_smbus: 0 > rx_dma_failed: 0 > tx_dma_failed: 0 > MegaRouter-KARAM /sys # ethtool -S eth1 > NIC statistics: > rx_packets: 110154571 > tx_packets: 110064459 > rx_bytes: 57753358981 > tx_bytes: 57632419451 > rx_broadcast: 6501 > tx_broadcast: 92 > rx_multicast: 49155 > tx_multicast: 1960 > rx_errors: 0 > tx_errors: 0 > tx_dropped: 0 > multicast: 49155 > collisions: 0 > rx_length_errors: 0 > rx_over_errors: 0 > rx_crc_errors: 0 > rx_frame_errors: 0 > rx_no_buffer_count: 1796 > rx_missed_errors: 2187703 > tx_aborted_errors: 0 > tx_carrier_errors: 0 > tx_fifo_errors: 0 > tx_heartbeat_errors: 0 > tx_window_errors: 0 > tx_abort_late_coll: 0 > tx_deferred_ok: 55772 > tx_single_coll_ok: 0 > tx_multi_coll_ok: 0 > tx_timeout_count: 0 > tx_restart_queue: 1628 > rx_long_length_errors: 0 > rx_short_length_errors: 0 > rx_align_errors: 0 > tx_tcp_seg_good: 0 > tx_tcp_seg_failed: 0 > rx_flow_control_xon: 55615 > rx_flow_control_xoff: 57488 > tx_flow_control_xon: 39209 > tx_flow_control_xoff: 48448 > rx_long_byte_count: 57753358981 > rx_csum_offload_good: 104264656 > rx_csum_offload_errors: 2210 > rx_header_split: 0 > alloc_rx_buff_failed: 0 > tx_smbus: 23 > rx_smbus: 2207 > dropped_smbus: 0 > rx_dma_failed: 0 > tx_dma_failed: 0 > > > What RX & TX rings look like on e1000e ? ethtool -g eth1 Also, please post "cat /proc/interrupts"