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

[Francis Deslauriers]

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