ENVIRONMENT VARIABLES
---------------------
-`LTTNG_HOME`::
+`LTTNG_UST_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
-`$LTTNG_HOME` is not set).
+are located in a specific directory under `$LTTNG_UST_HOME` (or `$HOME` if
+`$LTTNG_UST_HOME` is not set).
+
+NOTE: `$LTTNG_HOME` is also supported as a fallback of `$LTTNG_UST_HOME` for
+backward compatibility reason.
`LTTNG_UST_ALLOW_BLOCKING`::
If set, allow the application to retry event tracing when there's