tests/regression/kernel/test_all_events

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
   4 #
   5 # This program is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License, version 2 only, as
   7 # published by the Free Software Foundation.
   8 #
   9 # This program is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 # more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along with
  15 # this program; if not, write to the Free Software Foundation, Inc., 51
  16 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 TEST_DESC="Kernel tracer - All events"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../..
  22 NUM_TESTS=8
  23
  24 TESTCMD="/bin/true"
  25
  26 source $TESTDIR/utils/utils.sh
  27
  28 function test_all_event()
  29 {
  30         TRACE_PATH=$(mktemp -d)
  31         SESSION_NAME="kernel_all_events_basic"
  32
  33         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  34
  35         lttng_enable_kernel_event $SESSION_NAME
  36
  37         start_lttng_tracing_ok
  38
  39         # Running a process and waiting for its completion forces the triggering of a
  40         # sched_switch event
  41         eval ${TESTCMD}
  42         stop_lttng_tracing_ok
  43
  44         validate_trace "sched_switch" $TRACE_PATH
  45
  46         destroy_lttng_session_ok $SESSION_NAME
  47
  48         rm -rf $TRACE_PATH
  49 }
  50
  51 # MUST set TESTDIR before calling those functions
  52 plan_tests $NUM_TESTS
  53
  54 print_test_banner "$TEST_DESC"
  55
  56 if [ "$(id -u)" == "0" ]; then
  57         isroot=1
  58 else
  59         isroot=0
  60 fi
  61
  62 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
  63 {
  64         start_lttng_sessiond
  65
  66         test_all_event
  67
  68         stop_lttng_sessiond
  69 }