tests/regression/tools/metadata-regen/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 lttng_create_session_uri
  41 {
  42         # Create session with default path
  43         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
  44         ok $? "Create session with default path"
  45 }
  46
  47 function lttng_create_session_uri_live
  48 {
  49         # Create session with default path
  50         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME --live -U net://localhost >/dev/null 2>&1
  51         ok $? "Create live session"
  52 }
  53
  54 function enable_channel_per_pid()
  55 {
  56         sess_name=$1
  57         channel_name=$2
  58
  59         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name >/dev/null 2>&1
  60         ok $? "Enable channel $channel_name per PID for session $sess_name"
  61 }
  62
  63 # MUST set TESTDIR before calling those functions
  64
  65 function test_ust_streaming ()
  66 {
  67         local file_sync_after_first=$(mktemp -u)
  68         local file_sync_before_last=$(mktemp -u)
  69
  70         diag "Test UST streaming with metadata regeneration"
  71         lttng_create_session_uri
  72         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  73
  74         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  75
  76         start_lttng_tracing_ok $SESSION_NAME
  77
  78         touch ${file_sync_before_last}
  79
  80         # Wait for the applications started in background
  81         wait
  82         metadata_regenerate_ok $SESSION_NAME
  83
  84         stop_lttng_tracing_ok $SESSION_NAME
  85         destroy_lttng_session_ok $SESSION_NAME
  86         # Validate test
  87         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  88         if [ $? -eq 0 ]; then
  89                 # Only delete if successful
  90                 rm -rf $TRACE_PATH
  91         fi
  92         rm -f ${file_sync_after_first}
  93         rm -f ${file_sync_before_last}
  94 }
  95
  96 function test_ust_local ()
  97 {
  98         local file_sync_after_first=$(mktemp -u)
  99         local file_sync_before_last=$(mktemp -u)
 100
 101         diag "Test UST local with metadata regeneration"
 102         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 103         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 104
 105         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 106
 107         start_lttng_tracing_ok $SESSION_NAME
 108
 109         touch ${file_sync_before_last}
 110
 111         # Wait for the applications started in background
 112         wait
 113         metadata_regenerate_ok $SESSION_NAME
 114
 115         stop_lttng_tracing_ok $SESSION_NAME
 116         destroy_lttng_session_ok $SESSION_NAME
 117         # Validate test
 118         validate_trace $EVENT_NAME $TRACE_PATH
 119         if [ $? -eq 0 ]; then
 120                 # Only delete if successful
 121                 rm -rf $TRACE_PATH
 122         fi
 123         rm -f ${file_sync_after_first}
 124         rm -f ${file_sync_before_last}
 125 }
 126
 127 function test_ust_pid ()
 128 {
 129         local file_sync_after_first=$(mktemp -u)
 130         local file_sync_before_last=$(mktemp -u)
 131
 132         diag "Test UST per-pid with metadata regeneration (expect failure)"
 133         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 134         enable_channel_per_pid $SESSION_NAME "channel0"
 135         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 136
 137         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 138
 139         start_lttng_tracing_ok $SESSION_NAME
 140
 141         touch ${file_sync_before_last}
 142
 143         # Wait for the applications started in background
 144         wait
 145         metadata_regenerate_fail $SESSION_NAME
 146
 147         stop_lttng_tracing_ok $SESSION_NAME
 148         destroy_lttng_session_ok $SESSION_NAME
 149         # Validate test
 150         validate_trace $EVENT_NAME $TRACE_PATH
 151         if [ $? -eq 0 ]; then
 152                 # Only delete if successful
 153                 rm -rf $TRACE_PATH
 154         fi
 155         rm -f ${file_sync_after_first}
 156         rm -f ${file_sync_before_last}
 157 }
 158
 159 function test_ust_live ()
 160 {
 161         local file_sync_after_first=$(mktemp -u)
 162         local file_sync_before_last=$(mktemp -u)
 163
 164         diag "Test UST live with metadata regeneration (expect failure)"
 165         lttng_create_session_uri_live $SESSION_NAME $TRACE_PATH
 166         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 167
 168         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 169
 170         start_lttng_tracing_ok $SESSION_NAME
 171
 172         touch ${file_sync_before_last}
 173
 174         # Wait for the applications started in background
 175         wait
 176         metadata_regenerate_fail $SESSION_NAME
 177
 178         stop_lttng_tracing_ok $SESSION_NAME
 179         destroy_lttng_session_ok $SESSION_NAME
 180         # Validate test
 181         validate_trace $EVENT_NAME $TRACE_PATH
 182         if [ $? -eq 0 ]; then
 183                 # Only delete if successful
 184                 rm -rf $TRACE_PATH
 185         fi
 186         rm -f ${file_sync_after_first}
 187         rm -f ${file_sync_before_last}
 188 }
 189
 190 plan_tests $NUM_TESTS
 191
 192 print_test_banner "$TEST_DESC"
 193
 194 start_lttng_relayd "-o $TRACE_PATH"
 195 start_lttng_sessiond
 196
 197 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 198
 199 for fct_test in ${tests[@]};
 200 do
 201         SESSION_NAME=$(randstring 16 0)
 202         ${fct_test}
 203 done
 204
 205 stop_lttng_sessiond
 206 stop_lttng_relayd
 207
 208 exit $out