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 PID_RELAYD=0
  23 SESSION_NAME=""
  24 EVENT_NAME="lttng_statedump_start,lttng_statedump_end"
  25
  26 TRACE_PATH=$(mktemp -d)
  27
  28 NUM_TESTS=11
  29
  30 source $TESTDIR/utils/utils.sh
  31
  32 function test_kernel_local ()
  33 {
  34         diag "Test kernel local with statedump regeneration"
  35         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  36         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  37         start_lttng_tracing_ok $SESSION_NAME
  38         echo -n "100" > /proc/lttng-test-filter-event
  39         regenerate_statedump_ok $SESSION_NAME
  40         stop_lttng_tracing_ok $SESSION_NAME
  41         validate_trace_count $EVENT_NAME $TRACE_PATH 4
  42         if [ $? -eq 0 ]; then
  43                 # Only delete if successful
  44                 rm -rf $TRACE_PATH
  45         fi
  46         destroy_lttng_session_ok $SESSION_NAME
  47 }
  48
  49 plan_tests $NUM_TESTS
  50
  51 print_test_banner "$TEST_DESC"
  52
  53 if [ "$(id -u)" == "0" ]; then
  54         isroot=1
  55 else
  56         isroot=0
  57 fi
  58
  59 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  60 {
  61         validate_lttng_modules_present
  62         start_lttng_sessiond
  63         modprobe lttng-test
  64
  65         tests=( test_kernel_local )
  66
  67         for fct_test in ${tests[@]};
  68         do
  69                 SESSION_NAME=$(randstring 16 0)
  70                 ${fct_test}
  71         done
  72
  73         rmmod lttng-test
  74         stop_lttng_sessiond
  75 }