tests/regression/tools/regen-statedump/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2016 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # This library is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU Lesser General Public License as published by the Free
   7 # Software Foundation; version 2.1 of the License.
   8 #
   9 # This library is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11 # FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
  12 # details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public License
  15 # along with this library; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  17 TEST_DESC="Regenerate the statedump - Kernel tracing"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 EVENT_NAME="lttng_test_filter_event"
  22 SESSION_NAME=""
  23 EVENT_NAME="lttng_statedump_start,lttng_statedump_end"
  24
  25 TRACE_PATH=$(mktemp -d)
  26
  27 NUM_TESTS=11
  28
  29 source $TESTDIR/utils/utils.sh
  30
  31 function test_kernel_local ()
  32 {
  33         diag "Test kernel local with statedump regeneration"
  34         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  35         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  36         start_lttng_tracing_ok $SESSION_NAME
  37         echo -n "100" > /proc/lttng-test-filter-event
  38         regenerate_statedump_ok $SESSION_NAME
  39         stop_lttng_tracing_ok $SESSION_NAME
  40         validate_trace_count $EVENT_NAME $TRACE_PATH 4
  41         if [ $? -eq 0 ]; then
  42                 # Only delete if successful
  43                 rm -rf $TRACE_PATH
  44         fi
  45         destroy_lttng_session_ok $SESSION_NAME
  46 }
  47
  48 plan_tests $NUM_TESTS
  49
  50 print_test_banner "$TEST_DESC"
  51
  52 if [ "$(id -u)" == "0" ]; then
  53         isroot=1
  54 else
  55         isroot=0
  56 fi
  57
  58 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  59 {
  60         validate_lttng_modules_present
  61         start_lttng_sessiond
  62         modprobe lttng-test
  63
  64         tests=( test_kernel_local )
  65
  66         for fct_test in ${tests[@]};
  67         do
  68                 SESSION_NAME=$(randstring 16 0)
  69                 ${fct_test}
  70         done
  71
  72         rmmod lttng-test
  73         stop_lttng_sessiond
  74 }