X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=doc%2Fman%2Flttng-ust.3.txt;h=df2b6fb4094443275d3c38fd373ac293bc951339;hb=d037c38da67d7955ab65d994a6d718697a1e7182;hp=27c1fd6bd656cfd1f7e704810bc58aaf6221d971;hpb=a1d76e9d65d8cad94a1948e9a5f3cd4eba2bef9f;p=lttng-ust.git diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt index 27c1fd6b..df2b6fb4 100644 --- a/doc/man/lttng-ust.3.txt +++ b/doc/man/lttng-ust.3.txt @@ -1089,8 +1089,8 @@ int main(int argc, char* argv[]) ENVIRONMENT VARIABLES --------------------- `LTTNG_HOME`:: - Overrides the `$HOME` environment variable. Useful when the user - running the instrumented application has a non-writable home + Alternative user's home directory. This variable is useful when the + user running the instrumented application has a non-writable home directory. + Unix sockets used for the communication between `liblttng-ust` and the @@ -1098,35 +1098,35 @@ LTTng session and consumer daemons (part of the LTTng-tools project) are located in a specific directory under `$LTTNG_HOME` (or `$HOME` if `$LTTNG_HOME` is not set). +`LTTNG_UST_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 + documentation under + https://github.com/lttng/lttng-ust/tree/master/doc/examples/clock-override[`examples/clock-override`]. + `LTTNG_UST_DEBUG`:: - Activate `liblttng-ust` debug and error output. + Activates `liblttng-ust`'s debug and error output if set to `1`. + +`LTTNG_UST_GETCPU_PLUGIN`:: + 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`]. `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 <> section above). - -`LTTNG_UST_GETCPU_PLUGIN`:: - 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`]. - -`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 - documentation under - https://github.com/lttng/lttng-ust/tree/master/doc/examples/clock-override[`examples/clock-override`]. + Prevents `liblttng-ust` from performing a base address state dump + (see the <> section above) if + set to `1`. include::common-footer.txt[]