#!/bin/bash
#
-# Copyright (C) - 2012 Christian Babeux <christian.babeux@efficios.com>
-# David Goulet <dgoulet@efficios.com>
+# Copyright (C) 2012 Christian Babeux <christian.babeux@efficios.com>
+# 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
+# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Streaming - High throughput with bandwidth limits"
SESSIOND_DATA_PORT=5343
DEFAULT_IF="lo"
-TRACE_PATH=$(mktemp -d)
+TRACE_PATH=$(mktemp --tmpdir -d tmp.test_streaming_high_throughput_limits_trace_path.XXXXXX)
NUM_TESTS=104
BAIL_OUT "No UST events binary detected."
fi
+function reset_bw_limit
+{
+ tc qdisc del dev $DEFAULT_IF root >/dev/null 2>&1
+ return $?
+}
+
function set_bw_limit
{
limit=$1
# parent qdisc (1:) will always limit us to the right max value
dataportlimit=$((9*${ctrlportlimit}))
+ diag "Set bandwidth limits to ${limit}kbits, ${ctrlportlimit} for control and ${dataportlimit} for data"
tc qdisc add dev $DEFAULT_IF root handle 1: htb default 15 >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
# the total bandwidth is the limit set by the user
tc class add dev $DEFAULT_IF parent 1: classid 1:1 htb rate ${limit}kbit ceil ${limit}kbit >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
# 1/10 of the bandwidth guaranteed and traffic prioritized for the control port
tc class add dev $DEFAULT_IF parent 1:1 classid 1:10 htb rate ${ctrlportlimit}kbit ceil ${limit}kbit prio 1 >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
# 9/10 of the bandwidth guaranteed and can borrow up to the total bandwidth (if unused)
tc class add dev $DEFAULT_IF parent 1:1 classid 1:11 htb rate ${dataportlimit}kbit ceil ${limit}kbit prio 2 >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
# filter to assign control traffic to the 1:10 class
tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_CTRL_PORT 0xffff flowid 1:10 >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
# filter to assign data traffic to the 1:11 class
tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_DATA_PORT 0xffff flowid 1:11 >/dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ reset_bw_limit
+ return 1
+ fi
- ok $? "Set bandwidth limits to ${limit}kbits, ${ctrlportlimit} for control and ${dataportlimit} for data"
-}
-
-function reset_bw_limit
-{
- tc qdisc del dev $DEFAULT_IF root >/dev/null 2>&1
- ok $? "Reset bandwith limits"
+ return 0
}
function create_lttng_session_with_uri
# due to very slow communication between the consumer and relayd making
# the status reply from the consumer quite slow thus delaying the
# registration done message.
- LTTNG_UST_REGISTER_TIMEOUT=-1 $TESTAPP_BIN $NR_ITER & >/dev/null 2>&1
+ LTTNG_UST_REGISTER_TIMEOUT=-1 $TESTAPP_BIN -i $NR_ITER & >/dev/null 2>&1
done
}
function validate_event_count
{
+ TEMP_FILE=$(mktemp --tmpdir tmp.streaming_high_throughput_limit_file1.XXXXXX)
+ TEMP_FILE_2=$(mktemp --tmpdir tmp.streaming_high_throughput_limit_file2.XXXXXX)
- TEMP_FILE=$(mktemp)
- TEMP_FILE_2=$(mktemp)
-
- traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l)
- babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
+ traced=$("$BABELTRACE_BIN" $TRACE_PATH 2>/dev/null | wc -l)
+ "$BABELTRACE_BIN" $TRACE_PATH >/dev/null 2>$TEMP_FILE_2
cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
function interrupt_cleanup()
{
diag "*** Exiting ***"
- stop_lttng_relayd
- stop_lttng_sessiond
reset_bw_limit
- exit 1
+ # invoke utils cleanup
+ full_cleanup
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
+bail_out_if_no_babeltrace
+
if [ "$(id -u)" == "0" ]; then
isroot=1
else
{
# Catch sigint and try to cleanup limits
- trap interrupt_cleanup SIGTERM
- trap interrupt_cleanup SIGINT
+ trap interrupt_cleanup SIGTERM SIGINT
BW_LIMITS=(3200 1600 800 400 200 100 50 25)
for BW in ${BW_LIMITS[@]};
diag "Test high-throughput with bandwidth limit set to ${BW}kbits"
set_bw_limit $BW
+ ok $? "Setting bandwidth limit"
start_lttng_sessiond
start_lttng_relayd "-o $TRACE_PATH"
stop_lttng_relayd
stop_lttng_sessiond
reset_bw_limit
+ ok $? "Reset bandwith limits"
done
}
projects / lttng-tools.git / blobdiff