`vpid`::
Virtual process ID: process ID as seen from the point of view of
- the process namespace.
+ the current man:pid_namespaces(7).
`vtid`::
Virtual thread ID: thread ID as seen from the point of view of
- the process namespace.
+ the current man:pid_namespaces(7).
+
+The following man:namespaces(7) context fields are supported by LTTng-UST:
+
+`cgroup_ns`::
+ Cgroup root directory namespace: inode number of the current
+ man:cgroup_namespaces(7) in the proc filesystem.
+
+`ipc_ns`::
+ System V IPC, POSIX message queues namespace: inode number of the
+ current IPC namespace in the proc filesystem.
+
+`mnt_ns`::
+ Mount points namespace: inode number of the current Mount namespace
+ in the proc filesystem.
+
+`net_ns`::
+ Network devices, stacks, ports namespace: inode number of the
+ current Network namespace in the proc filesystem.
+
+`pid_ns`::
+ Process IDs namespace: inode number of the current
+ man:pid_namespaces(7) in the proc filesystem.
+
+`user_ns`::
+ User and group IDs namespace: inode number of the current
+ man:user_namespaces(7) in the proc filesystem.
+
+`uts_ns`::
+ Hostname and NIS domain name namespace: inode number of the
+ current UTS namespace in the proc filesystem.
[[state-dump]]
EXAMPLE
-------
NOTE: A few examples are available in the
-https://github.com/lttng/lttng-ust/tree/master/doc/examples[`doc/examples`]
+https://github.com/lttng/lttng-ust/tree/v{lttng_version}/doc/examples[`doc/examples`]
directory of LTTng-UST's source tree.
This example shows all the features documented in the previous
Path to the shared object which acts as the clock override plugin.
An example of such a plugin can be found in the LTTng-UST
documentation under
- https://github.com/lttng/lttng-ust/tree/master/doc/examples/clock-override[`examples/clock-override`].
+ https://github.com/lttng/lttng-ust/tree/v{lttng_version}/doc/examples/clock-override[`examples/clock-override`].
`LTTNG_UST_DEBUG`::
If set, enable `liblttng-ust`'s debug and error output.
Path to the shared object which acts as the `getcpu()` override
plugin. An example of such a plugin can be found in the LTTng-UST
documentation under
- https://github.com/lttng/lttng-ust/tree/master/doc/examples/getcpu-override[`examples/getcpu-override`].
+ https://github.com/lttng/lttng-ust/tree/v{lttng_version}/doc/examples/getcpu-override[`examples/getcpu-override`].
`LTTNG_UST_REGISTER_TIMEOUT`::
Waiting time for the _registration done_ session daemon command