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
  29 TRACE_PATH=$(mktemp -d)
  30
  31 NUM_TESTS=16
  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 # MUST set TESTDIR before calling those functions
  40
  41 function test_ust_before_start ()
  42 {
  43         local file_sync_before_last=$(mktemp -u)
  44
  45         diag "Test UST streaming BEFORE tracing starts"
  46         create_lttng_session_uri $SESSION_NAME net://localhost
  47         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  48
  49         # Run 5 times with a 1 second delay
  50         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
  51
  52         start_lttng_tracing_ok $SESSION_NAME
  53
  54         touch ${file_sync_before_last}
  55
  56         # Wait for the applications started in background
  57         wait
  58
  59         stop_lttng_tracing_ok $SESSION_NAME
  60         destroy_lttng_session_ok $SESSION_NAME
  61         rm -f ${file_sync_before_last}
  62 }
  63
  64 function test_ust_after_start ()
  65 {
  66         local file_sync_after_first=$(mktemp -u)
  67
  68         diag "Test UST streaming AFTER tracing starts"
  69         create_lttng_session_uri $SESSION_NAME net://localhost
  70         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  71         start_lttng_tracing_ok $SESSION_NAME
  72
  73         # Run 5 times with a 1 second delay
  74         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  75                 --sync-after-first-event ${file_sync_after_first} >/dev/null 2>&1
  76
  77         while [ ! -f "${file_sync_after_first}" ]; do
  78                 sleep 0.5
  79         done
  80
  81         stop_lttng_tracing_ok $SESSION_NAME
  82         destroy_lttng_session_ok $SESSION_NAME
  83
  84         # Wait for the applications started in background
  85         wait
  86         rm -f ${file_sync_after_first}
  87 }
  88
  89 plan_tests $NUM_TESTS
  90
  91 print_test_banner "$TEST_DESC"
  92
  93 start_lttng_relayd "-o $TRACE_PATH"
  94 start_lttng_sessiond
  95
  96 tests=( test_ust_before_start test_ust_after_start )
  97
  98 for fct_test in ${tests[@]};
  99 do
 100         SESSION_NAME=$(randstring 16 0)
 101         ${fct_test}
 102
 103         # Validate test
 104         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
 105         if [ $? -eq 0 ]; then
 106                 # Only delete if successful
 107                 rm -rf $TRACE_PATH
 108         else
 109                 break
 110         fi
 111 done
 112
 113 stop_lttng_sessiond
 114 stop_lttng_relayd
 115
 116 exit $out