| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com> |
| 4 | # Copyright (C) - 2014, 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | # |
| 6 | # This program is free software; you can redistribute it and/or modify it |
| 7 | # under the terms of the GNU General Public License, version 2 only, as |
| 8 | # published by the Free Software Foundation. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, but WITHOUT |
| 11 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | # more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License along with |
| 16 | # this program; if not, write to the Free Software Foundation, Inc., 51 |
| 17 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | |
| 19 | TEST_DESC="Kernel tracer - Rotation destroy flush" |
| 20 | |
| 21 | CURDIR=$(dirname $0)/ |
| 22 | TESTDIR=$CURDIR/../.. |
| 23 | SESSION_NAME="rotation_destroy_flush" |
| 24 | |
| 25 | NR_ITER=10 |
| 26 | NUM_TESTS=$((13*$NR_ITER)) |
| 27 | EVENT_NAME="lttng_test_filter_event" |
| 28 | CHANNEL_NAME="testchan" |
| 29 | PAGE_SIZE=$(getconf PAGE_SIZE) |
| 30 | SIZE_LIMIT=$PAGE_SIZE |
| 31 | |
| 32 | TESTCMD="echo -n 10000 > /proc/lttng-test-filter-event" |
| 33 | |
| 34 | # Ensure the daemons invoke abort on error. |
| 35 | export LTTNG_ABORT_ON_ERROR=1 |
| 36 | |
| 37 | source $TESTDIR/utils/utils.sh |
| 38 | |
| 39 | function signal_cleanup() |
| 40 | { |
| 41 | diag "*** Exiting ***" |
| 42 | modprobe -r lttng-test |
| 43 | full_cleanup |
| 44 | } |
| 45 | |
| 46 | function enable_kernel_lttng_channel_size_limit () |
| 47 | { |
| 48 | sess_name="$1" |
| 49 | channel_name="$2" |
| 50 | tracefile_size_limit="$3" |
| 51 | |
| 52 | test_name="Enable channel $channel_name " |
| 53 | test_name+="for session $sess_name: " |
| 54 | test_name+="$tracefile_size_limit bytes tracefile limit" |
| 55 | |
| 56 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \ |
| 57 | -k $channel_name -s $sess_name \ |
| 58 | -C $tracefile_size_limit >/dev/null 2>&1 |
| 59 | |
| 60 | ok $? "$test_name" |
| 61 | } |
| 62 | |
| 63 | function enable_kernel_lttng_event_per_channel () |
| 64 | { |
| 65 | sess_name="$1" |
| 66 | event_name="$2" |
| 67 | channel_name="$3" |
| 68 | |
| 69 | test_name="Enable event $event_name " |
| 70 | test_name+="for session $sess_name " |
| 71 | test_name+="in channel $channel_name" |
| 72 | |
| 73 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \ |
| 74 | -s $sess_name -k -c $channel_name >/dev/null 2>&1 |
| 75 | |
| 76 | ok $? "$test_name" |
| 77 | } |
| 78 | |
| 79 | function test_rotation_destroy_flush_single() |
| 80 | { |
| 81 | start_lttng_sessiond |
| 82 | modprobe lttng-test |
| 83 | |
| 84 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 85 | enable_kernel_lttng_channel_size_limit \ |
| 86 | $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT |
| 87 | enable_kernel_lttng_event_per_channel \ |
| 88 | $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 89 | start_lttng_tracing_ok $SESSION_NAME |
| 90 | eval ${TESTCMD} |
| 91 | # stop and destroy |
| 92 | stop_lttng_tracing_ok $SESSION_NAME |
| 93 | destroy_lttng_session_ok $SESSION_NAME |
| 94 | |
| 95 | rm -rf $TRACE_PATH |
| 96 | |
| 97 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 98 | enable_kernel_lttng_channel_size_limit \ |
| 99 | $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT |
| 100 | enable_kernel_lttng_event_per_channel \ |
| 101 | $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 102 | start_lttng_tracing_ok $SESSION_NAME |
| 103 | eval ${TESTCMD} |
| 104 | # destroy only |
| 105 | destroy_lttng_session_ok $SESSION_NAME |
| 106 | |
| 107 | rm -rf $TRACE_PATH |
| 108 | |
| 109 | modprobe -r lttng-test |
| 110 | stop_lttng_sessiond |
| 111 | } |
| 112 | |
| 113 | function test_rotation_destroy_flush() |
| 114 | { |
| 115 | for a in $(seq 1 ${NR_ITER}); do |
| 116 | diag "Iteration ${a}/${NR_ITER}" |
| 117 | test_rotation_destroy_flush_single |
| 118 | done |
| 119 | } |
| 120 | |
| 121 | # MUST set TESTDIR before calling those functions |
| 122 | plan_tests $NUM_TESTS |
| 123 | |
| 124 | print_test_banner "$TEST_DESC" |
| 125 | |
| 126 | TESTS=( |
| 127 | "test_rotation_destroy_flush" |
| 128 | ) |
| 129 | |
| 130 | TEST_COUNT=${#TESTS[@]} |
| 131 | i=0 |
| 132 | |
| 133 | if [ "$(id -u)" == "0" ]; then |
| 134 | isroot=1 |
| 135 | else |
| 136 | isroot=0 |
| 137 | fi |
| 138 | |
| 139 | skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || |
| 140 | { |
| 141 | trap signal_cleanup SIGTERM SIGINT |
| 142 | |
| 143 | while [ "$i" -lt "$TEST_COUNT" ]; do |
| 144 | |
| 145 | TRACE_PATH=$(mktemp -d) |
| 146 | |
| 147 | # Execute test |
| 148 | ${TESTS[$i]} |
| 149 | |
| 150 | let "i++" |
| 151 | done |
| 152 | } |