Test snapshot per-uid post-mortem

Test to check if we can take a snapshot after a traced application
exited when using per-uid buffers.

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/tests/regression/tools/snapshots/test_ust b/tests/regression/tools/snapshots/test_ust
index d4fe165ee153be8a95a44353fe87b985fa56a974..31e99833d4ecfc31b33642de2ef23aefed2674f9 100755 (executable)
--- a/tests/regression/tools/snapshots/test_ust
+++ b/tests/regression/tools/snapshots/test_ust
@@ -31,7 +31,7 @@ NR_USEC_WAIT=100
 
 TRACE_PATH=$(mktemp -d)
 
-NUM_TESTS=2029
+NUM_TESTS=2039
 
 source $TESTDIR/utils/utils.sh
 
@@ -102,6 +102,33 @@ function test_ust_per_uid_local_snapshot ()
        kill $PID_APP >/dev/null 2>&1
 }
 
+function test_ust_per_uid_local_snapshot_post_mortem ()
+{
+       diag "Test local UST snapshots post-mortem"
+       create_lttng_session_no_output $SESSION_NAME
+       enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
+       enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
+       start_lttng_tracing $SESSION_NAME
+       lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
+       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
+       ok $? "Start application to trace"
+       diag "Killing $TESTAPP_NAME"
+       PID_APP=`pidof $TESTAPP_NAME`
+       kill $PID_APP >/dev/null 2>&1
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+
+       # Validate test
+       validate_trace $EVENT_NAME $TRACE_PATH/
+       if [ $? -eq 0 ]; then
+               # Only delete if successful
+               rm -rf $TRACE_PATH
+       else
+               break
+       fi
+}
+
 function test_ust_1000_local_snapshots ()
 {
        NB_SNAP=1000
@@ -145,7 +172,10 @@ fi
 
 start_lttng_sessiond
 
-tests=( test_ust_local_snapshot test_ust_per_uid_local_snapshot test_ust_1000_local_snapshots )
+tests=( test_ust_local_snapshot \
+       test_ust_per_uid_local_snapshot \
+       test_ust_per_uid_local_snapshot_post_mortem \
+       test_ust_1000_local_snapshots )
 
 for fct_test in ${tests[@]};
 do