Article [#4792] telnet to target response slower

[#4792] telnet to target response slower

Submitted By: Mingquan Pan

Open Date

2009-01-09 06:53:55     Close Date

2009-01-14 01:12:44

Priority:

Medium     Assignee:

Nobody

Status:

Closed     Fixed In Release:

N/A

Found In Release:

N/A     Release:

Category:

N/A     Board:

N/A

Processor:

BF537     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Assigned (Not Start)

Uboot version or rev.:

    Toolchain version or rev.:

Nov 11

App binary format:

N/A     

Summary: telnet to target response slower

Details:

telnet to target response sometimes quite slow when doing ls command (one in seven times), and sometimes it can't smoothly input a long command like ping 10.100.4.50,but the ping process looks ok.

root:~> dmesg

Linux version 2.6.28-ADI-2009R1-pre-svn5978 (test@uclinux54-adv7393-ad1981-usb1362) (gcc version 4.1.2 (ADI svn)) #108 Fri Jan 9 19:18:50 CST 2009

console [early_BFuart0] enabled

early printk enabled on early_BFuart0

Warning: limiting memory to 56MB due to hardware anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x0010a4d0

  rodata    = 0x0010a4d0-0x0015c810

  bss       = 0x0015c810-0x0016b2b0

  data      = 0x0016b2b0-0x0017c000

    stack   = 0x0017a000-0x0017c000

  init      = 0x0017c000-0x0064c000

  available = 0x0064c000-0x037ff000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Reset caused by Software reset

Blackfin support (C) 2004-2008 Analog Devices, Inc.

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by   blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 100 MHz System Clock

boot memmap: 000000000064c000 - 00000000037ff000 (usable)

On node 0 totalpages: 14335

free_area_init_node: node 0, pgdat 001784b4, node_mem_map 00651000

  DMA zone: 112 pages used for memmap

  DMA zone: 0 pages reserved

  DMA zone: 14223 pages, LIFO batch:3

  Normal zone: 0 pages used for memmap

  Movable zone: 0 pages used for memmap

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

Data Cache Enabled for CPU0 (write-through)

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 14223

Kernel command line: root=/dev/mtdblock0 rw earlyprintk=serial,uart0,57600 ip=10.100.4.50:10.100.4.174:10.100.4.174:255.255.255.0:BF537:eth0:off

Configuring Blackfin Priority Driven Interrupts

PID hash table entries: 256 (order: 8, 1024 bytes)

bfin-rtc: invalid date; resetting

console handover: boot [early_BFuart0] -> real [ttyBF0]

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Kernel managed physical pages: 14335

Memory available: 50312k/65536k RAM, (4928k init code, 1061k kernel code, 455k data, 1024k dma, 7756k reserved)

Calibrating delay loop... 995.32 BogoMIPS (lpj=1990656)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (15 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

PDA for CPU0 reserved at 0015d8f8

net_namespace: 288 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

NET: Registered protocol family 1

Setting up Blackfin MMR debugfs

msgmni has been set to 98

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

brd: module loaded

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=19)@sclk=100MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 1970-01-01 00:00:01 UTC (1)

IP-Config: Complete:

     device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,

     host=BF537, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 4928k freed

dma_alloc_init: dma_page @ 0x00648000 - 256 pages at 0x03f00000

PHY: 0:01 - Link is Up - 100/Full

root:~> ifconfig

eth0      Link encap:Ethernet  HWaddr 00:E0:22:FE:47:C0

          inet addr:10.100.4.50  Bcast:10.100.4.255  Mask:255.255.255.0

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:1875 errors:0 dropped:0 overruns:0 frame:0

          TX packets:1518 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:210880 (205.9 KiB)  TX bytes:272131 (265.7 KiB)

lo        Link encap:Local Loopback

          inet addr:127.0.0.1  Mask:255.0.0.0

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:0 errors:0 dropped:0 overruns:0 frame:0

          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

on host:

test@uclinux54-adv7393-ad1981-usb1362:~/work/cruise/checkouts/uclinux-dist/testsuites/stress> telnet 10.100.4.50

Trying 10.100.4.50...

Connected to 10.100.4.50.

Escape character is '^]'.

BusyBox v1.13.2 (2009-01-09 19:11:09 CST) built-in shell (msh)

Enter 'help' for a list of built-in commands.

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ls                                        

root:/> ls

bin   etc   init  mnt   root  sys   usr

dev   home  lib   proc  sbin  tmp   var

root:/> ping 10.100.4.50

PING 10.100.4.50 (10.100.4.50): 56 data bytes

64 bytes from 10.100.4.50: seq=0 ttl=64 time=4.000 ms

64 bytes from 10.100.4.50: seq=1 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=2 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=3 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=4 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=5 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=6 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=7 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=8 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=9 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=10 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=11 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=12 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=13 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=14 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=15 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=16 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=17 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=18 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=19 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=20 ttl=64 time=0.000 ms

64 bytes from 10.100.4.50: seq=21 ttl=64 time=0.000 ms

^C

--- 10.100.4.50 ping statistics ---

22 packets transmitted, 22 packets received, 0% packet loss

round-trip min/avg/max = 0.000/0.181/4.000 ms

Follow-ups

--- Mingquan Pan                                             2009-01-14 01:12:44

Fixed. Close.

    Files

    Changes

    Commits

    Dependencies

    Duplicates

    Associations

    Tags

File Name     File Type     File Size     Posted By

No Files Were Found

Before You Switch


Switching languages will make ADI Explorer unavailable. Resume your session by switching back to English and reopening ADI Explorer.