tests/regression/tools/regen-metadata/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2015 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="Streaming - Kernel tracing"
  18
  19 CURDIR=$(dirname $0)/
  20 TESTDIR=$CURDIR/../../..
  21 EVENT_NAME="lttng_test_filter_event"
  22 SESSION_NAME=""
  23
  24 TRACE_PATH=$(mktemp -d)
  25
  26 NUM_TESTS=18
  27
  28 source $TESTDIR/utils/utils.sh
  29
  30 function test_kernel_streaming ()
  31 {
  32         diag "Test kernel streaming with metadata regeneration"
  33         create_lttng_session_uri $SESSION_NAME net://localhost
  34         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  35         start_lttng_tracing_ok $SESSION_NAME
  36         echo -n "100" > /proc/lttng-test-filter-event
  37         regenerate_metadata_ok $SESSION_NAME
  38         stop_lttng_tracing_ok $SESSION_NAME
  39         # Validate test
  40         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  41         if [ $? -eq 0 ]; then
  42                 # Only delete if successful
  43                 rm -rf $TRACE_PATH
  44         else
  45                 break
  46         fi
  47         destroy_lttng_session_ok $SESSION_NAME
  48 }
  49
  50 function test_kernel_local ()
  51 {
  52         diag "Test kernel local with metadata regeneration"
  53         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  54         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  55         start_lttng_tracing_ok $SESSION_NAME
  56         echo -n "100" > /proc/lttng-test-filter-event
  57         regenerate_metadata_ok $SESSION_NAME
  58         stop_lttng_tracing_ok $SESSION_NAME
  59         validate_trace $EVENT_NAME $TRACE_PATH
  60         if [ $? -eq 0 ]; then
  61                 # Only delete if successful
  62                 rm -rf $TRACE_PATH
  63         fi
  64         destroy_lttng_session_ok $SESSION_NAME
  65 }
  66
  67 plan_tests $NUM_TESTS
  68
  69 print_test_banner "$TEST_DESC"
  70
  71 if [ "$(id -u)" == "0" ]; then
  72         isroot=1
  73 else
  74         isroot=0
  75 fi
  76
  77 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  78 {
  79         validate_lttng_modules_present
  80
  81         start_lttng_relayd "-o $TRACE_PATH"
  82         start_lttng_sessiond
  83         modprobe lttng-test
  84
  85         tests=( test_kernel_streaming test_kernel_local )
  86
  87         for fct_test in ${tests[@]};
  88         do
  89                 SESSION_NAME=$(randstring 16 0)
  90                 ${fct_test}
  91         done
  92
  93         rmmod lttng-test
  94         stop_lttng_sessiond
  95         stop_lttng_relayd
  96 }