[lttng-dev] [lttng-ust PATCH] Add execution instructions to the demo test program.

[Mathieu Desnoyers]

merged, thanks!

Mathieu

* Yannick Brosseau (yannick.brosseau at gmail.com) wrote:
> Signed-off-by: Yannick Brosseau <yannick.brosseau at gmail.com>
> ---
>  tests/demo/README |   19 +++++++++++++++++++
>  1 files changed, 19 insertions(+), 0 deletions(-)
> 
> diff --git a/tests/demo/README b/tests/demo/README
> index 73becb0..cc51b67 100644
> --- a/tests/demo/README
> +++ b/tests/demo/README
> @@ -5,3 +5,22 @@ executing the demo. Executing "demo" without the shell wrapper will not
>  provide any tracing support. This ensures the demo binary can be
>  distributed on distros without depending on having liblttng-ust.so in
>  place. Note: the "demo" program must be compiled with "-ldl".
> +
> +The simplest command to trace the demo program are:
> +lttng create
> +lttng enable-event -u -a
> +lttng start
> +./demo-trace
> +lttng destroy
> +
> +That will create a trace in your $HOME/lttng-traces directory.
> +
> +The resulting babeltrace output should look like this:
> +[554297567999315] ust_tests_demo:starting: { 1 }, { value = 123 }
> +[554297568020834] ust_tests_demo2:loop: { 1 }, { intfield = 0, intfield2 = 0x0, longfield = 0, netintfield = 0, netintfieldhex = 0x0, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 }
> +[554297568024780] ust_tests_demo2:loop: { 1 }, { intfield = 1, intfield2 = 0x1, longfield = 1, netintfield = 1, netintfieldhex = 0x1, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 }
> +[554297568027050] ust_tests_demo2:loop: { 1 }, { intfield = 2, intfield2 = 0x2, longfield = 2, netintfield = 2, netintfieldhex = 0x2, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 }
> +[554297568029014] ust_tests_demo2:loop: { 1 }, { intfield = 3, intfield2 = 0x3, longfield = 3, netintfield = 3, netintfieldhex = 0x3, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 }
> +[554297568030861] ust_tests_demo2:loop: { 1 }, { intfield = 4, intfield2 = 0x4, longfield = 4, netintfield = 4, netintfieldhex = 0x4, arrfield1 = [ [0] = 1, [1] = 2, [2] = 3 ], arrfield2 = "test", _seqfield1_length = 4, seqfield1 = [ [0] = 116, [1] = 101, [2] = 115, [3] = 116 ], _seqfield2_length = 4, seqfield2 = "test", stringfield = "test", floatfield = 2222, doublefield = 2 }
> +[554297568033138] ust_tests_demo:done: { 1 }, { value = 456 }
> +[554297568034533] ust_tests_demo3:done: { 1 }, { value = 42 }
> -- 
> 1.7.8.2
> 
> 
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-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com