[lttng-dev] Running under Fedora 12

Miceli, Carlo J. CARLO.J.MICELI at saic.com
Wed Jan 11 14:23:27 EST 2012


Ok.

 

Yes I saw this matrix.

 

Thanks,

Carlo

 

From: Matthew Khouzam [mailto:matthew.khouzam at ericsson.com] 
Sent: Wednesday, January 11, 2012 2:20 PM
To: Miceli, Carlo J.
Subject: Re: [lttng-dev] Running under Fedora 12

 

2 suggestions, 
http://git.lttng.org/?p=lttv.git;a=blob_plain;f=doc/developer/lttng-lttv
-compatibility.html;hb=HEAD <--- this
and keep us posted on ltt-dev, we will reply faster. :)

On 12-01-11 01:51 PM, Miceli, Carlo J. wrote: 

Looks like I am trying to use 0.x ...

 

Following these instructions...

 

http://git.lttng.org/?p=lttv.git;a=blob_plain;f=LTTngManual.html

 

Thanks,

Carlo

 

From: Matthew Khouzam [mailto:matthew.khouzam at ericsson.com] 
Sent: Wednesday, January 11, 2012 1:50 PM
To: Miceli, Carlo J.
Subject: Re: [lttng-dev] Running under Fedora 12

 

Are you using lttng 0x or 2.0?

On 12-01-11 01:40 PM, Miceli, Carlo J. wrote: 

Thanks Matt,

 

Yes I saw the readme..

 

I am installing patches on the kernel and rebuilding the kernel.


So far the using lttng patch 2.6.32.9-lttng-0.198.

 

So far the kernel built fine.

 

Have not built the modules yet. Not sure if this will work.

 

What do you think...

 

From: lttng-dev-bounces at lists.lttng.org
[mailto:lttng-dev-bounces at lists.lttng.org] On Behalf Of Matthew Khouzam
Sent: Wednesday, January 11, 2012 1:19 PM
To: lttng-dev at lists.lttng.org
Subject: Re: [lttng-dev] Running under Fedora 12

 

I haven't tested, but 
LTTng 0.x should work, It works on ubuntu 10.04 which uses 2.6.32
LTTng 2.0 would need some more love to work. I think the minimum kernel
is 2.6.36, see the readme

 "So far, it has been tested on vanilla Linux kernels 2.6.38, 2.6.39 and
3.0 (on x86 32/64-bit, and powerpc 32-bit at the moment, build tested on
ARM). It should work fine with newer kernels and other architectures,
but expect build issues with kernels older than 2.6.36. The clock source
currently used is the standard gettimeofday (slower, less scalable and
less precise than the LTTng 0.x clocks). Support for LTTng 0.x clocks
will be added back soon into LTTng 2.0. Please note that lttng-modules
2.0 can build on a Linux kernel patched with the LTTng 0.x patchset, but
the lttng-modules 2.0 replace the lttng-modules 0.x, so both tracers
cannot be installed at the same time for a given kernel version."

Hope this helps. 
Matt


On 12-01-09 02:20 PM, Miceli, Carlo J. wrote: 

Has anyone run lttng under fedora core 12 2.6.32.26-175.fc12.i686

 

Have trouble trying to figure out what to download for this kernel.

 

Can anyone help here ?

 

Thanks,

Carlo

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