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 --tmpdir -d 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 if [ "$(id -u)" == "0" ]; then
  51         isroot=1
  52 else
  53         isroot=0
  54 fi
  55
  56 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  57 {
  58         validate_lttng_modules_present
  59
  60         start_lttng_relayd "-o $TRACE_PATH"
  61         start_lttng_sessiond
  62
  63         tests=( test_kernel_before_start )
  64
  65         for fct_test in ${tests[@]};
  66         do
  67                 SESSION_NAME=$(randstring 16 0)
  68                 ${fct_test}
  69
  70                 # Validate test
  71                 validate_trace_path_kernel_network "$TRACE_PATH" "$SESSION_NAME"
  72                 validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  73                 if [ $? -eq 0 ]; then
  74                         # Only delete if successful
  75                         rm -rf $TRACE_PATH
  76                 else
  77                         break
  78                 fi
  79         done
  80
  81         stop_lttng_sessiond
  82         stop_lttng_relayd
  83 }