---------------------------------------------------------------------- Date: Wed, 10 Dec 2014 16:16:06 +0100
> Thanks for that. I have asked our sysadmin to install a newer version via > this method. Even though he gets several severe-lloking errors in this process > > $ apt-get install liblttng-ust-dev > > Building initial module for 3.2.0-61-generic > Errors were encountered while processing: > lttng-modules-dkms > Error! Build of lttng-probe-printk.ko failed for: 3.2.0-61-generic (x86_64) > > In the make log, we find the following three lines: > > /var/lib/dkms/lttng-modules/2.5.x+stable+bzr633+pack21+201412020446~ubuntu12.04.1/build/probes/Makefile:30: > File /usr/src/linux-headers-3.2.0-61-generic/virt/kvm/iodev.h not found. > Probe "kvm" x86-specific is disabled. Use full kernel source tree to enable > it. > /var/lib/dkms/lttng-modules/2.5.x+stable+bzr633+pack21+201412020446~ubuntu12.04.1/build/probes/Makefile:142: > Files /usr/src/linux-headers-3.2.0-61-generic/fs/btrfs/*.h not found. Probe > "btrfs" is disabled. Use full kernel source tree to enable it. > /var/lib/dkms/lttng-modules/2.5.x+stable+bzr633+pack21+201412020446~ubuntu12.04.1/build/probes/Makefile:158: > Files /usr/src/linux-headers-3.2.0-61-generic/fs/ext4/*.h not found. Probe > "ext4" is disabled. Use full kernel source tree to enable it. > > The full kernel source tree is already installed. Those three errors are inconsequential; they simply mean your kernel does not support kvm nor the btrfs and ext4 file systems (a common occurrence). > However it actually works to create a header file from a tp file and compile > (and run) the code. However I now get in trouble when executing: > > $ lttng list --userspace > Error: Unable to list UST events: Undefined command > Error: Command error > > So I guess something still went somewhat wrong but I can't really see what. > > Yan Grange In order to trace user-space, you must install, in sequence, the following packages: userspace-rcu, lttng-ust, lttng-tools. Was this done? Daniel U. Thibault Protection des systèmes et contremesures (PSC) | Systems Protection & Countermeasures (SPC) Cyber sécurité pour les missions essentielles (CME) | Mission Critical Cyber Security (MCCS) RDDC - Centre de recherches de Valcartier | DRDC - Valcartier Research Centre 2459 route de la Bravoure Québec QC G3J 1X5 CANADA Vox : (418) 844-4000 x4245 Fax : (418) 844-4538 NAC : 918V QSDJ <http://www.travelgis.com/map.asp?addr=918V%20QSDJ> Gouvernement du Canada | Government of Canada <http://www.valcartier.drdc-rddc.gc.ca/> _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
