+#!/bin/bash
+#
+# Copyright (C) - 2013 Christian Babeux <christian.babeux@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="Tracefile count limits"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+
+STATS_BIN="$TESTDIR/utils/babelstats.pl"
+NUM_TESTS=146
+
+source $TESTDIR/utils/utils.sh
+
+if [ ! -x "$TESTAPP_BIN" ]; then
+ BAIL_OUT "No UST events binary detected."
+fi
+
+function wait_apps
+{
+ while [ -n "$(pidof $TESTAPP_NAME)" ]; do
+ sleep 0.5
+ done
+ pass "Wait for applications to end"
+}
+
+function enable_lttng_channel_count_limit ()
+{
+ sess_name="$1"
+ channel_name="$2"
+ tracefile_count_limit="$3"
+
+ test_name="Enable channel $channel_name "
+ test_name+="for session $sess_name: "
+ test_name+="$tracefile_count_limit tracefiles"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \
+ -u $channel_name -s $sess_name \
+ -C 4096 -W $tracefile_count_limit \
+ --overwrite >/dev/null 2>&1
+
+ ok $? "$test_name"
+}
+
+function enable_ust_lttng_event_per_channel ()
+{
+ sess_name="$1"
+ event_name="$2"
+ channel_name="$3"
+
+ test_name="Enable event $event_name "
+ test_name+="for session $sess_name "
+ test_name+="in channel $channel_name"
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \
+ -s $sess_name -u -c $channel_name >/dev/null 2>&1
+
+ ok $? "$test_name"
+}
+
+function validate_min_max
+{
+ stats="$1"
+ field="$2"
+ expected_min="$3"
+ expected_max="$4"
+
+ echo $stats | grep -q -E "$field $expected_min $expected_max"
+ return $?
+}
+
+function validate_file_count
+{
+ path="$1"
+ file_pattern="$2"
+ expected_max_count="$3"
+
+ count=`find $path -name "$file_pattern" -type f | wc -l`
+
+ if [ "$count" -gt "$expected_max_count" ]; then
+ fail "Validate file count: $file_pattern"
+ diag "File count: $count expected: $expected_max_count"
+ else
+ pass "Validate file count: $file_pattern"
+ fi
+}
+
+function test_tracefile_count_limit ()
+{
+ count_limit="$1"
+ trace_path=$(mktemp -d)
+ session_name=$(randstring 16 0)
+ channel_name="channel"
+ event_name="tp:tptest"
+ num_iter=1000
+ expected_max=$(($num_iter - 1))
+
+ diag "Test tracefile count limit : $count_limit tracefiles"
+
+ create_lttng_session $session_name $trace_path
+
+ enable_lttng_channel_count_limit \
+ $session_name $channel_name $count_limit
+
+ enable_ust_lttng_event_per_channel \
+ $session_name $event_name $channel_name
+
+ start_lttng_tracing $session_name
+
+ $TESTAPP_BIN $num_iter >/dev/null 2>&1 &
+
+ wait_apps
+
+ stop_lttng_tracing $session_name
+
+ destroy_lttng_session $session_name
+
+ # Validate tracing dir
+
+ num_cpu=`nproc`
+
+ for cpuno in $(seq 0 $(($num_cpu - 1)))
+ do
+ validate_file_count \
+ $trace_path "${channel_name}_${cpuno}_*" $count_limit
+ done
+
+ # Validate tracing data
+
+ stats=`babeltrace $trace_path | $STATS_BIN --tracepoint $event_name`
+
+ validate_min_max "$stats" "intfield" "[0-9]+" "$expected_max"
+ ok $? "Trace validation - intfield"
+
+ validate_min_max "$stats" "netintfield" "[0-9]+" "$expected_max"
+ ok $? "Trace validation - netintfield"
+
+ validate_min_max "$stats" "longfield" "[0-9]+" "$expected_max"
+ ok $? "Trace validation - longfield"
+
+ rm -rf $trace_path
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+start_lttng_sessiond
+
+LIMITS=("1" "2" "4" "8" "10" "16" "32" "64")
+
+for limit in ${LIMITS[@]};
+do
+ test_tracefile_count_limit $limit
+done
+
+stop_lttng_sessiond
projects / lttng-tools.git / commitdiff
