tests/regression/tools/rotation/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2017 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="Rotation - 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=68
  27
  28 source $TESTDIR/utils/utils.sh
  29 source $CURDIR/rotate_utils.sh
  30
  31 function rotate_kernel_test ()
  32 {
  33         local_path=$1
  34
  35         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  36         start_lttng_tracing_ok $SESSION_NAME
  37
  38         today=$(date +%Y%m%d)
  39         # First chunk contains 10 events.
  40         echo -n "10" > /proc/lttng-test-filter-event
  41         rotate_session_ok $SESSION_NAME
  42
  43         # Second chunk contains 20 events.
  44         echo -n "20" > /proc/lttng-test-filter-event
  45         stop_lttng_tracing_ok $SESSION_NAME
  46
  47         # Third chunk contains no event (rotate after stop).
  48         rotate_session_ok $SESSION_NAME
  49
  50         destroy_lttng_session_ok $SESSION_NAME
  51
  52         # The tests on the chunk folder rely on the date staying the same during
  53         # the duration of the test, if this fail we will now why the other checks
  54         # fail afterwards. There is a short window of time where an automated test
  55         # could fail because of that.
  56         now=$(date +%Y%m%d)
  57         test $today = $now
  58         ok $? "Date did not change during the test"
  59
  60         validate_test_chunks $local_path $today kernel kernel 0
  61 }
  62
  63 function test_kernel_streaming ()
  64 {
  65         diag "Test kernel streaming with session rotation"
  66         create_lttng_session_uri $SESSION_NAME net://localhost
  67         rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
  68         clean_path $TRACE_PATH
  69 }
  70
  71 function test_kernel_local ()
  72 {
  73         diag "Test kernel local with session rotation"
  74         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  75
  76         rotate_kernel_test "${TRACE_PATH}"
  77 }
  78
  79 function test_kernel_local_timer ()
  80 {
  81         diag "Test kernel local with session rotation timer"
  82         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  83         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  84         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  85         start_lttng_tracing_ok $SESSION_NAME
  86
  87         rotate_timer_test "${TRACE_PATH}" 0
  88 }
  89
  90 function test_kernel_streaming_timer ()
  91 {
  92         diag "Test kernel remote with session rotation timer"
  93         create_lttng_session_uri $SESSION_NAME net://localhost
  94         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  95         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  96         start_lttng_tracing_ok $SESSION_NAME
  97
  98         rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
  99         clean_path $TRACE_PATH
 100 }
 101
 102 plan_tests $NUM_TESTS
 103
 104 print_test_banner "$TEST_DESC"
 105
 106 if [ "$(id -u)" == "0" ]; then
 107         isroot=1
 108 else
 109         isroot=0
 110 fi
 111
 112 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 113 {
 114         validate_lttng_modules_present
 115
 116         start_lttng_relayd "-o $TRACE_PATH"
 117         start_lttng_sessiond
 118         modprobe lttng-test
 119
 120         tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
 121
 122         for fct_test in ${tests[@]};
 123         do
 124                 SESSION_NAME=$(randstring 16 0)
 125                 ${fct_test}
 126         done
 127
 128         rmmod lttng-test
 129         stop_lttng_sessiond
 130         stop_lttng_relayd
 131 }
 132
 133 rm -rf $TRACE_PATH