X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=tests%2Fregression%2Fkernel%2Ftest_event_basic;h=9f22d7db83984d47f7452aeea9a2de0bb5d75871;hb=8d5a3312b34841f1ecba2605acad3eaca79fd5e4;hp=4de94dc670fe07a6b338fa40f9db5f9bf5e5801a;hpb=c87d483bfee92c86b7a34c1258a835d6eda042e2;p=lttng-tools.git

diff --git a/tests/regression/kernel/test_event_basic b/tests/regression/kernel/test_event_basic
index 4de94dc67..9f22d7db8 100755
--- a/tests/regression/kernel/test_event_basic
+++ b/tests/regression/kernel/test_event_basic
@@ -1,49 +1,69 @@
 #!/bin/bash
 #
-# Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
+# Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License, version 2 only, as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 51
-# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 TEST_DESC="Kernel tracer - Basic event"
 
 CURDIR=$(dirname $0)/
 TESTDIR=$CURDIR/../..
-NUM_TESTS=12
+NUM_TESTS=21
 
-source $TESTDIR/utils/utils.sh
+TESTCMD="/bin/true"
 
-print_test_banner "$TEST_DESC"
+source $TESTDIR/utils/utils.sh
 
 function test_event_basic()
 {
-	TRACE_PATH=$(mktemp -d)
+	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
 	SESSION_NAME="kernel_event_basic"
 
-	create_lttng_session $SESSION_NAME $TRACE_PATH
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+
+	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_fork"
+
+	start_lttng_tracing_ok
+
+	# Running a process and waiting for its completion forces the triggering of
+	# fork, sched_switch and exit events
+	eval ${TESTCMD}
+	stop_lttng_tracing_ok
+
+	validate_trace_path_kernel "$TRACE_PATH" ""
+	validate_trace "sched_switch" $TRACE_PATH
+	validate_trace "sched_process_exit" $TRACE_PATH
+	validate_trace "sched_process_fork" $TRACE_PATH
+
+	destroy_lttng_session_ok $SESSION_NAME
+
+	rm -rf $TRACE_PATH
+}
+
+function test_enable_after_start()
+{
+	TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
+	SESSION_NAME="kernel_enable_after_start"
+
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
 	lttng_enable_kernel_event $SESSION_NAME "sched_switch"
+
+	start_lttng_tracing_ok
 	lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
-	lttng_enable_kernel_event $SESSION_NAME "sched_process_free"
 
-	start_lttng_tracing
-	stop_lttng_tracing
+	# 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
 	validate_trace "sched_process_exit" $TRACE_PATH
-	validate_trace "sched_process_free" $TRACE_PATH
 
-	destroy_lttng_session $SESSION_NAME
+	destroy_lttng_session_ok $SESSION_NAME
 
 	rm -rf $TRACE_PATH
 }
@@ -51,6 +71,8 @@ function test_event_basic()
 # MUST set TESTDIR before calling those functions
 plan_tests $NUM_TESTS
 
+print_test_banner "$TEST_DESC"
+
 if [ "$(id -u)" == "0" ]; then
 	isroot=1
 else
@@ -59,9 +81,11 @@ fi
 
 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
 {
+	validate_lttng_modules_present
 	start_lttng_sessiond
 
 	test_event_basic
+	test_enable_after_start
 
 	stop_lttng_sessiond
 }