Date: Tue, 24 Mar 2009 05:23:16 GMT From: Alexey Egorov <alex@zond.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/132991: [bge] if_bge low performance problem Message-ID: <200903240523.n2O5NGpQ041424@www.freebsd.org> Resent-Message-ID: <200903240530.n2O5U2U6011102@freefall.freebsd.org>
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>Number: 132991 >Category: kern >Synopsis: [bge] if_bge low performance problem >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Mar 24 05:30:02 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Alexey Egorov >Release: 7.1-RELEASE-p3 amd64 >Organization: >Environment: FreeBSD n1.net.zond.org 7.1-RELEASE-p3 FreeBSD 7.1-RELEASE-p3 #1: Mon Mar 23 11:30:39 NOVT 2009 root@n1.net.zond.org:/usr/src/sys/amd64/compile/GENERIC amd64 >Description: Low performance problem on BCM5721 bge interface: 115343360 bytes transferred in 582.744354 secs (197931 bytes/sec) Speed always ~190kb/sec Test machine: ASUS RS120-E5-PA4 CPU: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (2400.10-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x6fb Stepping = 11 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Features2=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM> AMD Features=0x20100800<SYSCALL,NX,LM> AMD Features2=0x1<LAHF> Cores per package: 4 usable memory = 4281401344 (4083 MB) avail memory = 4135686144 (3944 MB) bge0: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x4201> mem 0xfeaf0000-0xfeafffff irq 16 at device 0.0 on pci3 bge1: <Broadcom NetXtreme Gigabit Ethernet Controller, ASIC rev. 0x4201> mem 0xfebf0000-0xfebfffff irq 17 at device 0.0 on pci4 bge0@pci0:3:0:0: class=0x020000 card=0x81491043 chip=0x165914e4 rev=0x21 hdr=0x00 vendor = 'Broadcom Corporation' device = 'BCM5721 NetXtreme Gigabit Ethernet PCI Express' class = network subclass = ethernet bge1@pci0:4:0:0: class=0x020000 card=0x81491043 chip=0x165914e4 rev=0x21 hdr=0x00 vendor = 'Broadcom Corporation' device = 'BCM5721 NetXtreme Gigabit Ethernet PCI Express' class = network subclass = ethernet I try use if_bge.c and if_bgereg.h from 190194 revision, but problem stay. Is there any solutions? >How-To-Repeat: nc -l 15000 > /dev/null dd if=/dev/zero bs=1m count=102400 | nc host 15000 >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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