tests/regression/kernel/test_all_events

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
   4 #
   5 # SPDX-License-Identifier: GPL-2.0-only
   6 #
   7
   8 TEST_DESC="Kernel tracer - All events"
   9
  10 CURDIR=$(dirname $0)/
  11 TESTDIR=$CURDIR/../..
  12 NUM_TESTS=8
  13
  14 TESTCMD="/bin/true"
  15
  16 source $TESTDIR/utils/utils.sh
  17
  18 function test_all_event()
  19 {
  20         local TRACE_PATH=$(mktemp --tmpdir -d "tmp.${FUNCNAME[0]}_trace_path.XXXXXX")
  21         SESSION_NAME="kernel_all_events_basic"
  22
  23         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  24
  25         lttng_enable_kernel_event $SESSION_NAME
  26
  27         start_lttng_tracing_ok
  28
  29         # Running a process and waiting for its completion forces the triggering of a
  30         # sched_switch event
  31         eval ${TESTCMD}
  32         stop_lttng_tracing_ok
  33
  34         validate_trace "sched_switch" $TRACE_PATH
  35
  36         destroy_lttng_session_ok $SESSION_NAME
  37
  38         rm -rf $TRACE_PATH
  39 }
  40
  41 # MUST set TESTDIR before calling those functions
  42 plan_tests $NUM_TESTS
  43
  44 print_test_banner "$TEST_DESC"
  45
  46 if [ "$(id -u)" == "0" ]; then
  47         isroot=1
  48 else
  49         isroot=0
  50 fi
  51
  52 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
  53 {
  54         validate_lttng_modules_present
  55         start_lttng_sessiond
  56
  57         test_all_event
  58
  59         stop_lttng_sessiond
  60 }