[#5725] netperf running on bf548-ezkit relatively slower that before

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[#5725] netperf running on bf548-ezkit relatively slower that before

Submitted By: Mingquan Pan

Open Date

2009-11-26 01:40:58    

Priority:

Medium     Assignee:

Nobody

Status:

Open     Fixed In Release:

N/A

Found In Release:

2010R1     Release:

Category:

N/A     Board:

N/A

Processor:

BF548     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

N/A

Uboot version or rev.:

    Toolchain version or rev.:

4.3.4 (ADI-trunk/svn-3648)

App binary format:

N/A     

Summary: netperf running on bf548-ezkit relatively slower that before

Details:

 

netperf running on bf548-ezkit relatively slower that before at the same default clock values.(cclk 525Mhz,sclk 131Mhz). And on other boards it is not seen this obvious getting slower.

 

The current netperf result on bf548-ezkit is:

root:/> version^M

kernel:    Linux release 2.6.31.4-ADI-2010R1-pre-svn7704, build #38 Sun Oct 25 00:09:10 CST 2009^M

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3648) ^M

user-dist: release svn-9049, build #675 Sun Oct 25 00:08:35 CST 2009^M

root:/> successful boot attempt

 

root:/> 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   4277.26   ^M

16384  87380 ^M

root:/> TransRate 4277.26

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     80.75   ^M

root:/> Throughput 80.75

 

 

while in the log of begining of Sep, we still get:

root:/> version^M

kernel:    Linux release 2.6.30.5-ADI-2010R1-pre-svn7266, build #6 Mon Sep 7 02:11:59 GMT 2009^M

toolchain: bfin-uclinux-gcc release gcc version 4.1.2 (ADI svn)^M

user-dist: release svn-8827, build #3 Mon Sep 7 02:10:57 GMT 2009^M

root:/> successful boot attempt

************** STEP 3: Start testing.

 

ifconfig eth0 10.100.4.50^M

root:/>

************** STEP 4: Untar netperf.

 

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet> sudo ./netserver_x86 ^M

root's password:^M

Starting netserver at port 12865^M

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet> ps aux| grep netserver_x86 | head -1 ^M

root     19696  0.0  0.0   1812   236 ?        Ss   02:13   0:00 ./netserver_x86^M

test@uclinux61-bf548-std:~/work/cruise/checkouts/uclinux-dist/testsuites/ethernet> cd /^M

root:/> netperf -H 10.100.4.174 -t TCP_RR -l 600 > netperf_tcp_rr ^M

root:/> netperf -H 10.100.4.174 -t TCP_STREAM -l 600  > netperf_tcp_stream ^M

root:/> 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   5090.98   ^M

16384  87380 ^M

root:/> TransRate 5090.98

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     90.99   ^M

root:/> Throughput 90.99

 

Case 1 ...PASS

 

Case 1 ...PASS

sudo pkill netserver_x86 ^M

 

 

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