tests/regression/tools/snapshots/test_ust_streaming

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 David Goulet <dgoulet@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Streaming - Snapshot UST tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 EVENT_NAME="tp:tptest"
  12 SESSION_NAME=""
  13 CHANNEL_NAME="chan1"
  14 BIN_NAME="gen-nevents"
  15 TESTAPP_PATH="$TESTDIR/utils/testapp"
  16 TESTAPP_NAME="gen-ust-events"
  17 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  18 NR_ITER=-1
  19 NR_USEC_WAIT=100
  20 APPS_PID=
  21
  22 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_snapshots_ust_streaming_trace_path.XXXXXX)
  23
  24 NUM_TESTS=85
  25
  26 source $TESTDIR/utils/utils.sh
  27
  28 if [ ! -x "$TESTAPP_BIN" ]; then
  29         BAIL_OUT "No UST events binary detected."
  30 fi
  31
  32 function snapshot_add_output ()
  33 {
  34         local sess_name=$1
  35         local trace_path=$2
  36         local name=$3
  37         local extra_opt=""
  38
  39         if [ ! -z $name ]; then
  40                 extra_opt="-n $name"
  41         fi
  42
  43         $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $extra_opt $trace_path >/dev/null 2>&1
  44         ok $? "Added snapshot output $trace_path"
  45 }
  46
  47 # Start trace application and return once one event has been hit.
  48 function start_test_app()
  49 {
  50         local tmp_file=$(mktemp --tmpdir -u tmp.test_${FUNCNAME[0]}_tmp_file.XXXXXX)
  51
  52         # Start application with a temporary file.
  53         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $tmp_file &
  54         ret=$?
  55         APPS_PID="${APPS_PID} ${!}"
  56         ok $ret "Start application to trace"
  57
  58         # Wait for the application file to appear indicating that at least one
  59         # tracepoint has been fired.
  60         while [ ! -f "$tmp_file" ]; do
  61                 sleep 0.5
  62         done
  63         diag "Removing test app temporary file $tmp_file"
  64         rm -f $tmp_file
  65 }
  66
  67 function stop_test_apps()
  68 {
  69         diag "Stopping $TESTAPP_NAME"
  70         for p in ${APPS_PID}; do
  71                 kill ${p}
  72                 wait ${p} 2>/dev/null
  73         done
  74         APPS_PID=
  75 }
  76
  77 # Test a snapshot using a default name for the output destination.
  78 function test_ust_default_name_with_del()
  79 {
  80         diag "Test UST snapshot streaming with default name with delete output"
  81         create_lttng_session_no_output $SESSION_NAME
  82         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
  83         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
  84         start_lttng_tracing_ok $SESSION_NAME
  85
  86         start_test_app
  87
  88         snapshot_add_output $SESSION_NAME "net://localhost"
  89         lttng_snapshot_record $SESSION_NAME
  90
  91         # Validate test
  92         validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0
  93         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
  94         if [ $? -ne 0 ]; then
  95                 stop_test_apps
  96                 return $?
  97         fi
  98
  99         lttng_snapshot_del_output_ok $SESSION_NAME 1
 100         snapshot_add_output $SESSION_NAME "net://localhost"
 101         lttng_snapshot_record $SESSION_NAME
 102
 103         # Validate test with the next ID since a del output was done prior.
 104         validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-2" 1
 105         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-2*
 106         if [ $? -ne 0 ]; then
 107                 stop_test_apps
 108                 return $?
 109         fi
 110
 111         stop_lttng_tracing_ok $SESSION_NAME
 112         destroy_lttng_session_ok $SESSION_NAME
 113
 114         stop_test_apps
 115
 116         return 0
 117 }
 118
 119 # Test a snapshot using a default name for the output destination.
 120 function test_ust_default_name()
 121 {
 122         diag "Test UST snapshot streaming with default name"
 123         create_lttng_session_no_output $SESSION_NAME
 124         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 125         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 126         start_lttng_tracing_ok $SESSION_NAME
 127
 128         start_test_app
 129
 130         snapshot_add_output $SESSION_NAME "net://localhost"
 131         lttng_snapshot_record $SESSION_NAME
 132         stop_lttng_tracing_ok $SESSION_NAME
 133         destroy_lttng_session_ok $SESSION_NAME
 134         # Validate test
 135         validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0
 136         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
 137         out=$?
