* Editing the system wide configuration
-You must activate relayfs and specify a mount point. This is typically done in
+You must activate debugfs and specify a mount point. This is typically done in
fstab such that it happens at boot time.
-If you have never used RelayFS before, these operation would do this for you :
+If you have never used DebugFS before, these operation would do this for you :
-mkdir /mnt/relayfs
+mkdir /mnt/debugfs
cp /etc/fstab /etc/fstab.lttng.bkp
-echo "relayfs /mnt/relayfs relayfs rw 0 0" >> /etc/fstab
+echo "debugfs /mnt/debugfs debugfs rw 0 0" >> /etc/fstab
-then, rebooting or issuing the following command will activate relayfs :
+then, rebooting or issuing the following command will activate debugfs :
-mount /mnt/relayfs
+mount /mnt/debugfs
You need to load the ltt-control module to be able to control tracing from user
space. This is done by issuing the command :
Start tracing :
-lttctl -n trace -d -l /mnt/relayfs/ltt -t /tmp/trace
+lttctl -n trace -d -l /mnt/debugfs/ltt -t /tmp/trace
Stop tracing and destroy trace channels :