Live unit test

[lttng-tools.git] / tests / regression / tools / live / test_lttng_kernel

diff --git a/tests/regression/tools/live/test_lttng_kernel b/tests/regression/tools/live/test_lttng_kernel
new file mode 100755 (executable)
index 0000000..f4d7d41
--- /dev/null
+++ b/tests/regression/tools/live/test_lttng_kernel
@@ -0,0 +1,85 @@
+#!/bin/bash
+#
+# Copyright (C) - 2013 Julien Desfossez <julien.desfossez@efficios.com>
+#                      David Goulet <dgoulet@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
+
+TEST_DESC="Live - Kernel space tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../../
+SESSIOND_BIN="lttng-sessiond"
+RELAYD_BIN="lttng-relayd"
+LTTNG_BIN="lttng"
+DELAY_USEC=2000000
+
+SESSION_NAME="live"
+EVENT_NAME="sched_switch"
+
+TRACE_PATH=$(mktemp -d)
+
+DIR=$(readlink -f $TESTDIR)
+
+NUM_TESTS=10
+
+source $TESTDIR/utils/utils.sh
+
+# MUST set TESTDIR before calling those functions
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+function setup_live_tracing()
+{
+       # Create session with default path
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live $DELAY_USEC \
+               -U net://localhost >/dev/null 2>&1
+       ok $? "Create session in live mode with delay $DELAY_USEC"
+
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing $SESSION_NAME
+}
+
+function clean_live_tracing()
+{
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+}
+
+# Need root access for kernel tracing.
+if [ "$(id -u)" == "0" ]; then
+       isroot=1
+else
+       isroot=0
+fi
+
+skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
+{
+       start_lttng_sessiond
+       start_lttng_relayd "-o $TRACE_PATH"
+
+       setup_live_tracing
+
+       # Just hit some events
+       sleep 2
+
+       clean_live_tracing
+
+       validate_trace $EVENT_NAME $TRACE_PATH
+       rm -rf $TRACE_PATH
+
+       stop_lttng_relayd
+       stop_lttng_sessiond
+}