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 -d)
  20
  21 NUM_TESTS=33
  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 -u)
  43         local file_sync_before_last=$(mktemp -u)
  44
  45         diag "Test UST streaming with metadata regeneration"
  46         create_lttng_session_uri $SESSION_NAME net://localhost
  47         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  48
  49         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  50                 --sync-after-first-event ${file_sync_after_first} \
  51                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
  52
  53         start_lttng_tracing_ok $SESSION_NAME
  54
  55         touch ${file_sync_before_last}
  56
  57         # Wait for the applications started in background
  58         wait
  59         regenerate_metadata_ok $SESSION_NAME
  60
  61         stop_lttng_tracing_ok $SESSION_NAME
  62         destroy_lttng_session_ok $SESSION_NAME
  63         # Validate test
  64         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  65         if [ $? -eq 0 ]; then
  66                 # Only delete if successful
  67                 rm -rf $TRACE_PATH
  68         fi
  69         rm -f ${file_sync_after_first}
  70         rm -f ${file_sync_before_last}
  71 }
  72
  73 function test_ust_local ()
  74 {
  75         local file_sync_after_first=$(mktemp -u)
  76         local file_sync_before_last=$(mktemp -u)
  77
  78         diag "Test UST local with metadata regeneration"
  79         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  80         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  81
  82         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  83                 --sync-after-first-event ${file_sync_after_first} \
  84                 --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
  85
  86         start_lttng_tracing_ok $SESSION_NAME
  87
  88         touch ${file_sync_before_last}
  89
  90         # Wait for the applications started in background
  91         wait
  92         regenerate_metadata_ok $SESSION_NAME
  93
  94         stop_lttng_tracing_ok $SESSION_NAME
  95         destroy_lttng_session_ok $SESSION_NAME
  96         # Validate test
  97         validate_trace $EVENT_NAME $TRACE_PATH
  98         if [ $? -eq 0 ]; then
  99                 # Only delete if successful
 100                 rm -rf $TRACE_PATH
 101         fi
 102         rm -f ${file_sync_after_first}
 103         rm -f ${file_sync_before_last}
 104 }
 105
 106 function test_ust_pid ()
 107 {
 108         local file_sync_after_first=$(mktemp -u)
 109         local file_sync_before_last=$(mktemp -u)
 110
 111         diag "Test UST per-pid with metadata regeneration (expect failure)"
 112         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 113         enable_channel_per_pid $SESSION_NAME "channel0"
 114         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 115
 116         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
 117                 --sync-after-first-event ${file_sync_after_first} \
 118                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 119
 120         start_lttng_tracing_ok $SESSION_NAME
 121
 122         touch ${file_sync_before_last}
 123
 124         # Wait for the applications started in background
 125         wait
 126         regenerate_metadata_fail $SESSION_NAME
 127
 128         stop_lttng_tracing_ok $SESSION_NAME
 129         destroy_lttng_session_ok $SESSION_NAME
 130         # Validate test
 131         validate_trace $EVENT_NAME $TRACE_PATH
 132         if [ $? -eq 0 ]; then
 133                 # Only delete if successful
 134                 rm -rf $TRACE_PATH
 135         fi
 136         rm -f ${file_sync_after_first}
 137         rm -f ${file_sync_before_last}
 138 }
 139
 140 function test_ust_live ()
 141 {
 142         local file_sync_after_first=$(mktemp -u)
 143         local file_sync_before_last=$(mktemp -u)
 144
 145         diag "Test UST live with metadata regeneration (expect failure)"
 146         create_lttng_session_uri $SESSION_NAME net://localhost --live
 147         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 148
 149         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
 150                 --sync-after-first-event ${file_sync_after_first} \
 151                 --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 152
 153         start_lttng_tracing_ok $SESSION_NAME
 154
 155         touch ${file_sync_before_last}
 156
 157         # Wait for the applications started in background
 158         wait
 159         regenerate_metadata_fail $SESSION_NAME
 160
 161         stop_lttng_tracing_ok $SESSION_NAME
 162         destroy_lttng_session_ok $SESSION_NAME
 163         # Validate test
 164         validate_trace $EVENT_NAME $TRACE_PATH
 165         if [ $? -eq 0 ]; then
 166                 # Only delete if successful
 167                 rm -rf $TRACE_PATH
 168         fi
 169         rm -f ${file_sync_after_first}
 170         rm -f ${file_sync_before_last}
 171 }
 172
 173 plan_tests $NUM_TESTS
 174
 175 print_test_banner "$TEST_DESC"
 176
 177 start_lttng_relayd "-o $TRACE_PATH"
 178 start_lttng_sessiond
 179
 180 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 181
 182 for fct_test in ${tests[@]};
 183 do
 184         SESSION_NAME=$(randstring 16 0)
 185         ${fct_test}
 186 done
 187
 188 stop_lttng_sessiond
 189 stop_lttng_relayd
 190
 191 exit $out