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

[Anders Wallin via lttng-dev]

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 <walli...@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

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