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 NR_ITER=100
  18 TEST_DESC="UST tracer - Generate $NR_ITER process"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../../..
  22 TEST_BIN_NAME="gen-events-time"
  23 SESSION_NAME="ust-nprocesses"
  24 EVENT_NAME="ust_gen_event:tptest"
  25 TEST_WAIT_SEC=5
  26 NUM_TESTS=9
  27
  28 source $TESTDIR/utils/utils.sh
  29
  30 print_test_banner "$TEST_DESC"
  31
  32 if [ ! -x "$CURDIR/$TEST_BIN_NAME" ]; then
  33         BAIL_OUT "No UST $TEST_BIN_NAME binary detected."
  34 fi
  35
  36 # MUST set TESTDIR before calling those functions
  37
  38 plan_tests $NUM_TESTS
  39
  40 start_lttng_sessiond
  41
  42 # Start test for 1000 seconds
  43
  44 for i in `seq 1 $NR_ITER`
  45 do
  46         ./$CURDIR/$TEST_BIN_NAME 1000 >/dev/null 2>&1 &
  47 done
  48
  49 sleep 3
  50
  51 listing=$($TESTDIR/../src/bin/lttng/$LTTNG_BIN list -u)
  52 reg_app_count=$(echo -n $listing | sed "s/$TEST_BIN_NAME/$TEST_BIN_NAME\n/g" | grep "$TEST_BIN_NAME" | wc -l)
  53 if [ "$reg_app_count" -ne "$NR_ITER" ]; then
  54         fail "Trace validation"
  55         diag "$reg_app_count apps listed. Expected $NR_ITER "
  56 else
  57         pass "Trace validation"
  58 fi
  59
  60 TRACE_PATH=$(mktemp -d)
  61
  62 create_lttng_session $SESSION_NAME $TRACE_PATH
  63
  64 enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
  65 start_lttng_tracing $SESSION_NAME
  66
  67 diag "Sleeping $TEST_WAIT_SEC seconds for tracing to start everywhere"
  68 diag "Warning: this arbitrary time can make the test fail on slower system"
  69
  70 sleep $TEST_WAIT_SEC
  71
  72 stop_lttng_tracing $SESSION_NAME
  73 destroy_lttng_session $SESSION_NAME
  74
  75 rm -rf $TRACE_PATH
  76
  77 # Send SIGPIPE to 'silence' bash process status such as "Process as terminated"
  78 killall -s PIPE -q $TEST_BIN_NAME >/dev/null 2>&1
  79
  80 pass "Kill all spawned applications"
  81
  82 stop_lttng_sessiond