[#5165] netperf TCP REQUEST/RESPONSE test with big buffer on bf537 has obvious drop
Submitted By: Mingquan Pan
Open Date
2009-05-27 00:25:31 Close Date
2009-06-17 04:12:02
Priority:
Medium Assignee:
Michael Hennerich
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.:
09r1-rc6
App binary format:
N/A
Summary: netperf TCP REQUEST/RESPONSE test with big buffer on bf537 has obvious drop
Details:
netperf TCP REQUEST/RESPONSE test with big buffer on bf537 has obvious drop.
Log from May_26:
bfin> bootm
## Booting kernel from Legacy Image at 02000000 ...
Image Name: Linux-2.6.28.10-ADI-2009R1-svn64
Created: 2009-05-26 11:57:23 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 4888918 Bytes = 4.7 MB
Load Address: 00001000
Entry Point: 0018855c
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 0018855c
Linux version 2.6.28.10-ADI-2009R1-svn6473 (test@uclinux54-adv7393-ad1981-usb1362) (gcc version 4.1.2 (ADI svn)) #4 Tue May 26 19:57:10 CST 2009
Warning: limiting memory to 56MB due to hardware anomaly 05000263
Board Memory: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x00105bc0
rodata = 0x00105bc0-0x00157204
bss = 0x00158000-0x00169728
data = 0x00169728-0x0017a000
stack = 0x00178000-0x0017a000
init = 0x0017a000-0x0090a000
available = 0x0090a000-0x037ff000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 0
Reset caused by Software reset
Blackfin support (C) 2004-2009 Analog Devices, Inc.
Compiled for ADSP-BF537 Rev 0.2
Blackfin Linux support by http://blackfin.uclinux.org/
Processor Speed: 500 MHz core clock and 125 MHz System Clock
NOMPU: setting up cplb tables
Instruction Cache Enabled for CPU0
Data Cache Enabled for CPU0 (write-back)
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14223
Kernel command line:
Configuring Blackfin Priority Driven Interrupts
PID hash table entries: 256 (order: 8, 1024 bytes)
console [ttyBF0] enabled
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory available: 47516k/65536k RAM, (7744k init code, 1042k kernel code, 466k data, 1024k dma, 7744k 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 (37 KB free)
net_namespace: 288 bytes
NET: Registered protocol family 16
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
msgmni has been set to 92
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_mii_bus: probed
bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=24)@sclk=125MHz)
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 1970-10-11 00:51:49 UTC (24454309)
Freeing unused kernel memory: 7744k freed
dma_alloc_init: dma_page @ 0x00906000 - 256 pages at 0x03f00000
_____________________________________
a8888b. / Welcome to the uClinux distribution \
d888888b. / _ _ \
8P"YP"Y88 / | | |_| __ __ (TM) |
8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |
8' .88 \ | | | | _ \| | | | \ / |
8`._.' Y8. \ | |__ | | | | | |_| | / \ |
d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |
dP . Y8b. \ For embedded processors including |
d8:' " `::88b \ the Analog Devices Blackfin /
d8" 'Y88b \___________________________________/
:8P ' :888
8a. : _a88P For further information, check out:
._/"Yaa_: .| 88P| - http://blackfin.uclinux.org/
\ YP" `| 8P `. - http://docs.blackfin.uclinux.org/
/ \.___.d| .' - http://www.uclinux.org/
`--..__)8888P`._.' jgs/a:f - http://www.analog.com/blackfin
Have a lot of fun...
BusyBox v1.13.4 (2009-05-26 18:08:37 CST) built-in shell (msh)
Enter 'help' for a list of built-in commands.
root:/> version
kernel: Linux release 2.6.28.10-ADI-2009R1-svn6473, build #4 Tue May 26 19:57:10 CST 2009
toolchain: bfin-uclinux-gcc release gcc version 4.1.2 (ADI svn)
