#!/bin/bash
#
-# Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
+# Copyright (C) 2015 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="Streaming - 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 tmp.test_regen_metadata_kernel_trace_path.XXXXXX)
-NUM_TESTS=18
+NUM_TESTS=24
source $TESTDIR/utils/utils.sh
function test_kernel_streaming ()
{
+ local metadata_path
+
diag "Test kernel streaming with metadata regeneration"
create_lttng_session_uri $SESSION_NAME net://localhost
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
echo -n "100" > /proc/lttng-test-filter-event
+
+ # Baseline
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
+
+ # Find the metadata file
+ metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* -name "metadata")
+
+ # Empty the metadata file
+ echo -n > "$metadata_path"
+
+ start_lttng_tracing_ok $SESSION_NAME
regenerate_metadata_ok $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
# Validate test
validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
destroy_lttng_session_ok $SESSION_NAME
+ rm -rf "$TRACE_PATH"
}
function test_kernel_local ()
{
+ local metadata_path
+
diag "Test kernel local with metadata regeneration"
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
+
+ # Baseline
echo -n "100" > /proc/lttng-test-filter-event
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace $EVENT_NAME "$TRACE_PATH"
+
+ # Find the metadata file
+ metadata_path=$(find "$TRACE_PATH"* -name "metadata")
+
+ # Empty the metadata file
+ echo -n > "$metadata_path"
+
+ start_lttng_tracing_ok $SESSION_NAME
regenerate_metadata_ok $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
+
validate_trace $EVENT_NAME $TRACE_PATH
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- fi
destroy_lttng_session_ok $SESSION_NAME
+
+ rm -rf "$TRACE_PATH"
}
plan_tests $NUM_TESTS
${fct_test}
done
- rmmod lttng-test
+ modprobe --remove lttng-test
stop_lttng_sessiond
stop_lttng_relayd
}