tests/regression/ust/nprocesses/test_nprocesses

   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 NUM_PROCESS=30
  18 TEST_DESC="UST tracer - Generate $NUM_PROCESS process"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../../..
  22 NR_ITER=1000
  23 NR_USEC_WAIT=1000000
  24 TESTAPP_PATH="$TESTDIR/utils/testapp"
  25 TESTAPP_NAME="gen-ust-events"
  26 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  27 SESSION_NAME="ust-nprocesses"
  28 EVENT_NAME="tp:tptest"
  29 TEST_WAIT_SEC=5
  30 NUM_TESTS=9
  31
  32 source $TESTDIR/utils/utils.sh
  33
  34 if [ ! -x "$TESTAPP_BIN" ]; then
  35         BAIL_OUT "No UST $TESTAPP_BIN binary detected."
  36 fi
  37
  38 # MUST set TESTDIR before calling those functions
  39
  40 plan_tests $NUM_TESTS
  41
  42 print_test_banner "$TEST_DESC"
  43
  44 start_lttng_sessiond
  45
  46 # Start test for 1000 seconds
  47
  48 for i in `seq 1 $NUM_PROCESS`
  49 do
  50         $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT >/dev/null 2>&1 &
  51 done
  52
  53 reg_app_count=0
  54 while [ $reg_app_count -ne $NUM_PROCESS ]; do
  55         listing=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list -u)
  56         reg_app_count=$(echo -n $listing | sed "s#$TESTAPP_BIN#$TESTAPP_BIN\n#g" | grep "$TESTAPP_BIN" | wc -l)
  57 done
  58
  59 pass "Trace validation"
  60
  61 TRACE_PATH=$(mktemp -d)
  62
  63 create_lttng_session $SESSION_NAME $TRACE_PATH
  64
  65 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  66 start_lttng_tracing $SESSION_NAME
  67
  68 diag "Sleeping $TEST_WAIT_SEC seconds for tracing to start everywhere"
  69 diag "Warning: this arbitrary time can make the test fail on slower system"
  70
  71 sleep $TEST_WAIT_SEC
  72
  73 stop_lttng_tracing $SESSION_NAME
  74 destroy_lttng_session $SESSION_NAME
  75
  76 rm -rf $TRACE_PATH
  77
  78 while [ -n "$(pidof $TESTAPP_NAME)" ]; do
  79         killall -q $TESTAPP_NAME >/dev/null 2>&1
  80         sleep 0.5
  81 done
  82
  83
  84 pass "Kill all spawned applications"
  85
  86 stop_lttng_sessiond