tests/regression/ust/multi-session/test_multi_session

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="UST tracer - Multi-session"
   8
   9 CURDIR=$(dirname "$0")/
  10 TESTDIR=$CURDIR/../../..
  11 NR_ITER=100
  12 SESSION_NAME="multi-session"
  13 EVENT_NAME="ust_gen_nevents:tptest"
  14 NUM_TESTS=28
  15
  16 # shellcheck source=../../../utils/utils.sh
  17 source $TESTDIR/utils/utils.sh
  18
  19 if [ ! -x "$CURDIR/gen-nevents" ]; then
  20         BAIL_OUT "No UST nevents binary detected."
  21 fi
  22
  23 # MUST set TESTDIR before calling those functions
  24
  25 test_multi_session() {
  26         local out
  27
  28         # BEFORE application is spawned
  29         for i in $(seq 0 3); do
  30                 create_lttng_session_ok "$SESSION_NAME-$i" "$TRACE_PATH/$i"
  31                 enable_ust_lttng_event_ok "$SESSION_NAME-$i" "$EVENT_NAME$i"
  32                 start_lttng_tracing_ok "$SESSION_NAME-$i"
  33         done
  34
  35         "./$CURDIR/gen-nevents" $NR_ITER &
  36         ok $? "Start application to generate $NR_ITER events"
  37
  38         wait
  39         pass "Wait for events to record"
  40
  41         for i in $(seq 0 3); do
  42                 stop_lttng_tracing_ok "$SESSION_NAME-$i"
  43                 destroy_lttng_session_ok "$SESSION_NAME-$i"
  44                 out=$($BABELTRACE_BIN "$TRACE_PATH/$i" | grep -c "$EVENT_NAME$i")
  45                 if [ "$out" -ne $NR_ITER ]; then
  46                         fail "Trace validation of $SESSION_NAME-$i"
  47                         diag "No events found."
  48                         out=1
  49                         break
  50                 else
  51                         pass "Trace validation of $SESSION_NAME-$i"
  52                         diag "Found $out event(s) for $SESSION_NAME-$i."
  53                         out=0
  54                 fi
  55         done
  56
  57         return $out
  58 }
  59
  60 # MUST set TESTDIR before calling those functions
  61
  62 plan_tests $NUM_TESTS
  63
  64 print_test_banner "$TEST_DESC"
  65
  66 start_lttng_sessiond
  67
  68 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_multi_session_ust.XXXXXX)
  69
  70 test_multi_session
  71 out=$?
  72 if [ $out -ne 0 ]; then
  73         stop_lttng_sessiond
  74         exit $out
  75 fi
  76
  77 stop_lttng_sessiond
  78
  79 rm -rf "$TRACE_PATH"