tests/regression/ust/before-after/test_before_after

   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 - Start tracing before and after execution"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 NR_ITER=100
  12 NR_USEC_WAIT=100000
  13 TESTAPP_PATH="$TESTDIR/utils/testapp"
  14 TESTAPP_NAME="gen-ust-events"
  15 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  16 SESSION_NAME="per-session"
  17 EVENT_NAME="tp:tptest"
  18 NUM_TESTS=16
  19
  20 source $TESTDIR/utils/utils.sh
  21
  22 if [ ! -x "$TESTAPP_BIN" ]; then
  23         BAIL_OUT "No UST nevents binary detected."
  24 fi
  25
  26 # MUST set TESTDIR before calling those functions
  27
  28 function test_before_apps()
  29 {
  30         # BEFORE application is spawned
  31         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  32         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  33         start_lttng_tracing_ok $SESSION_NAME
  34
  35         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT &
  36         wait
  37         ok $? "Traced application stopped."
  38
  39         stop_lttng_tracing_ok $SESSION_NAME
  40         destroy_lttng_session_ok $SESSION_NAME
  41
  42         trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH
  43
  44         return $?
  45 }
  46
  47 function test_after_apps()
  48 {
  49         local out
  50         local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
  51         local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
  52
  53         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  54         enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
  55
  56         $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
  57                 --sync-after-first-event ${file_sync_after_first} \
  58                 --sync-before-last-event ${file_sync_before_last} &
  59         ok $? "Application started in background."
  60
  61         start_lttng_tracing_ok $SESSION_NAME
  62
  63         touch ${file_sync_before_last}
  64
  65         wait
  66
  67         stop_lttng_tracing_ok $SESSION_NAME
  68         destroy_lttng_session_ok $SESSION_NAME
  69
  70         rm -f ${file_sync_after_first}
  71         rm -f ${file_sync_before_last}
  72
  73         validate_trace $EVENT_NAME $TRACE_PATH
  74         out=$?
  75
  76         return $out
  77 }
  78
  79 # MUST set TESTDIR before calling those functions
  80 plan_tests $NUM_TESTS
  81
  82 print_test_banner "$TEST_DESC"
  83
  84 start_lttng_sessiond
  85
  86 diag "Start tracing BEFORE application is started"
  87
  88 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_before_after_ust_trace_path.XXXXXX)
  89
  90 test_before_apps
  91 out=$?
  92 if [ $out -ne 0 ]; then
  93         stop_lttng_sessiond
  94         exit $out
  95 fi
  96
  97 rm -rf $TRACE_PATH
  98
  99 diag "Start tracing AFTER application is started"
 100
 101 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_before_after_ust_trace_path.XXXXXX)
 102
 103 test_after_apps
 104 out=$?
 105 if [ $out -ne 0 ]; then
 106         stop_lttng_sessiond
 107         exit $out
 108 fi
 109
 110 stop_lttng_sessiond
 111
 112 rm -rf $TRACE_PATH