From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Denys Fedoryshchenko" Subject: Re: packetloss, on e1000e worse than r8169? Date: Tue, 17 Jun 2008 01:08:00 +0300 Message-ID: <20080616220004.M32074@visp.net.lb> References: <20080616193501.M64730@visp.net.lb> <4856C3A7.9070703@cosmosbay.com> <20080616202210.M84100@visp.net.lb> <4856CEDC.6010706@intel.com> <20080616204411.M52834@visp.net.lb> <4856D1D6.7040207@intel.com> <20080616211213.M76390@visp.net.lb> <4856DB1D.80503@cosmosbay.com> <20080616213419.M212@visp.net.lb> <4856DE1F.4090001@cosmosbay.com> <4856DEA7.9060506@cosmosbay.com> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Cc: netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from usermail.globalproof.net ([194.146.153.18]:41497 "EHLO usermail.globalproof.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755401AbYFPWIU (ORCPT ); Mon, 16 Jun 2008 18:08:20 -0400 In-Reply-To: <4856DEA7.9060506@cosmosbay.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 16 Jun 2008 23:44:07 +0200, Eric Dumazet wrote opreport -l /mnt/flash/vmlinux |more Here is oprofile CPU: Core 2, speed 2397.64 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000 samples % symbol name 25409 15.0068 mwait_idle 14330 8.4634 ip_route_input 7827 4.6227 irq_entries_start 6488 3.8319 dev_queue_xmit 5497 3.2466 __qdisc_run 5033 2.9725 __slab_free 3569 2.1079 native_read_tsc 3560 2.1026 ip_rcv 3520 2.0789 __alloc_skb 3435 2.0287 __kmalloc_track_caller 3381 1.9968 kmem_cache_alloc 3340 1.9726 ip_forward 3289 1.9425 kfree MegaRouter-KARAM /lib # opreport CPU: Core 2, speed 2397.64 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000 CPU_CLK_UNHALT...| samples| %| ------------------ 612990 64.5673 vmlinux 276274 29.1004 e1000e 31470 3.3148 ip_tables 9676 1.0192 libzebra.so.0.0.0 3763 0.3964 oprofiled MegaRouter-KARAM ~ # opreport image:/e1000e -l CPU: Core 2, speed 2397.64 MHz (estimated) Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000 warning: could not check that the binary file /e1000e has not been modified since the profile was taken. Results may be inaccurate. samples % symbol name 144449 25.7521 e1000_irq_enable 97006 17.2941 e1000_intr_msi 95009 16.9380 e1000_clean_rx_irq 87833 15.6587 e1000_xmit_frame 53723 9.5776 e1000_clean_tx_irq 26546 4.7326 e1000_clean 19968 3.5599 e1000_alloc_rx_buffers 11941 2.1288 e1000_receive_skb 6578 1.1727 e1000_update_itr 5864 1.0454 e1000_desc_unused 4847 0.8641 e1000_maybe_stop_tx 3537 0.6306 e1000_put_txbuf 3490 0.6222 e1000_rx_checksum 107 0.0191 e1000e_update_stats 9 0.0016 e1000_acquire_swflag_ich8lan 7 0.0012 e1000_release_swflag_ich8lan 5 8.9e-04 e1000e_read_phy_reg_mdic 1 1.8e-04 e1000_get_settings 1 1.8e-04 e1000_ioctl -- Denys Fedoryshchenko Technical Manager Virtual ISP S.A.L.