tests/regression/tools/regen-metadata/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2015 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Streaming - User space tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 NR_ITER=1
  12 NR_USEC_WAIT=0
  13 TESTAPP_PATH="$TESTDIR/utils/testapp"
  14 TESTAPP_NAME="gen-ust-events"
  15 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  16 SESSION_NAME="stream"
  17 EVENT_NAME="tp:tptest"
  18
  19 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_regen_metadata_ust_trace_path.XXXXXX)
  20
  21 NUM_TESTS=39
  22
  23 source $TESTDIR/utils/utils.sh
  24
  25 if [ ! -x "$TESTAPP_BIN" ]; then
  26         BAIL_OUT "No UST events binary detected."
  27 fi
  28
  29 function enable_channel_per_pid()
  30 {
  31         sess_name=$1
  32         channel_name=$2
  33
  34         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
  35         ok $? "Enable channel $channel_name per PID for session $sess_name"
  36 }
  37
  38 # MUST set TESTDIR before calling those functions
  39
  40 function test_ust_streaming ()
  41 {
  42         local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
  43         local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
  44         local metadata_path
  45
  46         diag "Test UST streaming with metadata regeneration"
  47         create_lttng_session_uri $SESSION_NAME net://localhost
  48         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  49
  50         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  51                 --sync-after-first-event ${file_sync_after_first} \
  52                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
  53
  54         start_lttng_tracing_ok $SESSION_NAME
  55
  56         touch ${file_sync_before_last}
  57
  58         # Wait for the applications started in background
  59         wait
  60
  61         # Expect a valid trace
  62         stop_lttng_tracing_ok $SESSION_NAME
  63         validate_trace $EVENT_NAME "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"*
  64
  65         # Find the metadata file
  66         metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* -name "metadata")
  67
  68         # Empty the metadata file
  69         echo -n > "$metadata_path"
  70
  71         start_lttng_tracing_ok $SESSION_NAME
  72         regenerate_metadata_ok $SESSION_NAME
  73         stop_lttng_tracing_ok $SESSION_NAME
  74
  75         # Metadata file must have been regenerated
  76         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  77         destroy_lttng_session_ok $SESSION_NAME
  78
  79         rm -rf "$TRACE_PATH"
  80         rm -f ${file_sync_after_first}
  81         rm -f ${file_sync_before_last}
  82 }
  83
  84 function test_ust_local ()
  85 {
  86         local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
  87         local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
  88         local metadata_path
  89
  90         diag "Test UST local with metadata regeneration"
  91         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  92         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  93
  94         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  95                 --sync-after-first-event ${file_sync_after_first} \
  96                 --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
  97
  98         start_lttng_tracing_ok $SESSION_NAME
  99
 100         touch ${file_sync_before_last}
 101
 102         # Wait for the applications started in background
 103         wait
 104
 105         # Expect a valid trace
 106         stop_lttng_tracing_ok $SESSION_NAME
 107         validate_trace $EVENT_NAME "$TRACE_PATH"
 108
 109         # Find the metadata file
 110         metadata_path=$(find "$TRACE_PATH"* -name "metadata")
 111
 112         # Empty the metadata file
 113         echo -n > "$metadata_path"
 114
 115         start_lttng_tracing_ok $SESSION_NAME
 116         regenerate_metadata_ok $SESSION_NAME
 117         stop_lttng_tracing_ok $SESSION_NAME
 118
 119         # Metadata file must have been regenerated
 120         validate_trace $EVENT_NAME $TRACE_PATH
 121         destroy_lttng_session_ok $SESSION_NAME
 122
 123         rm -rf "$TRACE_PATH"
 124         rm -f ${file_sync_after_first}
 125         rm -f ${file_sync_before_last}
 126 }
 127
 128 function test_ust_pid ()
 129 {
 130         local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
 131         local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
 132
 133         diag "Test UST per-pid with metadata regeneration (expect failure)"
 134         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 135         enable_channel_per_pid $SESSION_NAME "channel0"
 136         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 137
 138         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
 139                 --sync-after-first-event ${file_sync_after_first} \
 140                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 141
 142         start_lttng_tracing_ok $SESSION_NAME
 143
 144         touch ${file_sync_before_last}
 145
 146         # Wait for the applications started in background
 147         wait
 148         regenerate_metadata_fail $SESSION_NAME
 149
 150         stop_lttng_tracing_ok $SESSION_NAME
 151         destroy_lttng_session_ok $SESSION_NAME
 152         # Validate test
 153         validate_trace $EVENT_NAME $TRACE_PATH
 154         if [ $? -eq 0 ]; then
 155                 # Only delete if successful
 156                 rm -rf $TRACE_PATH
 157         fi
 158         rm -f ${file_sync_after_first}
 159         rm -f ${file_sync_before_last}
 160 }
 161
 162 function test_ust_live ()
 163 {
 164         local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
 165         local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
 166
 167         diag "Test UST live with metadata regeneration (expect failure)"
 168         create_lttng_session_uri $SESSION_NAME net://localhost --live
 169         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 170
 171         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
 172                 --sync-after-first-event ${file_sync_after_first} \
 173                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 174
 175         start_lttng_tracing_ok $SESSION_NAME
 176
 177         touch ${file_sync_before_last}
 178
 179         # Wait for the applications started in background
 180         wait
 181         regenerate_metadata_fail $SESSION_NAME
 182
 183         stop_lttng_tracing_ok $SESSION_NAME
 184         destroy_lttng_session_ok $SESSION_NAME
 185         # Validate test
 186         validate_trace $EVENT_NAME $TRACE_PATH
 187         if [ $? -eq 0 ]; then
 188                 # Only delete if successful
 189                 rm -rf $TRACE_PATH
 190         fi
 191         rm -f ${file_sync_after_first}
 192         rm -f ${file_sync_before_last}
 193 }
 194
 195 plan_tests $NUM_TESTS
 196
 197 print_test_banner "$TEST_DESC"
 198
 199 start_lttng_relayd "-o $TRACE_PATH"
 200 start_lttng_sessiond
 201
 202 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 203
 204 for fct_test in ${tests[@]};
 205 do
 206         SESSION_NAME=$(randstring 16 0)
 207         ${fct_test}
 208 done
 209
 210 stop_lttng_sessiond
 211 stop_lttng_relayd
 212
 213 exit $out