[lttng-dev] lttng - ubuntu 11.10 - problem

[matthew.khouzam@ericsson.com (Matthew Khouzam)]

After, check that your session daemon is loaded too.
the following commands should return +- the following:
lsmod |grep lttng

lttng_probe_timer      15523  0
lttng_probe_statedump    15004  0
lttng_probe_signal     13567  0
lttng_probe_sched      16688  0
lttng_probe_kvm        16020  0
lttng_probe_irq        13728  0
lttng_probe_block      16630  0
lttng_types            12508  0
lttng_probe_lttng      12828  0
lttng_ring_buffer_metadata_mmap_client    13369  0
lttng_ring_buffer_client_mmap_overwrite    17622  0
lttng_ring_buffer_client_mmap_discard    17622  0
lttng_ring_buffer_metadata_client    13369  0
lttng_ring_buffer_client_overwrite    17622  0
lttng_ring_buffer_client_discard    17622  0
lttng_tracer          240715  14
lttng_probe_timer,lttng_probe_statedump,lttng_probe_signal,lttng_probe_sched,lttng_probe_kvm,lttng_probe_irq,lttng_probe_block,lttng_probe_lttng,lttng_ring_buffer_metadata_mmap_client,lttng_ring_buffer_client_mmap_overwrite,lttng_ring_buffer_client_mmap_discard,lttng_ring_buffer_metadata_client,lttng_ring_buffer_client_overwrite,lttng_ring_buffer_client_discard
lttng_kretprobes       13278  1 lttng_tracer
lttng_kprobes          12971  1 lttng_tracer
lttng_ftrace           13162  1 lttng_tracer
lttng_statedump        13903  1 lttng_tracer
lttng_lib_ring_buffer    46389  7
lttng_ring_buffer_metadata_mmap_client,lttng_ring_buffer_client_mmap_overwrite,lttng_ring_buffer_client_mmap_discard,lttng_ring_buffer_metadata_client,lttng_ring_buffer_client_overwrite,lttng_ring_buffer_client_discard,lttng_tracer

ps -aux |grep "ltt"

root      1123  0.0  0.0  47008   728 ?        Ssl  Jun14   0:00
lttng-sessiond

Hope this helps.
Matthew


On 12-06-15 09:12 AM, David Goulet wrote:
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> Hash: SHA1
>
> Hi,
>
> In order to trace the kernel, you need the LTTng kernel modules available in
> the package "lttng-modules-dkms". So make sure you have these three packages
> installed:
>
> # sudo apt-get install lttng-tools lttng-modules-dkms babeltrace
>
> The error message you got indicates that there is simply no LTTng modules
> loaded. Please make sure they are loaded and if the problem persist, let us know!
>
> Thanks!
> David
>
> On 15/06/12 04:16 AM, Francis Giraldeau wrote:
>> Le 2012-06-15 09:41, somanath sahoo a ?crit :
>>> Hi,
>>>
>>> As i am new to lttng usage, I have followed the instructions from 
>>> <https://launchpad.net/~lttng/+archive/ppa> in order to install the lttng
>>> tool set in my ubuntu 11.10. After successful installation, i followed
>>> the getting started link on lttng.org <http://lttng.org/quickstart> in
>>> "root mode".
>> You may verify if kernel modules are loaded correctly. If not, then there
>> may be a problem while the installation.
>>
>> lsmod | grep lttng
>>
>> If not, you may try to load them and see if any error message occurs:
>>
>> sudo modprobe lttng_tracer
>>
>> Francis
>>
>>
>>
>> _______________________________________________ lttng-dev mailing list 
>> lttng-dev at lists.lttng.org 
>> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
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