tests/regression/tools/regen-metadata/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # This library is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Lesser General Public License as published by the Free
   7 # Software Foundation; version 2.1 of the License.
   8 #
   9 # This library is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  12 # details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public License
  15 # along with this library; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  17 TEST_DESC="Streaming - User space tracing"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 NR_ITER=1
  22 NR_USEC_WAIT=0
  23 TESTAPP_PATH="$TESTDIR/utils/testapp"
  24 TESTAPP_NAME="gen-ust-events"
  25 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  26 SESSION_NAME="stream"
  27 EVENT_NAME="tp:tptest"
  28
  29 TRACE_PATH=$(mktemp -d)
  30
  31 NUM_TESTS=39
  32
  33 source $TESTDIR/utils/utils.sh
  34
  35 if [ ! -x "$TESTAPP_BIN" ]; then
  36         BAIL_OUT "No UST events binary detected."
  37 fi
  38
  39 function enable_channel_per_pid()
  40 {
  41         sess_name=$1
  42         channel_name=$2
  43
  44         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
  45         ok $? "Enable channel $channel_name per PID for session $sess_name"
  46 }
  47
  48 # MUST set TESTDIR before calling those functions
  49
  50 function test_ust_streaming ()
  51 {
  52         local file_sync_after_first=$(mktemp -u)
  53         local file_sync_before_last=$(mktemp -u)
  54         local metadata_path
  55
  56         diag "Test UST streaming with metadata regeneration"
  57         create_lttng_session_uri $SESSION_NAME net://localhost
  58         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  59
  60         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  61
  62         start_lttng_tracing_ok $SESSION_NAME
  63
  64         touch ${file_sync_before_last}
  65
  66         # Wait for the applications started in background
  67         wait
  68
  69         # Expect a valid trace
  70         stop_lttng_tracing_ok $SESSION_NAME
  71         validate_trace $EVENT_NAME "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"*
  72
  73         # Find the metadata file
  74         metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* | grep metadata)
  75
  76         # Empty the metadata file
  77         echo -n > "$metadata_path"
  78
  79         start_lttng_tracing_ok $SESSION_NAME
  80         regenerate_metadata_ok $SESSION_NAME
  81         stop_lttng_tracing_ok $SESSION_NAME
  82
  83         # Metadata file must have been regenerated
  84         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  85         destroy_lttng_session_ok $SESSION_NAME
  86
  87         rm -rf "$TRACE_PATH"
  88         rm -f ${file_sync_after_first}
  89         rm -f ${file_sync_before_last}
  90 }
  91
  92 function test_ust_local ()
  93 {
  94         local file_sync_after_first=$(mktemp -u)
  95         local file_sync_before_last=$(mktemp -u)
  96         local metadata_path
  97
  98         diag "Test UST local with metadata regeneration"
  99         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 100         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 101
 102         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 103
 104         start_lttng_tracing_ok $SESSION_NAME
 105
 106         touch ${file_sync_before_last}
 107
 108         # Wait for the applications started in background
 109         wait
 110
 111         # Expect a valid trace
 112         stop_lttng_tracing_ok $SESSION_NAME
 113         validate_trace $EVENT_NAME "$TRACE_PATH"
 114
 115         # Find the metadata file
 116         metadata_path=$(find "$TRACE_PATH"* | grep metadata)
 117
 118         # Empty the metadata file
 119         echo -n > "$metadata_path"
 120
 121         start_lttng_tracing_ok $SESSION_NAME
 122         regenerate_metadata_ok $SESSION_NAME
 123         stop_lttng_tracing_ok $SESSION_NAME
 124
 125         # Metadata file must have been regenerated
 126         validate_trace $EVENT_NAME $TRACE_PATH
 127         destroy_lttng_session_ok $SESSION_NAME
 128
 129         rm -rf "$TRACE_PATH"
 130         rm -f ${file_sync_after_first}
 131         rm -f ${file_sync_before_last}
 132 }
 133
 134 function test_ust_pid ()
 135 {
 136         local file_sync_after_first=$(mktemp -u)
 137         local file_sync_before_last=$(mktemp -u)
 138
 139         diag "Test UST per-pid with metadata regeneration (expect failure)"
 140         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 141         enable_channel_per_pid $SESSION_NAME "channel0"
 142         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 143
 144         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 145
 146         start_lttng_tracing_ok $SESSION_NAME
 147
 148         touch ${file_sync_before_last}
 149
 150         # Wait for the applications started in background
 151         wait
 152         regenerate_metadata_fail $SESSION_NAME
 153
 154         stop_lttng_tracing_ok $SESSION_NAME
 155         destroy_lttng_session_ok $SESSION_NAME
 156         # Validate test
 157         validate_trace $EVENT_NAME $TRACE_PATH
 158         if [ $? -eq 0 ]; then
 159                 # Only delete if successful
 160                 rm -rf $TRACE_PATH
 161         fi
 162         rm -f ${file_sync_after_first}
 163         rm -f ${file_sync_before_last}
 164 }
 165
 166 function test_ust_live ()
 167 {
 168         local file_sync_after_first=$(mktemp -u)
 169         local file_sync_before_last=$(mktemp -u)
 170
 171         diag "Test UST live with metadata regeneration (expect failure)"
 172         create_lttng_session_uri $SESSION_NAME net://localhost --live
 173         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 174
 175         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 176
 177         start_lttng_tracing_ok $SESSION_NAME
 178
 179         touch ${file_sync_before_last}
 180
 181         # Wait for the applications started in background
 182         wait
 183         regenerate_metadata_fail $SESSION_NAME
 184
 185         stop_lttng_tracing_ok $SESSION_NAME
 186         destroy_lttng_session_ok $SESSION_NAME
 187         # Validate test
 188         validate_trace $EVENT_NAME $TRACE_PATH
 189         if [ $? -eq 0 ]; then
 190                 # Only delete if successful
 191                 rm -rf $TRACE_PATH
 192         fi
 193         rm -f ${file_sync_after_first}
 194         rm -f ${file_sync_before_last}
 195 }
 196
 197 plan_tests $NUM_TESTS
 198
 199 print_test_banner "$TEST_DESC"
 200
 201 start_lttng_relayd "-o $TRACE_PATH"
 202 start_lttng_sessiond
 203
 204 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 205
 206 for fct_test in ${tests[@]};
 207 do
 208         SESSION_NAME=$(randstring 16 0)
 209         ${fct_test}
 210 done
 211
 212 stop_lttng_sessiond
 213 stop_lttng_relayd
 214
 215 exit $out