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: > -----BEGIN PGP SIGNED MESSAGE----- > 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 écrit : >>> 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@lists.lttng.org >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (GNU/Linux) > > iQEcBAEBAgAGBQJP2zTIAAoJEELoaioR9I02CVEH/1ripsIVxDQ2JRPNXs0TVWLD > 5B/qf3oKTohuKCoKE7Q7ZLyo1A9WN0z9JFouVecEPD7MisdJqYufEXkUNbxHg2+y > 9nVT8xF7gToLRBi/qC/hH0JN6AADJmqTVxYAvygv8qWNkLR3PSqguDhE5nM9vrtF > LJSEYlYQh0dktkBM9ESm0lrnbZO/AtXxQB4IbCQSwP1tsNmftEdZ24H8DN0/QWl9 > niRT6XpBzogNJfQQOPFtJTFxpwKHiMQXdE78UtzzMBPZ9P57Go9jMgP+2FELFZl4 > wcu+XMIF2Gx81AajfTkGAjPOczagqKzrgnMCduQaNgCI1hRoWOn7Yu1jTmA6Yxc= > =oy1n > -----END PGP SIGNATURE----- > > _______________________________________________ > lttng-dev mailing list > lttng-dev@lists.lttng.org > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
