X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Frotation%2Ftest_kernel;h=62bc5c33d7fda975b4a6294b4ade05d395e398c9;hb=34764ec838debdb5fdb59e178b31a44047ea7229;hp=3ef3b7dfd298e85dd8d42f2e0c9d66d77481f76b;hpb=9dc506ae3b7d654f25b8bdf905bc4ddfbe6c33dc;p=lttng-tools.git

diff --git a/tests/regression/tools/rotation/test_kernel b/tests/regression/tools/rotation/test_kernel
index 3ef3b7dfd..62bc5c33d 100755
--- a/tests/regression/tools/rotation/test_kernel
+++ b/tests/regression/tools/rotation/test_kernel
@@ -1,48 +1,22 @@
 #!/bin/bash
 #
-# Copyright (C) - 2017 Julien Desfossez <jdesfossez@efficios.com>
+# Copyright (C) 2017 Julien Desfossez <jdesfossez@efficios.com>
 #
-# This library is free software; you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation; version 2.1 of the License.
-#
-# This library 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+# SPDX-License-Identifier: LGPL-2.1-only
+
 TEST_DESC="Rotation - Kernel tracing"
 
 CURDIR=$(dirname $0)/
 TESTDIR=$CURDIR/../../..
 EVENT_NAME="lttng_test_filter_event"
-PID_RELAYD=0
-SESSION_NAME=""
 
-TRACE_PATH=$(mktemp -d)
+TRACE_PATH=$(mktemp --tmpdir -d -t tmp.rotation_kernel_tracing.XXXXXX)
 
-NUM_TESTS=68
+NUM_TESTS=66
 
 source $TESTDIR/utils/utils.sh
 source $CURDIR/rotate_utils.sh
 
-# LTTng kernel modules check
-out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
-if [ -z "$out" ]; then
-	BAIL_OUT "LTTng modules not detected."
-fi
-
-function lttng_create_session_uri
-{
-	# Create session with default path
-	$TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
-
-	ok $? "Create session $SESSION_NAME"
-}
-
 function rotate_kernel_test ()
 {
 	local_path=$1
@@ -64,23 +38,14 @@ function rotate_kernel_test ()
 
 	destroy_lttng_session_ok $SESSION_NAME
 
-	# The tests on the chunk folder rely on the date staying the same during
-	# the duration of the test, if this fail we will now why the other checks
-	# fail afterwards. There is a short window of time where an automated test
-	# could fail because of that.
-	now=$(date +%Y%m%d)
-	test $today = $now
-	ok $? "Date did not change during the test"
-
-	validate_test_chunks $local_path $today kernel kernel 0
+	validate_test_chunks $local_path $today kernel kernel
 }
 
 function test_kernel_streaming ()
 {
 	diag "Test kernel streaming with session rotation"
-	lttng_create_session_uri
-	rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
-	clean_path $TRACE_PATH
+	create_lttng_session_uri $SESSION_NAME net://localhost
+	rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives"
 }
 
 function test_kernel_local ()
@@ -88,7 +53,7 @@ function test_kernel_local ()
 	diag "Test kernel local with session rotation"
 	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
-	rotate_kernel_test "${TRACE_PATH}"
+	rotate_kernel_test "${TRACE_PATH}/archives"
 }
 
 function test_kernel_local_timer ()
@@ -99,24 +64,47 @@ function test_kernel_local_timer ()
 	lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
 	start_lttng_tracing_ok $SESSION_NAME
 
-	rotate_timer_test "${TRACE_PATH}" 0
+	rotate_timer_test "${TRACE_PATH}/archives" 0
 }
 
 function test_kernel_streaming_timer ()
 {
 	diag "Test kernel remote with session rotation timer"
-	lttng_create_session_uri
+	create_lttng_session_uri $SESSION_NAME net://localhost
 	lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
 	lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
 	start_lttng_tracing_ok $SESSION_NAME
 
-	rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
-	clean_path $TRACE_PATH
+	rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives" 0
+}
+
+function produce_n_events ()
+{
+	local event_count=$1
+
+	echo -n $event_count > /proc/lttng-test-filter-event
+}
+
+function test_kernel_local_size ()
+{
+	diag "Rotate kernel local session every 2MiB"
+	local size_threshold=$((2 * 1024 * 1024))
+
+	diag "Test ust local with size-based session rotation per-uid"
+	create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+	enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+	lttng_enable_rotation_size_ok $SESSION_NAME $size_threshold
+	start_lttng_tracing_ok $SESSION_NAME
+
+	trace_until_n_archives produce_n_events "$TRACE_PATH" 5
+
+	destroy_lttng_session_ok $SESSION_NAME
 }
 
 plan_tests $NUM_TESTS
 
 print_test_banner "$TEST_DESC"
+bail_out_if_no_babeltrace
 
 if [ "$(id -u)" == "0" ]; then
 	isroot=1
@@ -126,19 +114,22 @@ fi
 
 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 {
+	validate_lttng_modules_present
+
 	start_lttng_relayd "-o $TRACE_PATH"
 	start_lttng_sessiond
 	modprobe lttng-test
 
-	tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
+	tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer test_kernel_local_size )
 
 	for fct_test in ${tests[@]};
 	do
 		SESSION_NAME=$(randstring 16 0)
 		${fct_test}
+		clean_path $TRACE_PATH
 	done
 
-	rmmod lttng-test
+	modprobe --remove lttng-test
 	stop_lttng_sessiond
 	stop_lttng_relayd
 }