The contents of the stune file will only affect the next kernel rebuild. Once the new kernel has been installed to /stand and booted, the stune file is copied to stune.current. Any change made to the stune.current file using the idtune(1M) command with the -c option will affect all the loadable kernel modules subsequently configured into the running system.
Package scripts should never access /etc/conf/cf.d/stune or /etc/conf/cf.d/stune.current files directly; only the idtune(1M) command should be used.
The stune and stune.current files contain one line for each parameter to be set. Each line contains two positional fields separated by white space:
Blank lines and lines beginning with ``#'' or ``*'' are considered comments and are ignored.
The stune and stune.current fields are:
For detailed information on the system tunable parameters, see ``Tunable parameters'' in Monitoring and tuning the system.