 138
 139         stop_test_apps
 140
 141         return $out
 142 }
 143
 144 function test_ust_default_name_custom_uri()
 145 {
 146         diag "Test UST snapshot streaming with default name with custom URL"
 147         create_lttng_session_no_output $SESSION_NAME
 148         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 149         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 150         start_lttng_tracing_ok $SESSION_NAME
 151
 152         start_test_app
 153
 154         snapshot_add_output $SESSION_NAME "-C tcp://localhost:5342 -D tcp://localhost:5343"
 155         lttng_snapshot_record $SESSION_NAME
 156         stop_lttng_tracing_ok $SESSION_NAME
 157         destroy_lttng_session_ok $SESSION_NAME
 158         # Validate test
 159         validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" 0
 160         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
 161         out=$?
 162
 163         stop_test_apps
 164
 165         return $out
 166 }
 167
 168 # Test a snapshot using a custom name for the output destination.
 169 function test_ust_custom_name()
 170 {
 171         local out
 172         local name="asnapshotname"
 173
 174         diag "Test UST snapshot streaming with custom name"
 175         create_lttng_session_no_output $SESSION_NAME
 176         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 177         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 178         start_lttng_tracing_ok $SESSION_NAME
 179
 180         start_test_app
 181
 182         snapshot_add_output $SESSION_NAME "net://localhost" $name
 183         lttng_snapshot_record $SESSION_NAME
 184         stop_lttng_tracing_ok $SESSION_NAME
 185         destroy_lttng_session_ok $SESSION_NAME
 186
 187         if ls $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name* &> /dev/null; then
 188                 ok 0 "Custom name snapshot exists"
 189                 # Validate test
 190                 validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "$name" 0
 191                 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name-*
 192                 out=$?
 193         else
 194                 fail "No custom name snapshot found"
 195                 out=1
 196         fi
 197
 198         stop_test_apps
 199
 200         return $out
 201 }
 202
 203 function test_ust_n_snapshot()
 204 {
 205         diag "Test ust snapshot streaming multiple consecutive snapshot"
 206         create_lttng_session_no_output $SESSION_NAME
 207         enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
 208         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
 209         snapshot_add_output $SESSION_NAME "net://localhost"
 210         start_test_app
 211         for i in {0..4};
 212         do
 213                 start_lttng_tracing_ok $SESSION_NAME
 214                 lttng_snapshot_record $SESSION_NAME
 215                 stop_lttng_tracing_ok $SESSION_NAME
 216                 validate_trace_path_ust_uid_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" $i
 217                 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
 218                 if [ $? -ne 0 ]; then
 219                         return 1
 220                 fi
 221                 set -u
 222                 rm -rf $TRACE_PATH/$HOSTNAME
 223                 set +u
 224         done
 225
 226         destroy_lttng_session_ok $SESSION_NAME
 227         stop_test_apps
 228         return 0
 229 }
 230
 231 plan_tests $NUM_TESTS
 232
 233 print_test_banner "$TEST_DESC"
 234
 235 if [ "$(id -u)" == "0" ]; then
 236         isroot=1
 237 else
 238         isroot=0
 239 fi
 240
 241 start_lttng_relayd "-o $TRACE_PATH"
 242 start_lttng_sessiond
 243
 244 tests=( test_ust_default_name_with_del
 245         test_ust_default_name
 246         test_ust_custom_name
 247         test_ust_default_name_custom_uri
 248         test_ust_n_snapshot
 249 )
 250
 251 for fct_test in ${tests[@]};
 252 do
 253         SESSION_NAME=$(randstring 16 0)
 254         ${fct_test}
 255         if [ $? -eq 0 ]; then
 256                 # Only delete if successful
 257                 rm -rf $TRACE_PATH
 258         else
 259                 break
 260         fi
 261 done
 262
 263 stop_lttng_sessiond
 264 stop_lttng_relayd