[lttng-dev] [PATCH lttng-tools] Fix: test code assumes that child process is schedule to run before parent

Anders Wallin wallinux at gmail.com
Thu Apr 1 12:37:10 EDT 2021


the following tests fails
- test_event_vpid_tracker ust 0 "${EVENT_NAME}"
- test_event_vpid_track_untrack ust 0 "${EVENT_NAME}"
- test_event_pid_tracker ust 0 "${EVENT_NAME}"
- test_event_pid_track_untrack ust 0 "${EVENT_NAME}"

Signed-off-by: Anders Wallin <wallinux at gmail.com>
---
 tests/regression/tools/tracker/test_event_tracker | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/tests/regression/tools/tracker/test_event_tracker b/tests/regression/tools/tracker/test_event_tracker
index 711690af..78e9310b 100755
--- a/tests/regression/tools/tracker/test_event_tracker
+++ b/tests/regression/tools/tracker/test_event_tracker
@@ -5,7 +5,7 @@
 #
 # SPDX-License-Identifier: GPL-2.0-only
 
-TEST_DESC="LTTng - Event traker test"
+TEST_DESC="LTTng - Event tracker test"
 
 CURDIR=$(dirname "$0")/
 TESTDIR="$CURDIR/../../.."
@@ -30,27 +30,24 @@ SCRIPT_GROUPNAME="$(id -gn)"
 
 CHILD_PID=-1
 WAIT_PATH=
-AFTER_FIRST_PATH=
-BEFORE_LAST_PATH=
+BEFORE_FIRST_PATH=
 
 source $TESTDIR/utils/utils.sh
 
 function prepare_ust_app
 {
-	AFTER_FIRST_PATH=$(mktemp -u)
-	BEFORE_LAST_PATH=$(mktemp -u)
+	BEFORE_FIRST_PATH=$(mktemp -u)
 
-	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT -a "$AFTER_FIRST_PATH" -b "$BEFORE_LAST_PATH" &
+	$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-before-first-event "$BEFORE_FIRST_PATH" &
 	CHILD_PID=$!
 }
 
 function trace_ust_app
 {
-	touch "$BEFORE_LAST_PATH"
+	touch "$BEFORE_FIRST_PATH"
 	wait
 	ok $? "Traced application stopped."
-	rm "$BEFORE_LAST_PATH"
-	rm "$AFTER_FIRST_PATH"
+	rm "$BEFORE_FIRST_PATH"
 }
 
 function prepare_kernel_app
-- 
2.31.1



More information about the lttng-dev mailing list