[ltt-dev] ** ERROR **: Kernel/LTTV event size differs for event tree_call_rcu_bh

Naresh Bhat nareshgbhat at gmail.com
Wed Dec 15 06:59:07 EST 2010


Hi Mathew/Alexandre Montplaisir,

I have executed all the test cases with lttng-kernel patch level*lttng-0.188
*. I have also executed only one test case with following combination
*ttng-0.190,
lttv 0.12.29 and lttc 0.78* but the results are failed.

*Thanks in advance
-Naresh Bhat*

On Wed, Dec 15, 2010 at 5:08 PM, Naresh Bhat <nareshgbhat at gmail.com> wrote:

> Hi Mathew/Alexandre Montplaisir,
>
> Thanks for clarifying. I have the following versions
>
> 1. My linux kernel version is - *2.6.32.21*
>
> 2. lttv version is
>     root at x86-generic:~# lttv --help
>    * Linux Trace Toolkit Visualizer 0.12.29-02022010*
>
> 3.  lttctl version is
>     root at x86-generic:~# lttctl --help
>
>    * Linux Trace Toolkit Trace Control 0.78-04122009*
>
>
> I have tried with the following combinations on x86 32bit generic
> architecture.  The *GREEN* colour one's are best combination which I found
> from compatibility list. But I have marked it as failed because I am getting
> following error.
>
> *lttv -m textDump -t tc-lttng-002 -d -v > tc-lttng-006.log
>
> ** ERROR **: Kernel/LTTV event size differs for event tree_call_rcu_bh: kernel 4, LTTV 8
>
> aborting...
> Aborted
> test:target$ *
>
> *lttv failed to parse trace files in textDump mode*
>
>
>
>   lttv-0.12.24-27112009.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
>
>
>  lttv-0.12.27-29012010.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
> ltt-control-0.80-25032010 Failed
> ltt-control-0.81-26032010 Failed
>
>
>
>
>
>  lttv-0.12.28-29012010.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
> ltt-control-0.80-25032010 Failed
> ltt-control-0.81-26032010 Failed
>
>
>
>
>
>  lttv-0.12.29-02022010.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
> ltt-control-0.80-25032010 Failed
> ltt-control-0.81-26032010 Failed
>
>
>  lttv-0.12.30-02102010.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
> ltt-control-0.80-25032010 Failed
> ltt-control-0.81-26032010 Failed
>
>
>
>
>
>  lttv-0.12.31-04072010.tar.gz ltt-control-0.75-15112009 Failed
> ltt-control-0.76-16112009 Failed
> ltt-control-0.77-18112009 Failed
> ltt-control-0.78-04122009 Failed
> ltt-control-0.79-01022010 Failed
> ltt-control-0.80-25032010 Failed
> ltt-control-0.81-26032010 Failed
>
>
>
>
> Let me know is there any other informations required ?
>
>
> *Thanks and Regards
> -Naresh Bhat*
>
> On Wed, Nov 24, 2010 at 6:36 PM, Alexandre Montplaisir <
> alexandre.montplaisir at polymtl.ca> wrote:
>
>> On 10-11-24 04:17 AM, Naresh Bhat wrote:
>>
>>> Hi Mathew,
>>>
>>> Thank you very much for the information. My kernel version
>>> is*"2.6.32.4-lttng-0.188"
>>> * and LTTV version is* "**Linux Trace Toolkit Trace Control
>>> 0.78-04122009".
>>> *But according to compatibility list it should work.*
>>>
>>> Thanks and Regards
>>> -Naresh Bhat
>>>
>>
>> Hi Naresh,
>>
>> I think you are mistaking "lttctl" for "LTTV" ;)
>>
>> lttctl = Linux Trace Toolkit Control. You have version 0.78 of this.
>> lttv = Linux Trace Toolkit Viewer. You can get its version by running
>> "lttv --help" and checking the first line of the output.
>>
>> It's possible you are using a version of LTTV that was made for a
>> different version of LTTng, which could explain the "event size differs"
>> error you are getting.
>>
>> Cheers,
>>
>> --
>> Alexandre Montplaisir
>> DORSAL lab,
>> École Polytechnique de Montréal
>>
>>
>
>
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