tests/regression/kernel/test_event_basic

   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 - Basic event"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../..
  22 NUM_TESTS=20
  23
  24 source $TESTDIR/utils/utils.sh
  25
  26 function test_event_basic()
  27 {
  28         TRACE_PATH=$(mktemp -d)
  29         SESSION_NAME="kernel_event_basic"
  30
  31         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  32
  33         lttng_enable_kernel_event $SESSION_NAME "sched_switch"
  34         lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
  35         lttng_enable_kernel_event $SESSION_NAME "sched_process_free"
  36
  37         start_lttng_tracing_ok
  38         stop_lttng_tracing_ok
  39
  40         validate_trace "sched_switch" $TRACE_PATH
  41         validate_trace "sched_process_exit" $TRACE_PATH
  42         validate_trace "sched_process_free" $TRACE_PATH
  43
  44         destroy_lttng_session_ok $SESSION_NAME
  45
  46         rm -rf $TRACE_PATH
  47 }
  48
  49 function test_enable_after_start()
  50 {
  51         TRACE_PATH=$(mktemp -d)
  52         SESSION_NAME="kernel_enable_after_start"
  53
  54         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  55
  56         lttng_enable_kernel_event $SESSION_NAME "sched_switch"
  57
  58         start_lttng_tracing_ok
  59         lttng_enable_kernel_event $SESSION_NAME "sched_process_exit"
  60         stop_lttng_tracing_ok
  61
  62         validate_trace "sched_switch" $TRACE_PATH
  63         validate_trace "sched_process_exit" $TRACE_PATH
  64
  65         destroy_lttng_session_ok $SESSION_NAME
  66
  67         rm -rf $TRACE_PATH
  68 }
  69
  70 # MUST set TESTDIR before calling those functions
  71 plan_tests $NUM_TESTS
  72
  73 print_test_banner "$TEST_DESC"
  74
  75 if [ "$(id -u)" == "0" ]; then
  76         isroot=1
  77 else
  78         isroot=0
  79 fi
  80
  81 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
  82 {
  83         start_lttng_sessiond
  84
  85         test_event_basic
  86         test_enable_after_start
  87
  88         stop_lttng_sessiond
  89 }