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 $? "Create session with default path"
  45 }
  46
  47 function wait_apps
  48 {
  49         while [ -n "$(pidof $TESTAPP_NAME)" ]; do
  50                 sleep 0.5
  51         done
  52         pass "Wait for applications to end"
  53 }
  54
  55 # MUST set TESTDIR before calling those functions
  56
  57 function test_ust_before_start ()
  58 {
  59         diag "Test UST streaming BEFORE tracing starts"
  60         lttng_create_session_uri
  61         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  62
  63         # Run 5 times with a 1 second delay
  64         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
  65
  66         #FIXME: racy missing synchro
  67
  68         start_lttng_tracing $SESSION_NAME
  69         # Wait for the applications started in background
  70         wait
  71
  72         stop_lttng_tracing $SESSION_NAME
  73         destroy_lttng_session $SESSION_NAME
  74 }
  75
  76 function test_ust_after_start ()
  77 {
  78         diag "Test UST streaming AFTER tracing starts"
  79         lttng_create_session_uri
  80         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  81         start_lttng_tracing $SESSION_NAME
  82
  83         # Run 5 times with a 1 second delay
  84         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
  85
  86         wait_apps
  87
  88         #FIXME: racy missing synchro
  89
  90         stop_lttng_tracing $SESSION_NAME
  91         destroy_lttng_session $SESSION_NAME
  92
  93         # Wait for the applications started in background
  94         wait
  95 }
  96
  97 plan_tests $NUM_TESTS
  98
  99 print_test_banner "$TEST_DESC"
 100
 101 start_lttng_relayd "-o $TRACE_PATH"
 102 start_lttng_sessiond
 103
 104 tests=( test_ust_before_start test_ust_after_start )
 105
 106 for fct_test in ${tests[@]};
 107 do
 108         SESSION_NAME=$(randstring 16 0)
 109         ${fct_test}
 110
 111         # Validate test
 112         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
 113         if [ $? -eq 0 ]; then
 114                 # Only delete if successful
 115                 rm -rf $TRACE_PATH
 116         else
 117                 break
 118         fi
 119 done
 120
 121 stop_lttng_sessiond
 122 stop_lttng_relayd
 123
 124 exit $out