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 PID_RELAYD=0
  29
  30 TRACE_PATH=$(mktemp -d)
  31
  32 NUM_TESTS=33
  33
  34 source $TESTDIR/utils/utils.sh
  35
  36 if [ ! -x "$TESTAPP_BIN" ]; then
  37         BAIL_OUT "No UST events binary detected."
  38 fi
  39
  40 function enable_channel_per_pid()
  41 {
  42         sess_name=$1
  43         channel_name=$2
  44
  45         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
  46         ok $? "Enable channel $channel_name per PID for session $sess_name"
  47 }
  48
  49 # MUST set TESTDIR before calling those functions
  50
  51 function test_ust_streaming ()
  52 {
  53         local file_sync_after_first=$(mktemp -u)
  54         local file_sync_before_last=$(mktemp -u)
  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         regenerate_metadata_ok $SESSION_NAME
  69
  70         stop_lttng_tracing_ok $SESSION_NAME
  71         destroy_lttng_session_ok $SESSION_NAME
  72         # Validate test
  73         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  74         if [ $? -eq 0 ]; then
  75                 # Only delete if successful
  76                 rm -rf $TRACE_PATH
  77         fi
  78         rm -f ${file_sync_after_first}
  79         rm -f ${file_sync_before_last}
  80 }
  81
  82 function test_ust_local ()
  83 {
  84         local file_sync_after_first=$(mktemp -u)
  85         local file_sync_before_last=$(mktemp -u)
  86
  87         diag "Test UST local with metadata regeneration"
  88         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  89         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  90
  91         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  92
  93         start_lttng_tracing_ok $SESSION_NAME
  94
  95         touch ${file_sync_before_last}
  96
  97         # Wait for the applications started in background
  98         wait
  99         regenerate_metadata_ok $SESSION_NAME
 100
 101         stop_lttng_tracing_ok $SESSION_NAME
 102         destroy_lttng_session_ok $SESSION_NAME
 103         # Validate test
 104         validate_trace $EVENT_NAME $TRACE_PATH
 105         if [ $? -eq 0 ]; then
 106                 # Only delete if successful
 107                 rm -rf $TRACE_PATH
 108         fi
 109         rm -f ${file_sync_after_first}
 110         rm -f ${file_sync_before_last}
 111 }
 112
 113 function test_ust_pid ()
 114 {
 115         local file_sync_after_first=$(mktemp -u)
 116         local file_sync_before_last=$(mktemp -u)
 117
 118         diag "Test UST per-pid with metadata regeneration (expect failure)"
 119         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 120         enable_channel_per_pid $SESSION_NAME "channel0"
 121         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 122
 123         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 124
 125         start_lttng_tracing_ok $SESSION_NAME
 126
 127         touch ${file_sync_before_last}
 128
 129         # Wait for the applications started in background
 130         wait
 131         regenerate_metadata_fail $SESSION_NAME
 132
 133         stop_lttng_tracing_ok $SESSION_NAME
 134         destroy_lttng_session_ok $SESSION_NAME
 135         # Validate test
 136         validate_trace $EVENT_NAME $TRACE_PATH
 137         if [ $? -eq 0 ]; then
 138                 # Only delete if successful
 139                 rm -rf $TRACE_PATH
 140         fi
 141         rm -f ${file_sync_after_first}
 142         rm -f ${file_sync_before_last}
 143 }
 144
 145 function test_ust_live ()
 146 {
 147         local file_sync_after_first=$(mktemp -u)
 148         local file_sync_before_last=$(mktemp -u)
 149
 150         diag "Test UST live with metadata regeneration (expect failure)"
 151         create_lttng_session_uri $SESSION_NAME net://localhost --live
 152         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 153
 154         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 155
 156         start_lttng_tracing_ok $SESSION_NAME
 157
 158         touch ${file_sync_before_last}
 159
 160         # Wait for the applications started in background
 161         wait
 162         regenerate_metadata_fail $SESSION_NAME
 163
 164         stop_lttng_tracing_ok $SESSION_NAME
 165         destroy_lttng_session_ok $SESSION_NAME
 166         # Validate test
 167         validate_trace $EVENT_NAME $TRACE_PATH
 168         if [ $? -eq 0 ]; then
 169                 # Only delete if successful
 170                 rm -rf $TRACE_PATH
 171         fi
 172         rm -f ${file_sync_after_first}
 173         rm -f ${file_sync_before_last}
 174 }
 175
 176 plan_tests $NUM_TESTS
 177
 178 print_test_banner "$TEST_DESC"
 179
 180 start_lttng_relayd "-o $TRACE_PATH"
 181 start_lttng_sessiond
 182
 183 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 184
 185 for fct_test in ${tests[@]};
 186 do
 187         SESSION_NAME=$(randstring 16 0)
 188         ${fct_test}
 189 done
 190
 191 stop_lttng_sessiond
 192 stop_lttng_relayd
 193
 194 exit $out