[#4545] netperf REQUEST/RESPONSE test on bfin mac slower than before
Submitted By: Mingquan Pan
Open Date
2008-10-19 23:19:54 Close Date
2009-03-03 03:30:44
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:
Out of Date
Uboot version or rev.:
Toolchain version or rev.:
Oct 10
App binary format:
N/A
Summary: netperf REQUEST/RESPONSE test on bfin mac slower than before
Details:
netperf REQUEST/RESPONSE test on bfin mac slower than before now.
The current number of the test is about:
root:/> PHY: 0:01 - Link is Up - 100/Full^M
sh-3.00$ sudo ./netserver_x86 ^M
Password:^M
Starting netserver at port 12865^M
sh-3.00$ ps aux| grep netserver_x86 | head -1 ^M
root 572 0.0 0.0 1728 448 ? Ss 00:08 0:00 ./netserver_x86^M
sh-3.00$ cd /^M
root:/> chmod 777 netperf_script^M
root:/> ./netperf_script^M
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 3646.33 ^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 80.38 ^M
in which Trans.Rate per sec is around 3646.33, seldom over 4000, which is a normal value about one month ago, and STREAM TEST sometimes would get lower than 80 10^6bits/sec.
Follow-ups
--- Mingquan Pan 2009-01-20 22:44:14
And the Blackfin on-chip MAC driver on bf527 ezkit board is much slower with the
same default
<*> Blackfin on-chip MAC support
│ │
│ │ [*] Use L1 memory for rx/tx
packets │
│
│ │ (10) Number of transmit buffer
packets │
│
│ │ (20) Number of receive buffer
packets
the results are:
## Booting image at 02000000 ...
Image Name: Linux-2.6.28-ADI-2009R1-pre-svn6
Created: 2009-01-18 7:29:20 UTC
Image Type: Blackfin Linux Kernel Image (gzip compressed)
Data Size: 3929120 Bytes = 3.7 MB
Load Address: 00001000
Entry Point: 0018b48c
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Starting Kernel at = 18b48c
Linux version 2.6.28-ADI-2009R1-pre-svn6027 (test@uclinux60-bf527-std) (gcc
version 4.1.2 (ADI svn)) #21 Sun Jan 18 15:29:04 CST 2009
console [early_BFuart0] enabled
early printk enabled on early_BFuart0
Board Memory: 64MB
Kernel Managed Memory: 64MB
Memory map:
fixedcode = 0x00000400-0x00000490
text = 0x00001000-0x0010c0f0
rodata = 0x0010c0f0-0x0015f508
bss = 0x0015f510-0x0016dfa8
data = 0x0016dfa8-0x0017e000
stack = 0x0017c000-0x0017e000
init = 0x0017e000-0x00753000
available = 0x00753000-0x03eff000
DMA Zone = 0x03f00000-0x04000000
Hardware Trace Active and Enabled
Boot Mode: 1
Blackfin support (C) 2004-2008 Analog Devices, Inc.
Compiled for ADSP-BF527 Rev 0.0
Blackfin Linux support by blackfin.uclinux.org/
Processor Speed: 525 MHz core clock and 131 MHz System Clock
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: 16001
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:bf527-ezkit:eth0:off
Configuring Blackfin Priority Driven Interrupts
PID hash table entries: 256 (order: 8, 1024 bytes)
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)
Memory available: 56428k/65536k RAM, (5972k init code, 1068k kernel code, 456k
data, 1024k dma, 584k reserved)
Calibrating delay loop... 1044.48 BogoMIPS (lpj=2088960)
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 (42 KB free)
PDA for CPU0 reserved at 00160440
net_namespace: 288 bytes
NET: Registered protocol family 16
Blackfin GPIO Controller
Blackfin DMA Controller
ezkit_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 110
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler cfq registered
bfin-t350mcqb: 320x240 24-bit RGB FrameBuffer initializing...
dma_alloc_init: dma_page @ 0x0307f000 - 256 pages at 0x03f00000
bfin-otp: initialized
Serial: Blackfin serial driver
bfin-uart.1: ttyBF0 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART
brd: module loaded
bfin_mac_mdio: probed
bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1,
mdc_clk=2500000Hz(mdc_div=25)@sclk=131MHz)
bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1
m25p80 spi0.1: m25p16 (2048 Kbytes)
Creating 2 MTD partitions on "m25p80":
0x00000000-0x00040000 : "bootloader(spi)"
0x00040000-0x00200000 : "linux kernel(spi)"
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 2004-06-01 14:08:02 UTC
(1086098882)
IP-Config: Complete:
device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174,
host=bf527-ezkit, domain=, nis-domain=(none),
bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=
Freeing unused kernel memory: 5972k freed
_____________________________________
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| - blackfin.uclinux.org/
\ YP" `| 8P `. - docs.blackfin.uclinux.org/
/ \.___.d| .' - www.uclinux.org/
`--..__)8888P`._.' jgs/a:f - www.analog.com/blackfin
Have a lot of fun...
BusyBox v1.13.2 (2009-01-18 14:09:17 CST) built-in shell (msh)
Enter 'help' for a list of built-in commands.
root:/> PHY
************** STEP 3: Start testing.
: 0:01 - Link is Up - 100/Full
ifconfig eth0 10.100.4.50
root:/>
************** STEP 4: Untar netperf.
test@uclinux60-bf527-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet>
sudo ./netserver_x86
root's password:
Starting netserver at port 12865
test@uclinux60-bf527-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet>
ps aux| grep netserver_x86 | head -1
root 16421 0.0 0.0 1812 240 ? Ss 15:30 0:00
./netserver_x86
test@uclinux60-bf527-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet>
cd /
root:/> chmod 777 netperf_script
root:/> ./netperf_script
root:/> sudo pkill netserver_x86
root's password:
test@uclinux60-bf527-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet>
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 3772.95
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 27.33
root:/> Connected to 10.100.4.50.
220 localhost.localdomain FTP server (GNU inetutils 1.4.1) ready.
Name (10.100.4.50:test): root
331 Password required for root.
uClinux
--- Sonic Zhang 2009-03-03 03:30:44
out of date after the ssync fix in bfin_mac driver.
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