tests/regression/tools/streaming/test_ust

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2012 David Goulet <dgoulet@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=5
  22 NR_USEC_WAIT=1000000
  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=16
  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 $? "Create session with default path"
  45 }
  46
  47
  48 # MUST set TESTDIR before calling those functions
  49
  50 function test_ust_before_start ()
  51 {
  52         local file_sync_after_first=$(mktemp -u)
  53         local file_sync_before_last=$(mktemp -u)
  54
  55         diag "Test UST streaming BEFORE tracing starts"
  56         lttng_create_session_uri
  57         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  58
  59         # Run 5 times with a 1 second delay
  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 $SESSION_NAME
  63
  64         touch ${file_sync_before_last}
  65
  66         # Wait for the applications started in background
  67         wait
  68
  69         stop_lttng_tracing $SESSION_NAME
  70         destroy_lttng_session $SESSION_NAME
  71         rm -f ${file_sync_after_first}
  72         rm -f ${file_sync_before_last}
  73 }
  74
  75 function test_ust_after_start ()
  76 {
  77         local file_sync_after_first=$(mktemp -u)
  78
  79         diag "Test UST streaming AFTER tracing starts"
  80         lttng_create_session_uri
  81         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  82         start_lttng_tracing $SESSION_NAME
  83
  84         # Run 5 times with a 1 second delay
  85         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} >/dev/null 2>&1
  86
  87         while [ ! -f "${file_sync_after_first}" ]; do
  88                 sleep 0.5
  89         done
  90
  91         stop_lttng_tracing $SESSION_NAME
  92         destroy_lttng_session $SESSION_NAME
  93
  94         # Wait for the applications started in background
  95         wait
  96         rm -f ${file_sync_after_first}
  97 }
  98
  99 plan_tests $NUM_TESTS
 100
 101 print_test_banner "$TEST_DESC"
 102
 103 start_lttng_relayd "-o $TRACE_PATH"
 104 start_lttng_sessiond
 105
 106 tests=( test_ust_before_start test_ust_after_start )
 107
 108 for fct_test in ${tests[@]};
 109 do
 110         SESSION_NAME=$(randstring 16 0)
 111         ${fct_test}
 112
 113         # Validate test
 114         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
 115         if [ $? -eq 0 ]; then
 116                 # Only delete if successful
 117                 rm -rf $TRACE_PATH
 118         else
 119                 break
 120         fi
 121 done
 122
 123 stop_lttng_sessiond
 124 stop_lttng_relayd
 125
 126 exit $out