From: Philippe Proulx Date: Thu, 7 Apr 2016 01:29:22 +0000 (-0400) Subject: doc/man: lttng-ust(3): add tracing control to example X-Git-Tag: v2.9.0-rc1~143 X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=00665d8e072bc581e5a3e93b395bd6e19a4c2fcd;p=lttng-ust.git doc/man: lttng-ust(3): add tracing control to example Signed-off-by: Philippe Proulx Signed-off-by: Mathieu Desnoyers --- diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt index dda9cec6..1f4d7e48 100644 --- a/doc/man/lttng-ust.3.txt +++ b/doc/man/lttng-ust.3.txt @@ -843,6 +843,39 @@ cc -c app.c cc -o app tp.o app.o -llttng-ust -ldl ------------------------------------- +Using the man:lttng(1) tool, create an LTTng tracing session, enable +all the events of this tracepoint provider, and start tracing: + +[role="term"] +---------------------------------------------- +lttng create my-session +lttng enable-event --userspace 'my_provider:*' +lttng start +---------------------------------------------- + +You may also enable specific events: + +[role="term"] +---------------------------------------------------------- +lttng enable-event --userspace my_provider:big_event +lttng enable-event --userspace my_provider:event_instance2 +---------------------------------------------------------- + +Run the application: + +[role="term"] +-------------------- +./app some arguments +-------------------- + +Stop the current tracing session and inspect the recorded events: + +[role="term"] +---------- +lttng stop +lttng view +---------- + Tracepoint provider header file ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~