user-dist: release svn-8134, build #4 Tue May 26 19:56:14 CST 2009
root:/>
************** STEP 3: Start testing.
ifconfig eth0 10.100.4.50
root:/> PHY: 0:01 - Link is Up - 100/Full
************** STEP 4: Untar netperf.
sh-3.00$ sudo ./netserver_x86
Password:
Starting netserver at port 12865
sh-3.00$ ps aux| grep netserver_x86 | head -1
root 24490 0.0 0.0 1692 436 ? Ss 19:58 0:00 ./netserver_x86
sh-3.00$ cd /
root:/> chmod 777 netperf_script
root:/> ./netperf_script
root:/> sudo pkill netserver_x86
Password:
sh-3.00$ cat netperf_tcp_rr
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174 (10.100.4.174) port 0 AF_INET
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec
16384 87380 1 1 600.00 1765.17
16384 87380
root:/> cat netperf_tcp_stream
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174 (10.100.4.174) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 600.00 93.36
root:/>
Last passed time: 2009_May_24_03_00, ucdist ver: 8100, kernel ver: 6451
Case 1 ...FAIL
while on May 24:
root:/> sudo pkill netserver_x86 ^M
Password:^M
sh-3.00$ cat netperf_tcp_rr^M
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174 (10.100.4.174) port 0 AF_INET^M
Local /Remote^M
Socket Size Request Resp. Elapsed Trans.^M
Send Recv Size Size Time Rate ^M
bytes Bytes bytes bytes secs. per sec ^M
^M
16384 87380 1 1 600.00 5259.96 ^M
16384 87380 ^M
root:/> cat netperf_tcp_stream^M
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174 (10.100.4.174) port 0 AF_INET^M
Recv Send Send ^M
Socket Socket Message Elapsed ^M
Size Size Size Time Throughput ^M
bytes bytes bytes secs. 10^6bits/sec ^M
^M
87380 16384 16384 600.00 93.24 ^M
root:/>
The results are got from the same board and same machine, and this issue is seen on several other machines that test bf537 board.
The kernel config is:
Ethernet (10 or 100Mbit) (NET_ETHERNET) [Y/n/?] ^M
Generic Media Independent Interface device support (MII) [Y/?] y^M
Blackfin on-chip MAC support (BFIN_MAC) [Y/n/m/?] ^M
Use L1 memory for rx/tx packets (BFIN_MAC_USE_L1) [Y/n/?] N^M
Number of transmit buffer packets (BFIN_TX_DESC_NUM) [10] 100^M
Number of receive buffer packets (BFIN_RX_DESC_NUM) [20] 500^M
RMII PHY Interface (EXPERIMENTAL) (BFIN_MAC_RMII) [N/y/?] ^M
SMC 91C9x/91C1xxx support (SMC91X) [N/m/y/?] ^M
SMSC LAN911x/LAN921x families embedded ethernet support (SMSC911X) [N/m/y/?] ^M
DM9000 support (DM9000) [N/m/y/?] ^M
ENC28J60 support (ENC28J60) [N/m/y/?] ^M
Broadcom 440x/47xx ethernet support (B44) [N/m/y/?] ^M
config file for kernel is attached.
Pass ver: uclinux-dist:8100,linux:6451
FAIL ver: uclinux-dist:8138,linux:6473
Follow-ups
--- Mingquan Pan 2009-06-17 04:12:02
ok, it looks the results comes back to normal again now.
on branch head, we get:
...
Linux version 2.6.28.10-ADI-2009R1-svn6731
(test@uclinux54-adv7393-ad1981-usb1362) (gcc version 4.1.2 (ADI svn)) #34 Tue
Jun 16 15:34:25 CST 2009^M
...
Password:^M
sh-3.00$ cat netperf_tcp_rr^M
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174
(10.100.4.174) port 0 AF_INET^M
Local /Remote^M
Socket Size Request Resp. Elapsed Trans.^M
Send Recv Size Size Time Rate ^M
bytes Bytes bytes bytes secs. per sec ^M
^M
16384 87380 1 1 600.00 5265.77 ^M
16384 87380 ^M
root:/> cat netperf_tcp_stream^M
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.100.4.174
(10.100.4.174) port 0 AF_INET^M
Recv Send Send ^M
Socket Socket Message Elapsed ^M
Size Size Size Time Throughput ^M
bytes bytes bytes secs. 10^6bits/sec ^M
^M
87380 16384 16384 600.00 89.65 ^M
So close for now.
Files
Changes
Commits
Dependencies
Duplicates
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Tags
File Name File Type File Size Posted By
config.ethernet_in_buffer application/octet-stream 32797 Mingquan Pan