lttng-ust(3): fix syntax of env. variables section

[lttng-ust.git] / doc / man / lttng-ust.3.txt

diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt
index ff0e14f75ca6b86002c979ecbb2d86c228f884fd..816bebc7232a53f8b1752996c0eab97ae0892b81 100644 (file)
--- a/doc/man/lttng-ust.3.txt
+++ b/doc/man/lttng-ust.3.txt
@@ -1088,23 +1088,33 @@ int main(int argc, char* argv[])
 
 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