On Wed, Jun 18, 2025 at 09:21:02AM +0200, Sebastian Andrzej Siewior wrote: > On 2025-06-17 20:00:23 [+0200], Peter Zijlstra wrote: > > If I have to edit the mount table, I'll just keep it at /debug/tracing/. > > Tracing is very much debug stuff anyway. While I knew there was tracefs, > > I never knew there was another mount point. > > > > Just annoying I now have to add two entries to every new machine.. Oh > > well. > > I don't know what you run but since Debian 11/ Bullseye (v5.10) this happens > more or less on its own. systemd has the proper mount units: > | # mount | grep trace > | tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime) > | # ls -lh /sys/kernel/debug/tracing/ > /dev/null > | # mount | grep trace > | tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime) > | tracefs on /sys/kernel/debug/tracing type tracefs (rw,nosuid,nodev,noexec,relatime) > > This of course doesn't work if you manually mount it to /debug. While a > symlink would work, you still have to touch the boxes. Mostly debian/testing. I prefer a mount from /etc/fstab, I tried a symlink once but that is weird with tab completion for some reason.
