[ofa-general] Problem while running ib tests

Ira Weiny weiny2 at llnl.gov
Wed Sep 23 08:29:52 PDT 2009


OK, my bad.  I remember the email thread now.  Ido is the maintainer and the git repo changed.

Just to complete this thread the new git tree is:

	git://git.openfabrics.org/~shamoya/perftest.git

Sorry,
Ira

On Wed, 23 Sep 2009 00:52:42 -0500
Karun Sharma <karun.sharma at qlogic.com> wrote:

> I am referring to ib_send_bw, ib_read_bw, ib_write_bw etc. 
> 
> Usage:
>   ib_read_bw            start a server and wait for connection
>   ib_read_bw <host>     connect to server at <host>
> 
> Options:
>   -p, --port=<port>      listen on/connect to port <port> (default 18515)
>   -d, --ib-dev=<dev>     use IB device <dev> (default first device found)
>   -i, --ib-port=<port>   use port <port> of IB device (default 1)
>   -m, --mtu=<mtu>        mtu size (256 - 4096. default for hermon is 2048)
>   -o, --outs=<num>       num of outstanding read/atom(default 4)
>   -s, --size=<size>      size of message to exchange (default 65536)
>   -a, --all              Run sizes from 2 till 2^23
>   -t, --tx-depth=<dep>   size of tx queue (default 100)
>   -n, --iters=<iters>    number of exchanges (at least 2, default 1000)
>   -u, --qp-timeout=<timeout> QP timeout, timeout value is 4 usec * 2 ^(timeout), default 14
>   -S, --sl=<sl>          SL (default 0)
>   -x, --gid-index=<index>   test uses GID with GID index taken from command line (for RDMAoE index should be 0)
>   -b, --bidirectional    measure bidirectional bandwidth (default unidirectional)
>   -V, --version          display version number
>   -e, --events           sleep on CQ events (default poll)
>   -F, --CPU-freq         do not fail even if cpufreq_ondemand module is loaded
> 
> 
> Regards
> Karun
> 
> -----Original Message-----
> From: Ira Weiny [mailto:weiny2 at llnl.gov] 
> Sent: Tuesday, September 22, 2009 9:26 PM
> To: Karun Sharma
> Cc: Sneha Mistry; general at lists.openfabrics.org
> Subject: Re: [ofa-general] Problem while running ib tests
> 
> On Tue, 22 Sep 2009 04:54:22 -0500
> Karun Sharma <karun.sharma at qlogic.com> wrote:
> 
> > Please use "-F" option while running the tests. It will ignore the "Conflicting CPU frequency" errors. You will still see these messages on your screen, but with "-F", you will also see the results. 
> 
> Which commands are you referring to with the "-F" option?
> 
> I just did a pull from git://git.openfabrics.org/~mst/perftest.git and I don't see a -F for the commands there.  Have these tools moved?  Or are you speaking of other tools?
> 
> I also run into this problem and I have resorted to turning off cpuspeed.
> 
> Thanks,
> Ira
> 
> > 
> > Regards
> > Karun
> > 
> > -----Original Message-----
> > From: general-bounces at lists.openfabrics.org [mailto:general-bounces at lists.openfabrics.org] On Behalf Of Sneha Mistry
> > Sent: Tuesday, September 22, 2009 2:35 PM
> > To: general at lists.openfabrics.org
> > Subject: [ofa-general] Problem while running ib tests
> > 
> > Hi,
> > 
> > I have two Dual port HCAa card.Which I have installed in
> > same PC.
> > 
> > I am using OpenSuse 10.3  and installed OFED 1.4.
> > 
> > If I try to run any IB bandwidth test or latency test it end us with warning
> > "Conflicting CPU frequency values detected: 2394.000000 != 1596.000000".
> > 
> > Is it an OFED related problem or Linux kernel problem.
> > 
> > HCA are connected back to back and output of ibstat is as given below.
> > ---------------------------------------------------------------------------------------------------------
> > CA 'mthca0'
> >         CA type: MT25208 (MT23108 compat mode)
> >         Number of ports: 2
> >         Firmware version: 4.8.200
> >         Hardware version: 20
> >         Node GUID: 0x0002c90200283734
> >         System image GUID: 0x0002c90200283737
> >         Port 1:
> >                 State: Active
> >                 Physical state: LinkUp
> >                 Rate: 20
> >                 Base lid: 1
> >                 LMC: 0
> >                 SM lid: 1
> >                 Capability mask: 0x02510a6a
> >                 Port GUID: 0x0002c90200283735
> >         Port 2:
> >                 State: Initializing
> >                 Physical state: LinkUp
> >                 Rate: 20
> >                 Base lid: 0
> >                 LMC: 0
> >                 SM lid: 0
> >                 Capability mask: 0x02510a68
> >                 Port GUID: 0x0002c90200283736
> > CA 'mthca1'
> >         CA type: MT25208 (MT23108 compat mode)
> >         Number of ports: 2
> >         Firmware version: 4.8.200
> >         Hardware version: 20
> >         Node GUID: 0x0002c90200283730
> >         System image GUID: 0x0002c90200283733
> >         Port 1:
> >                 State: Initializing
> >                 Physical state: LinkUp
> >                 Rate: 20
> >                 Base lid: 0
> >                 LMC: 0
> >                 SM lid: 0
> >                 Capability mask: 0x02510a68
> >                 Port GUID: 0x0002c90200283731
> >         Port 2:
> >                 State: Active
> >                 Physical state: LinkUp
> >                 Rate: 20
> >                 Base lid: 3
> >                 LMC: 0
> >                 SM lid: 1
> >                 Capability mask: 0x02510a68
> >                 Port GUID: 0x0002c90200283732
> > --------------------------------------------------------------------------------------------------------------------------------------
> > 
> > Even ibibnetdiscover is detecting one hope.
> > So there is nothing wrong if I try to test 2 HCA connected back to back.
> > 
> > Please tell me what can be done for running ib tests.
> > 
> > Thanks,
> > SGM
> > _______________________________________________
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> > general at lists.openfabrics.org
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> > 
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> > 
> 
> 
> -- 
> Ira Weiny
> Math Programmer/Computer Scientist
> Lawrence Livermore National Lab
> 925-423-8008
> weiny2 at llnl.gov
> 


-- 
Ira Weiny
Math Programmer/Computer Scientist
Lawrence Livermore National Lab
925-423-8008
weiny2 at llnl.gov



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