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 $TESTAPP_NAME)" ]; do
  50                 sleep 0.5
  51         done
  52         pass "Wait for applications to end"
  53 }
  54
  55 # MUST set TESTDIR before calling those functions
  56
  57 function test_ust_before_start ()
  58 {
  59         local file_sync_after_first=$(mktemp -u)
  60         local file_sync_before_last=$(mktemp -u)
  61
  62         diag "Test UST streaming BEFORE tracing starts"
  63         lttng_create_session_uri
  64         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  65
  66         # Run 5 times with a 1 second delay
  67         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
  68
  69         start_lttng_tracing $SESSION_NAME
  70
  71         touch ${file_sync_before_last}
  72
  73         # Wait for the applications started in background
  74         wait
  75
  76         stop_lttng_tracing $SESSION_NAME
  77         destroy_lttng_session $SESSION_NAME
  78         rm -f ${file_sync_after_first}
  79         rm -f ${file_sync_before_last}
  80 }
  81
  82 function test_ust_after_start ()
  83 {
  84         local file_sync_after_first=$(mktemp -u)
  85
  86         diag "Test UST streaming AFTER tracing starts"
  87         lttng_create_session_uri
  88         enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  89         start_lttng_tracing $SESSION_NAME
  90
  91         # Run 5 times with a 1 second delay
  92         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} >/dev/null 2>&1
  93
  94         while [ ! -f "${file_sync_after_first}" ]; do
  95                 sleep 0.5
  96         done
  97
  98         stop_lttng_tracing $SESSION_NAME
  99         destroy_lttng_session $SESSION_NAME
 100
 101         # Wait for the applications started in background
 102         wait
 103         rm -f ${file_sync_after_first}
 104 }
 105
 106 plan_tests $NUM_TESTS
 107
 108 print_test_banner "$TEST_DESC"
 109
 110 start_lttng_relayd "-o $TRACE_PATH"
 111 start_lttng_sessiond
 112
 113 tests=( test_ust_before_start test_ust_after_start )
 114
 115 for fct_test in ${tests[@]};
 116 do
 117         SESSION_NAME=$(randstring 16 0)
 118         ${fct_test}
 119
 120         # Validate test
 121         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
 122         if [ $? -eq 0 ]; then
 123                 # Only delete if successful
 124                 rm -rf $TRACE_PATH
 125         else
 126                 break
 127         fi
 128 done
 129
 130 stop_lttng_sessiond
 131 stop_lttng_relayd
 132
 133 exit $out