tests/regression/tools/streaming/test_kernel

   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="Streaming - Kernel tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 EVENT_NAME="sched_switch"
  12 SESSION_NAME=""
  13
  14 TRACE_PATH=$(mktemp -d -t tmp.test_streaming_kernel_trace_path.XXXXXX)
  15
  16 NUM_TESTS=11
  17
  18 source $TESTDIR/utils/utils.sh
  19
  20 function test_kernel_before_start ()
  21 {
  22         diag "Test kernel streaming with event enable BEFORE start"
  23         create_lttng_session_uri $SESSION_NAME net://localhost
  24         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  25         start_lttng_tracing_ok $SESSION_NAME
  26         # Give a second
  27         sleep 1
  28         stop_lttng_tracing_ok $SESSION_NAME
  29         destroy_lttng_session_ok $SESSION_NAME
  30 }
  31
  32 # Deactivated since this feature is not yet available where we can enable
  33 # an event AFTERE tracing has started.
  34 function test_kernel_after_start ()
  35 {
  36         diag "Test kernel streaming with event enable AFTER start"
  37         create_lttng_session_uri $SESSION_NAME net://localhost
  38         start_lttng_tracing_ok $SESSION_NAME
  39         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  40         # Give a second
  41         sleep 1
  42         stop_lttng_tracing_ok $SESSION_NAME
  43         destroy_lttng_session_ok $SESSION_NAME
  44 }
  45
  46 plan_tests $NUM_TESTS
  47
  48 print_test_banner "$TEST_DESC"
  49
  50 check_skip_kernel_test "$NUM_TESTS" "Skipping all tests." ||
  51 {
  52         validate_lttng_modules_present
  53
  54         start_lttng_relayd "-o $TRACE_PATH"
  55         start_lttng_sessiond
  56
  57         tests=( test_kernel_before_start )
  58
  59         for fct_test in ${tests[@]};
  60         do
  61                 SESSION_NAME=$(randstring 16 0)
  62                 ${fct_test}
  63
  64                 # Validate test
  65                 validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME"
  66                 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  67                 if [ $? -eq 0 ]; then
  68                         # Only delete if successful
  69                         rm -rf $TRACE_PATH
  70                 else
  71                         break
  72                 fi
  73         done
  74
  75         stop_lttng_sessiond
  76         stop_lttng_relayd
  77 }