--- /dev/null
+#!/bin/bash
+#
+# Copyright (C) - 2012 Christian Babeux <christian.babeux@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="Streaming - High throughput with bandwith limits"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../..
+NR_APP_ITER=10
+NR_ITER=1000000
+BIN_NAME="gen-ust-events"
+SESSION_NAME="high-throughput"
+EVENT_NAME="tp:tptest"
+SESSIOND_CTRL_PORT=5342
+SESSIOND_DATA_PORT=5343
+DEFAULT_IF="lo"
+
+TRACE_PATH=$(mktemp -d)
+
+source $TESTDIR/utils.sh
+
+print_test_banner "$TEST_DESC"
+
+if [ ! -x "$CURDIR/$BIN_NAME" ]; then
+ echo -e "No UST nevents binary detected. Passing."
+ exit 0
+fi
+
+if [ "$(id -u)" != "0" ]; then
+ echo "This test must be running as root to set bandwith limits. Aborting"
+ # Exit status 0 so the tests can continue
+ exit 0
+fi
+
+function set_bw_limit
+{
+ limit=$1
+ echo -n "Setting bandwith limits to ${limit}kbits... "
+ tc qdisc add dev $DEFAULT_IF root handle 1: htb default 15 >/dev/null 2>&1
+ tc class add dev $DEFAULT_IF parent 1: classid 1:1 htb rate ${limit}kbit ceil ${limit}kbit >/dev/null 2>&1
+
+ # FIXME: Timeout when setting limits on ctrl port.
+ #tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_CTRL_PORT 0xffff flowid 1:1 >/dev/null 2>&1
+
+ tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_DATA_PORT 0xffff flowid 1:1 >/dev/null 2>&1
+ print_ok
+}
+
+function reset_bw_limit
+{
+ echo -n "Resetting bandwith limits... "
+ tc qdisc del dev $DEFAULT_IF root >/dev/null 2>&1
+ print_ok
+}
+
+function create_lttng_session_with_uri
+{
+ sess_name=$1
+ uri=$2
+ # Create session with custom URI
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN create -U $uri $sess_name >/dev/null 2>&1
+}
+
+function enable_lttng_consumer
+{
+ uri=$1
+ # Create session with custom URI
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-consumer -u $uri >/dev/null 2>&1
+}
+
+function run_apps
+{
+ for i in `seq 1 $NR_APP_ITER`; do
+ ./$CURDIR/$BIN_NAME $NR_ITER & >/dev/null 2>&1
+ done
+}
+
+function wait_apps
+{
+ echo "Waiting for applications to end"
+ while [ -n "$(pidof $BIN_NAME)" ]; do
+ echo -n "."
+ sleep 1
+ done
+ echo ""
+}
+
+function test_high_throughput
+{
+ NETWORK_URI="net://localhost"
+ create_lttng_session_with_uri $SESSION_NAME $NETWORK_URI
+ enable_lttng_consumer $NETWORK_URI
+ enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing $SESSION_NAME
+ run_apps
+ wait_apps
+
+ # FIXME: Should not be necessary...
+ #echo "Sleeping..."
+ #sleep 180
+
+ stop_lttng_tracing $SESSION_NAME
+ destroy_lttng_session $SESSION_NAME
+ validate_event_count
+}
+
+function validate_event_count
+{
+
+ TEMP_FILE=$(mktemp)
+ TEMP_FILE_2=$(mktemp)
+
+ traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
+ babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
+
+ cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
+
+ dropped=0
+ while read line;
+ do
+ let dropped=$dropped+$line
+ done < $TEMP_FILE
+
+ let total=$dropped+$traced
+ let wanted=$NR_APP_ITER*$NR_ITER
+
+ rm -rf $TRACE_PATH
+ rm $TEMP_FILE $TEMP_FILE_2
+
+ if [ $wanted -ne $total ]; then
+ echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
+ print_fail
+ return 1
+ else
+ echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... "
+ print_ok
+ return 0
+ fi
+}
+
+function interrupt_cleanup()
+{
+ echo -en "\n*** Exiting ***\n"
+ stop_lttng_relayd
+ stop_lttng_sessiond
+ reset_bw_limit
+ exit 1
+}
+
+# Catch sigint and try to cleanup limits
+trap interrupt_cleanup SIGINT
+
+BW_LIMITS=(3200 1600 800 400 200 100 50 25)
+for BW in ${BW_LIMITS[@]};
+do
+ echo ""
+ echo -e "=== Testing high-throughput with bandwith limit set to ${BW}kbits"
+ set_bw_limit $BW
+
+ start_lttng_sessiond
+ start_lttng_relayd "-o $TRACE_PATH"
+ test_high_throughput
+ result=$?
+ stop_lttng_relayd
+ stop_lttng_sessiond
+ reset_bw_limit
+
+ if [ $result -ne 0 ]; then
+ exit 1
+ fi
+done
projects / lttng-tools.git / blobdiff