Test UST snapshot with large metadata

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 31e99833d4ecfc31b33642de2ef23aefed2674f9..3760c6053b44ef5d73c8dd7cd1efb57c1ada29e8 100755 (executable)
--- a/tests/regression/tools/snapshots/test_ust
+++ b/tests/regression/tools/snapshots/test_ust
@@ -19,7 +19,6 @@ TEST_DESC="Snapshots - UST tracing"
 CURDIR=$(dirname $0)/
 TESTDIR=$CURDIR/../../..
 EVENT_NAME="tp:tptest"
-BIN_NAME="gen-nevents"
 PID_RELAYD=0
 SESSION_NAME=""
 CHANNEL_NAME="snapchan"
@@ -31,7 +30,7 @@ NR_USEC_WAIT=100
 
 TRACE_PATH=$(mktemp -d)
 
-NUM_TESTS=2039
+NUM_TESTS=2053
 
 source $TESTDIR/utils/utils.sh
 
@@ -66,6 +65,35 @@ function test_ust_local_snapshot ()
        kill $PID_APP >/dev/null 2>&1
 }
 
+function test_ust_local_snapshot_large_metadata ()
+{
+       LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
+       LM_PATH="$TESTDIR/utils/testapp"
+       LM_NAME="gen-ust-nevents"
+       LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
+
+       diag "Test local UST snapshots with > 4kB metadata"
+       create_lttng_session_no_output $SESSION_NAME
+       enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
+       enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
+       start_lttng_tracing $SESSION_NAME
+       lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
+       $LM_BIN 1 1
+       ok $? "Start application to trace"
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+
+       # Validate test
+       validate_trace $LM_EVENT $TRACE_PATH/
+       if [ $? -eq 0 ]; then
+               # Only delete if successful
+               rm -rf $TRACE_PATH
+       else
+               break
+       fi
+}
+
 function enable_channel_per_uid_mmap_overwrite()
 {
        sess_name=$1
@@ -175,6 +203,7 @@ start_lttng_sessiond
 tests=( test_ust_local_snapshot \
        test_ust_per_uid_local_snapshot \
        test_ust_per_uid_local_snapshot_post_mortem \
+       test_ust_local_snapshot_large_metadata \
        test_ust_1000_local_snapshots )
 
 for fct_test in ${tests[@]};