ENVIRONMENT VARIABLES
---------------------
+`LTTNG_HOME`::
+ Alternative user's home directory. This variable is useful when the
+ user running the instrumented application has a non-writable home
+ directory.
++
+Unix sockets used for the communication between `liblttng-ust` and the
+LTTng session and consumer daemons (part of the LTTng-tools project)
+are located in a specific directory under `$LTTNG_HOME` (or `$HOME` if
+`$LTTNG_HOME` is not set).
+
`LTTNG_UST_DEBUG`::
- Activate `liblttng-ust` debug and error output.
+ Activates `liblttng-ust`'s debug and error output if set to `1`.
`LTTNG_UST_REGISTER_TIMEOUT`::
- Specify how long the applications should wait for the
- _registration done_ session daemon command before proceeding to
- execute the main program (milliseconds).
+ Waiting time for the _registration done_ session daemon command
+ before proceeding to execute the main program (milliseconds).
+
-The value 0 means _do not wait_. The value -1 means _wait forever_.
-Setting this environment variable to 0 is recommended for applications
+The value `0` means _do not wait_. The value `-1` means _wait forever_.
+Setting this environment variable to `0` is recommended for applications
with time constraints on the process startup time.
+
Default: {lttng_ust_register_timeout}.
`LTTNG_UST_WITHOUT_BADDR_STATEDUMP`::
- Prevent `liblttng-ust` from performing a base address state dump
- (see the <<state-dump,LTTng-UST state dump>> section above).
+ Prevents `liblttng-ust` from performing a base address state dump
+ (see the <<state-dump,LTTng-UST state dump>> section above) if
+ set to `1`.
`LTTNG_UST_GETCPU_PLUGIN`::
Path to the shared object which acts as the `getcpu()` override