X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=doc%2Fman%2Flttng-ust.3.txt;h=081388961f4994553a4b80083c4e0427ed5a1af4;hb=c0f6fb054d2f16518d047a6adf7e8aa81eff5403;hp=11fe7684cb6ccfd3956ceaaad5aa0bac66ca465b;hpb=e9f549af207b2228357442e1fafa109bd459e6f3;p=lttng-ust.git

diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt
index 11fe7684..08138896 100644
--- a/doc/man/lttng-ust.3.txt
+++ b/doc/man/lttng-ust.3.txt
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2016 Philippe Proulx <pproulx@efficios.com>
+// SPDX-License-Identifier: CC-BY-4.0
+//
 lttng-ust(3)
 ============
 :object-type: library
@@ -1479,15 +1482,22 @@ int main(int argc, char* argv[])
 
 ENVIRONMENT VARIABLES
 ---------------------
+`LTTNG_UST_APP_PATH`::
+    Path under which unix sockets used for the communication between
+    the application (tracee) instrumented with `liblttng-ust` and the
+    LTTng session and consumer daemons (part of the LTTng-tools project)
+    are located. When `$LTTNG_UST_APP_PATH` is specified, only this path
+    is considered for connecting to a session daemon. The
+    `$LTTNG_UST_APP_PATH` target directory must exist and be accessible
+    by the user before the application is executed for tracing to work.
+    Setting this environment variable disables connection to root and
+    per-user session daemons.
+
 `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).
+    directory. This path is where unix sockets for communication with
+    the per-user session daemon are located.
 
 `LTTNG_UST_ALLOW_BLOCKING`::
     If set, allow the application to retry event tracing when there's
@@ -1507,6 +1517,9 @@ prevent discarding event records.
 WARNING: Setting this environment variable may significantly
 affect application timings.
 
+`LTTNG_UST_ABORT_ON_CRITICAL`::
+    If set, abort the instrumented application on a critical error message.
+
 `LTTNG_UST_CLOCK_PLUGIN`::
     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