| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="UST - Dynamic loading and unloading of libraries" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | SESSION_NAME="multi_lib" |
| 12 | |
| 13 | EXEC_NAME_WITH_CALLSITES=./$CURDIR/exec-with-callsites |
| 14 | EXEC_NAME_WITHOUT_CALLSITES=./$CURDIR/exec-without-callsites |
| 15 | SO_DIR=$CURDIR/.libs/ |
| 16 | SO_PROBES_A=$SO_DIR/libprobes_a.so |
| 17 | SO_PROBES_A_PRIME=$SO_DIR/libprobes_a_prime.so |
| 18 | SO_PROBES_B=$SO_DIR/libprobes_b.so |
| 19 | SO_PROBES_C=$SO_DIR/libprobes_c.so |
| 20 | SO_PROBES_C_PRIME=$SO_DIR/libprobes_c_prime.so |
| 21 | SO_PROBES_D=$SO_DIR/libprobes_d.so |
| 22 | SO_CALLSITE_1=$SO_DIR/libcallsites_1.so |
| 23 | SO_CALLSITE_2=$SO_DIR/libcallsites_2.so |
| 24 | |
| 25 | NUM_TESTS=55 |
| 26 | |
| 27 | source $TESTDIR/utils/utils.sh |
| 28 | |
| 29 | test_dlopen_same_provider_name_same_event() |
| 30 | { |
| 31 | local event_name="multi:tp" |
| 32 | diag "dlopen 2 providers, same event name, same payload" |
| 33 | |
| 34 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 35 | |
| 36 | start_lttng_tracing_ok $SESSION_NAME |
| 37 | |
| 38 | $EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_A $SO_PROBES_A_PRIME |
| 39 | |
| 40 | stop_lttng_tracing_ok $SESSION_NAME |
| 41 | |
| 42 | # Expect 2 identical events in the trace |
| 43 | trace_match_only $event_name 2 $TRACE_PATH |
| 44 | |
| 45 | # Expect a single event ID in the metadata |
| 46 | validate_metadata_event $event_name 1 $TRACE_PATH |
| 47 | |
| 48 | return $? |
| 49 | } |
| 50 | |
| 51 | test_dlopen_same_provider_name_different_event() |
| 52 | { |
| 53 | local event_name="multi:tp" |
| 54 | # Regular expression for event tp with one argument: arg_long |
| 55 | local event_a_payload_exp="^.*$event_name.*arg_long_A.*" |
| 56 | # Regular expression for event tp with two arguments: arg_long and |
| 57 | # arg_float |
| 58 | local event_b_payload_exp="^.*$event_name.*arg_long_B.*arg_float_B.*" |
| 59 | diag "dlopen 2 providers, same event name, different payload" |
| 60 | |
| 61 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 62 | |
| 63 | start_lttng_tracing_ok $SESSION_NAME |
| 64 | |
| 65 | $EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_A $SO_PROBES_B |
| 66 | |
| 67 | stop_lttng_tracing_ok $SESSION_NAME |
| 68 | |
| 69 | # Expect 2 identical events in the trace |
| 70 | trace_match_only $event_name 2 $TRACE_PATH |
| 71 | |
| 72 | # Expect 2 events ID in the metadata |
| 73 | validate_metadata_event $event_name 2 $TRACE_PATH |
| 74 | |
| 75 | # Expect 2 events with different payloads |
| 76 | validate_trace_exp $event_a_payload_exp $TRACE_PATH |
| 77 | validate_trace_exp $event_b_payload_exp $TRACE_PATH |
| 78 | |
| 79 | return $? |
| 80 | } |
| 81 | |
| 82 | test_dlopen_same_provider_name_same_enum() |
| 83 | { |
| 84 | local event_name="multi:tp" |
| 85 | # Regular expression for event tp with one argument: arg_long |
| 86 | local event_c_payload_exp="^.*$event_name.*enum_int_C.*" |
| 87 | # Regular expression for event tp with two arguments: arg_long and |
| 88 | # arg_float |
| 89 | local event_d_payload_exp="^.*$event_name.*enum_int_D.*" |
| 90 | diag "dlopen 2 providers, same event name, same enum definition" |
| 91 | |
| 92 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 93 | |
| 94 | start_lttng_tracing_ok $SESSION_NAME |
| 95 | |
| 96 | $EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_C $SO_PROBES_C_PRIME |
| 97 | |
| 98 | stop_lttng_tracing_ok $SESSION_NAME |
| 99 | |
| 100 | # Expect 2 identical events in the trace |
| 101 | trace_match_only $event_name 2 $TRACE_PATH |
| 102 | |
| 103 | # Expect 2 events ID in the metadata |
| 104 | validate_metadata_event $event_name 1 $TRACE_PATH |
| 105 | |
| 106 | return $? |
| 107 | } |
| 108 | |
| 109 | test_dlopen_same_provider_name_different_enum() |
| 110 | { |
| 111 | local event_name="multi:tp" |
| 112 | # Regular expression for event tp with one argument: arg_long |
| 113 | local event_c_payload_exp="^.*$event_name.*enum_int_C.*" |
| 114 | # Regular expression for event tp with two arguments: arg_long and |
| 115 | # arg_float |
| 116 | local event_d_payload_exp="^.*$event_name.*enum_int_D.*" |
| 117 | diag "dlopen 2 providers, same event name, different enum definition" |
| 118 | |
