[#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

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

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

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

87380 16384 16384 600.00 90.99 ^M

root:/> Throughput 90.99

Case 1 ...PASS

sudo pkill netserver_x86 ^M

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