[lttng-tools,v3] Fix: test cases now rely on explicit workloads

Run a process explicitly in the tracing session to generate the enabled events
rather than relying on the events generated by the lttng CLI.
---
 tests/regression/kernel/test_all_events  |  6 ++++++
 tests/regression/kernel/test_event_basic | 14 ++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

Merged, and I added your "Signed-off by" which was missing from this
version of the patch.

Thanks!
Jérémie

On 10 November 2016 at 15:26, Francis Deslauriers
<francis.deslauriers at efficios.com> wrote:
> Run a process explicitly in the tracing session to generate the enabled events
> rather than relying on the events generated by the lttng CLI.
> ---
>  tests/regression/kernel/test_all_events  |  6 ++++++
>  tests/regression/kernel/test_event_basic | 14 ++++++++++++--
>  2 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/tests/regression/kernel/test_all_events b/tests/regression/kernel/test_all_events
> index 50002f4..713c717 100755
> --- a/tests/regression/kernel/test_all_events
> +++ b/tests/regression/kernel/test_all_events
> @@ -21,6 +21,8 @@ CURDIR=$(dirname $0)/
>  TESTDIR=$CURDIR/../..
>  NUM_TESTS=8
>
> +TESTCMD="/bin/true"
> +
>  source $TESTDIR/utils/utils.sh
>
>  function test_all_event()
> @@ -33,6 +35,10 @@ function test_all_event()
>         lttng_enable_kernel_event $SESSION_NAME
>
>         start_lttng_tracing_ok
> +
> +       # Running a process and waiting for its completion forces the triggering of a
> +       # sched_switch event
> +       eval ${TESTCMD}
>         stop_lttng_tracing_ok
>
>         validate_trace "sched_switch" $TRACE_PATH
> diff --git a/tests/regression/kernel/test_event_basic b/tests/regression/kernel/test_event_basic
> index aeca02b..1a10a2c 100755
> --- a/tests/regression/kernel/test_event_basic
> +++ b/tests/regression/kernel/test_event_basic
> @@ -21,6 +21,8 @@ CURDIR=$(dirname $0)/
>  TESTDIR=$CURDIR/../..
>  NUM_TESTS=20
>
> +TESTCMD="/bin/true"
> +
>  source $TESTDIR/utils/utils.sh
>
>  function test_event_basic()
> @@ -32,14 +34,18 @@ function test_event_basic()
>
>         lttng_enable_kernel_event $SESSION_NAME "sched_switch"
>         lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
> -       lttng_enable_kernel_event $SESSION_NAME "sched_process_free"
> +       lttng_enable_kernel_event $SESSION_NAME "sched_process_fork"
>
>         start_lttng_tracing_ok
> +
> +       # Running a process and waiting for its completion forces the triggering of
> +       # fork, sched_switch and exit events
> +       eval ${TESTCMD}
>         stop_lttng_tracing_ok
>
>         validate_trace "sched_switch" $TRACE_PATH
>         validate_trace "sched_process_exit" $TRACE_PATH
> -       validate_trace "sched_process_free" $TRACE_PATH
> +       validate_trace "sched_process_fork" $TRACE_PATH
>
>         destroy_lttng_session_ok $SESSION_NAME
>
> @@ -57,6 +63,10 @@ function test_enable_after_start()
>
>         start_lttng_tracing_ok
>         lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
> +
> +       # Running a process and waiting for its completion forces the triggering of
> +       # sched_switch and exit events
> +       eval ${TESTCMD}
>         stop_lttng_tracing_ok
>
>         validate_trace "sched_switch" $TRACE_PATH
> --
> 2.7.4
>