| 119 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 120 | |
| 121 | start_lttng_tracing_ok $SESSION_NAME |
| 122 | |
| 123 | $EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_C $SO_PROBES_D |
| 124 | |
| 125 | stop_lttng_tracing_ok $SESSION_NAME |
| 126 | |
| 127 | # Expect 2 identical events in the trace |
| 128 | trace_match_only $event_name 2 $TRACE_PATH |
| 129 | |
| 130 | # Expect 2 events ID in the metadata |
| 131 | validate_metadata_event $event_name 2 $TRACE_PATH |
| 132 | |
| 133 | # Expect 2 events with different payloads |
| 134 | validate_trace_exp $event_c_payload_exp $TRACE_PATH |
| 135 | validate_trace_exp $event_d_payload_exp $TRACE_PATH |
| 136 | |
| 137 | return $? |
| 138 | } |
| 139 | |
| 140 | test_upgrade_probes_dlopen_dclose() |
| 141 | { |
| 142 | local event_name="multi:tp" |
| 143 | diag "Upgrade probe provider using dlopen/dlclose during tracing" |
| 144 | |
| 145 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 146 | |
| 147 | start_lttng_tracing_ok $SESSION_NAME |
| 148 | |
| 149 | $EXEC_NAME_WITH_CALLSITES -t 1 $SO_PROBES_A $SO_PROBES_B |
| 150 | |
| 151 | stop_lttng_tracing_ok $SESSION_NAME |
| 152 | |
| 153 | # Expect 2 identical events in the trace |
| 154 | trace_match_only $event_name 4 $TRACE_PATH |
| 155 | |
| 156 | # Expect 2 events ID in the metadata |
| 157 | validate_metadata_event $event_name 2 $TRACE_PATH |
| 158 | |
| 159 | return $? |
| 160 | } |
| 161 | |
| 162 | test_upgrade_callsites_dlopen_dclose() |
| 163 | { |
| 164 | local event_name="multi:tp" |
| 165 | diag "Upgrade callsite using dlopen/dlclose during tracing" |
| 166 | |
| 167 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 168 | |
| 169 | start_lttng_tracing_ok $SESSION_NAME |
| 170 | |
| 171 | $EXEC_NAME_WITHOUT_CALLSITES -t 2 $SO_CALLSITE_1 $SO_CALLSITE_2 |
| 172 | |
| 173 | stop_lttng_tracing_ok $SESSION_NAME |
| 174 | |
| 175 | # Expect 2 identical events in the trace |
| 176 | trace_match_only $event_name 3 $TRACE_PATH |
| 177 | |
| 178 | # Expect 2 events ID in the metadata |
| 179 | validate_metadata_event $event_name 1 $TRACE_PATH |
| 180 | |
| 181 | return $? |
| 182 | } |
| 183 | |
| 184 | test_event_field_comparison() |
| 185 | { |
| 186 | local event_name="multi:tp" |
| 187 | diag "Load mutliple events with slight variations in the field descriptions." |
| 188 | |
| 189 | local library_prefix="libprobes_" |
| 190 | local nb_libs=0 |
| 191 | local library_list=" " |
| 192 | # Concatenate all the probe libraries in a string. |
| 193 | for postfix in {a..p}; do |
| 194 | library_list="$library_list $SO_DIR/$library_prefix$postfix.so" |
| 195 | let nb_libs+=1 |
| 196 | done |
| 197 | |
| 198 | enable_ust_lttng_event_ok $SESSION_NAME "$event_name" |
| 199 | |
| 200 | start_lttng_tracing_ok $SESSION_NAME |
| 201 | |
| 202 | $EXEC_NAME_WITH_CALLSITES -t 0 $library_list |
| 203 | |
| 204 | stop_lttng_tracing_ok $SESSION_NAME |
| 205 | |
| 206 | # Expect $nb_libs identical events in the trace |
| 207 | trace_match_only $event_name $nb_libs $TRACE_PATH |
| 208 | |
| 209 | # Expect $nb_libs events ID in the metadata |
| 210 | validate_metadata_event $event_name $nb_libs $TRACE_PATH |
| 211 | |
| 212 | return $? |
| 213 | } |
| 214 | |
| 215 | |
| 216 | plan_tests $NUM_TESTS |
| 217 | |
| 218 | print_test_banner "$TEST_DESC" |
| 219 | |
| 220 | TESTS=( |
| 221 | "test_dlopen_same_provider_name_same_event" |
| 222 | "test_dlopen_same_provider_name_different_event" |
| 223 | "test_dlopen_same_provider_name_different_enum" |
| 224 | "test_dlopen_same_provider_name_same_enum" |
| 225 | "test_event_field_comparison" |
| 226 | "test_upgrade_probes_dlopen_dclose" |
| 227 | "test_upgrade_callsites_dlopen_dclose" |
| 228 | ) |
| 229 | |
| 230 | TEST_COUNT=${#TESTS[@]} |
| 231 | i=0 |
| 232 | |
| 233 | start_lttng_sessiond |
| 234 | |
| 235 | while [ "$i" -lt "$TEST_COUNT" ]; do |
| 236 | |
| 237 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_multi_lib_ust_trace_path.XXXXXX) |
| 238 | |
| 239 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 240 | |
| 241 | # Execute test |
| 242 | ${TESTS[$i]} |
| 243 | |
| 244 | destroy_lttng_session_ok $SESSION_NAME |
| 245 | |
| 246 | rm -rf $TRACE_PATH |
| 247 | |
| 248 | let "i++" |
| 249 | done |
| 250 | |
| 251 | stop_lttng_sessiond |