#!/bin/bash
#
-# Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
+# 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
+# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Tracefile size limits"
NR_ITER=1000
+PAGE_SIZE=$(getconf PAGE_SIZE)
+
TESTAPP_PATH="$TESTDIR/utils/testapp"
TESTAPP_NAME="gen-ust-events"
TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
-NUM_TESTS=42
+NUM_TESTS=66
source $TESTDIR/utils/utils.sh
$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \
-u $channel_name -s $sess_name --buffers-pid \
+ --subbuf-size=$PAGE_SIZE \
-C $tracefile_size_limit >/dev/null 2>&1
ok $? "$test_name"
start_lttng_tracing_ok $session_name
- $TESTAPP_BIN $NR_ITER >/dev/null 2>&1
+ $TESTAPP_BIN -i $NR_ITER >/dev/null 2>&1
- stop_lttng_tracing $session_name
+ stop_lttng_tracing_ok $session_name
- destroy_lttng_session $session_name
+ destroy_lttng_session_ok $session_name
# Validate file size, each one shall be no larger than the
# specified size limit
rm -rf $trace_path
}
+function test_tracefile_size_limit_pagesize ()
+{
+ # Set a size limit lower than the page_size
+ size_limit="$(($PAGE_SIZE-2))"
+ trace_path=$(mktemp -d)
+ session_name=$(randstring 16 0)
+ channel_name="channel"
+ event_name="tp:tptest"
+
+ diag "Test tracefile size limit lower than PAGE_SIZE : $size_limit bytes"
+
+ create_lttng_session_ok $session_name $trace_path
+
+ enable_lttng_channel_size_limit \
+ $session_name $channel_name $size_limit
+
+ enable_ust_lttng_event_per_channel \
+ $session_name $event_name $channel_name
+
+ start_lttng_tracing_ok $session_name
+
+ $TESTAPP_BIN -i $NR_ITER >/dev/null 2>&1
+
+ stop_lttng_tracing_ok $session_name
+
+ destroy_lttng_session_ok $session_name
+
+ # Validate file size, expect file size to be equal to the page size
+
+ check_file_size $trace_path "${channel_name}_*" $PAGE_SIZE
+
+ # Validate tracing data, we should at least have some events
+
+ validate_trace $event_name $trace_path
+
+ rm -rf $trace_path
+}
+
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
start_lttng_sessiond
-LIMITS=("4096" "8192" "16384" "32768" "65536")
+# Test with multiples of PAGE_SIZE
+LIMITS=("$(($PAGE_SIZE))"
+ "$(($PAGE_SIZE*2))"
+ "$(($PAGE_SIZE*4))"
+ "$(($PAGE_SIZE*8))"
+ "$(($PAGE_SIZE*16))"
+ "$(($PAGE_SIZE*32))")
for limit in ${LIMITS[@]};
do
test_tracefile_size_limit $limit
done
+# Test with a value that is not a multiple of PAGE_SIZE
+test_tracefile_size_limit "$(($PAGE_SIZE+1024))"
+
+# Test that a value lower than the PAGE_SIZE is rounded to it
+test_tracefile_size_limit_pagesize
+
stop_lttng_sessiond