+#!/bin/bash
+#
+# Copyright (C) - 2012 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
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../..
+BIN_NAME="gen-events"
+SESSION_NAME="low-throughput"
+EVENT_NAME="tp:slow"
+
+source $TESTDIR/utils.sh
+
+echo -e "\n-------------------------------------------"
+echo -e "UST tracer - Testing low events throughput"
+echo -e "-------------------------------------------"
+
+if [ ! -e "$CURDIR/$BIN_NAME" ]; then
+ echo -e "No UST nevents binary detected. Passing."
+ exit 0
+fi
+
+TRACE_PATH=$(mktemp -d)
+
+# MUST set TESTDIR before calling those functions
+
+start_sessiond
+
+create_lttng_session $SESSION_NAME $TRACE_PATH
+
+enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+start_tracing $SESSION_NAME
+
+# This is going to take 20 minutes
+./$CURDIR/$BIN_NAME >/dev/null 2>&1
+
+stop_tracing $SESSION_NAME
+destroy_lttng_session $SESSION_NAME
+
+stop_sessiond
+
+# Validate test
+
+last_val=0
+out=0
+
+babeltrace $TRACE_PATH | while read event;
+do
+ val=$(echo $event | cut -f10 -d" ")
+ val=${val%?}
+ th=$(echo $event | cut -f13 -d " ")
+
+ if [ $th = '"one"' ]; then
+ ((last_val++))
+ # We expect here a continous value from 1 to 20
+ if [ $last_val -ne $val ]; then
+ echo -n "[-] One minute event failed ($val) "
+ out=1
+ break
+ fi
+ elif [ $th = '"ten"' ]; then
+ # Test 10 minutes counter
+ if [ $val -ne 10 ]; then
+ # Test 20 minutes counter
+ if [ $val -ne 20 ]; then
+ echo -n "[-] Ten minutes event failed ($val) "
+ out=1
+ break
+ fi
+ fi
+ elif [ $th = '"twenty"' ]; then
+ # Test 20 minutes counter
+ if [ $val -ne 20 ]; then
+ echo -n "[-] Twenty minutes event failed ($val) "
+ out=1
+ break
+ fi
+ fi
+done
+
+if [ $out -eq 0 ]; then
+ echo -n "Trace is coherent... "
+ echo -e "\e[1;32mOK\e[0m"
+else
+ echo -e "\e[1;31mFAILED\e[0m"
+fi
+
+rm -rf $TRACE_PATH
+
+exit $out