diff options
| author | Michal Sekletar <msekleta@redhat.com> | 2016-02-03 10:38:29 +0100 |
|---|---|---|
| committer | Michal Sekletar <msekleta@redhat.com> | 2016-02-03 13:54:32 +0100 |
| commit | 3cea8e06e45fc1757de8f74da29fb5fb181db4eb (patch) | |
| tree | 8a8ed9fc51824c028a0825f68f4f62046e5b32e5 /man/journalctl.xml | |
| parent | 485fd9a7b9d59b9f2302a873f7ee5ccac256dd93 (diff) | |
man: clarify what happens when journalctl is called with devpath
Diffstat (limited to 'man/journalctl.xml')
| -rw-r--r-- | man/journalctl.xml | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/man/journalctl.xml b/man/journalctl.xml index b57afb6ebf..7ad3ff60cf 100644 --- a/man/journalctl.xml +++ b/man/journalctl.xml @@ -91,8 +91,14 @@ paths may be specified. If a file path refers to an executable file, this is equivalent to an <literal>_EXE=</literal> match for the canonicalized binary path. Similarly, if a path refers - to a device node, this is equivalent to a - <literal>_KERNEL_DEVICE=</literal> match for the device.</para> + to a device node then match is added for the kernel name of the + device (<literal>_KERNEL_DEVICE=</literal>). Also, matches for the + kernel names of all the parent devices are added automatically. + Device node paths are not stable across reboots, therefore match + for the current boot id (<literal>_BOOT_ID=</literal>) is + always added as well. Note that only the log entries for + the existing device nodes maybe queried by providing path to + the device node.</para> <para>Additional constraints may be added using options <option>--boot</option>, <option>--unit=</option>, etc., to |