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=33
  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
  55         diag "Test UST streaming with metadata regeneration"
  56         create_lttng_session_uri $SESSION_NAME net://localhost
  57         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  58
  59         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  60
  61         start_lttng_tracing_ok $SESSION_NAME
  62
  63         touch ${file_sync_before_last}
  64
  65         # Wait for the applications started in background
  66         wait
  67         regenerate_metadata_ok $SESSION_NAME
  68
  69         stop_lttng_tracing_ok $SESSION_NAME
  70         destroy_lttng_session_ok $SESSION_NAME
  71         # Validate test
  72         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  73         if [ $? -eq 0 ]; then
  74                 # Only delete if successful
  75                 rm -rf $TRACE_PATH
  76         fi
  77         rm -f ${file_sync_after_first}
  78         rm -f ${file_sync_before_last}
  79 }
  80
  81 function test_ust_local ()
  82 {
  83         local file_sync_after_first=$(mktemp -u)
  84         local file_sync_before_last=$(mktemp -u)
  85
  86         diag "Test UST local with metadata regeneration"
  87         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  88         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  89
  90         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  91
  92         start_lttng_tracing_ok $SESSION_NAME
  93
  94         touch ${file_sync_before_last}
  95
  96         # Wait for the applications started in background
  97         wait
  98         regenerate_metadata_ok $SESSION_NAME
  99
 100         stop_lttng_tracing_ok $SESSION_NAME
 101         destroy_lttng_session_ok $SESSION_NAME
 102         # Validate test
 103         validate_trace $EVENT_NAME $TRACE_PATH
 104         if [ $? -eq 0 ]; then
 105                 # Only delete if successful
 106                 rm -rf $TRACE_PATH
 107         fi
 108         rm -f ${file_sync_after_first}
 109         rm -f ${file_sync_before_last}
 110 }
 111
 112 function test_ust_pid ()
 113 {
 114         local file_sync_after_first=$(mktemp -u)
 115         local file_sync_before_last=$(mktemp -u)
 116
 117         diag "Test UST per-pid with metadata regeneration (expect failure)"
 118         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 119         enable_channel_per_pid $SESSION_NAME "channel0"
 120         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 121
 122         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 123
 124         start_lttng_tracing_ok $SESSION_NAME
 125
 126         touch ${file_sync_before_last}
 127
 128         # Wait for the applications started in background
 129         wait
 130         regenerate_metadata_fail $SESSION_NAME
 131
 132         stop_lttng_tracing_ok $SESSION_NAME
 133         destroy_lttng_session_ok $SESSION_NAME
 134         # Validate test
 135         validate_trace $EVENT_NAME $TRACE_PATH
 136         if [ $? -eq 0 ]; then
 137                 # Only delete if successful
 138                 rm -rf $TRACE_PATH
 139         fi
 140         rm -f ${file_sync_after_first}
 141         rm -f ${file_sync_before_last}
 142 }
 143
 144 function test_ust_live ()
 145 {
 146         local file_sync_after_first=$(mktemp -u)
 147         local file_sync_before_last=$(mktemp -u)
 148
 149         diag "Test UST live with metadata regeneration (expect failure)"
 150         create_lttng_session_uri $SESSION_NAME net://localhost --live
 151         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 152
 153         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
 154
 155         start_lttng_tracing_ok $SESSION_NAME
 156
 157         touch ${file_sync_before_last}
 158
 159         # Wait for the applications started in background
 160         wait
 161         regenerate_metadata_fail $SESSION_NAME
 162
 163         stop_lttng_tracing_ok $SESSION_NAME
 164         destroy_lttng_session_ok $SESSION_NAME
 165         # Validate test
 166         validate_trace $EVENT_NAME $TRACE_PATH
 167         if [ $? -eq 0 ]; then
 168                 # Only delete if successful
 169                 rm -rf $TRACE_PATH
 170         fi
 171         rm -f ${file_sync_after_first}
 172         rm -f ${file_sync_before_last}
 173 }
 174
 175 plan_tests $NUM_TESTS
 176
 177 print_test_banner "$TEST_DESC"
 178
 179 start_lttng_relayd "-o $TRACE_PATH"
 180 start_lttng_sessiond
 181
 182 tests=( test_ust_streaming test_ust_local test_ust_pid test_ust_live )
 183
 184 for fct_test in ${tests[@]};
 185 do
 186         SESSION_NAME=$(randstring 16 0)
 187         ${fct_test}
 188 done
 189
 190 stop_lttng_sessiond
 191 stop_lttng_relayd
 192
 193 exit $out