tests/regression/tools/channel/test_channel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com>
   4 #
   5 # SPDX-License-Identifier: GPL-2.0-only
   6
   7 TEST_DESC="LTTng - Channel tests"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 TESTAPP_PATH="$TESTDIR/utils/testapp"
  12 TESTAPP_NAME="gen-ust-events"
  13 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  14 NR_ITER=100
  15 NR_USEC_WAIT=1
  16 NUM_TESTS=14
  17
  18 source $TESTDIR/utils/utils.sh
  19
  20 function test_channel_disable_stopped_session()
  21 {
  22         local TRACE_PATH=$(mktemp -d -t "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
  23         local SESSION_NAME="test_channel"
  24         local CHAN_NAME="channel0"
  25         local EVENT_NAME="tp:tptest"
  26
  27         diag "Test channel disable on stop session"
  28
  29         create_lttng_session_ok "$SESSION_NAME" "$TRACE_PATH"
  30
  31         enable_ust_lttng_channel_ok "$SESSION_NAME" "$CHAN_NAME"
  32
  33         enable_ust_lttng_event_ok "$SESSION_NAME" "$EVENT_NAME" "$CHAN_NAME"
  34
  35         start_lttng_tracing_ok "$SESSION_NAME"
  36
  37         "$TESTAPP_BIN" -i "$NR_ITER" -w "$NR_USEC_WAIT"
  38
  39         stop_lttng_tracing_ok "$SESSION_NAME"
  40
  41         trace_match_only "$EVENT_NAME" "$NR_ITER" "$TRACE_PATH"
  42
  43         lttng_clear_session_ok "$SESSION_NAME"
  44
  45         disable_ust_lttng_channel "$SESSION_NAME" "$CHAN_NAME"
  46
  47         start_lttng_tracing_ok "$SESSION_NAME"
  48
  49         # The channel is disabled so no events should be emited by this app.
  50         "$TESTAPP_BIN" -i "$NR_ITER" -w "$NR_USEC_WAIT"
  51
  52         stop_lttng_tracing_ok "$SESSION_NAME"
  53
  54         trace_match_only "$EVENT_NAME" 0 "$TRACE_PATH"
  55
  56         destroy_lttng_session_ok $SESSION_NAME
  57
  58         rm -rf $TRACE_PATH
  59 }
  60
  61
  62 # MUST set TESTDIR before calling those functions
  63 plan_tests $NUM_TESTS
  64
  65 print_test_banner "$TEST_DESC"
  66
  67 bail_out_if_no_babeltrace
  68
  69 start_lttng_sessiond
  70
  71 if [ ! -x "$TESTAPP_BIN" ]; then
  72         BAIL_OUT "No UST nevents binary detected."
  73 fi
  74
  75 test_channel_disable_stopped_session
  76
  77 stop_lttng_sessiond