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
  23 TRACE_PATH=$(mktemp -d)
  24
  25 NUM_TESTS=68
  26
  27 source $TESTDIR/utils/utils.sh
  28 source $CURDIR/rotate_utils.sh
  29
  30 function rotate_kernel_test ()
  31 {
  32         local_path=$1
  33
  34         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  35         start_lttng_tracing_ok $SESSION_NAME
  36
  37         today=$(date +%Y%m%d)
  38         # First chunk contains 10 events.
  39         echo -n "10" > /proc/lttng-test-filter-event
  40         rotate_session_ok $SESSION_NAME
  41
  42         # Second chunk contains 20 events.
  43         echo -n "20" > /proc/lttng-test-filter-event
  44         stop_lttng_tracing_ok $SESSION_NAME
  45
  46         # Third chunk contains no event (rotate after stop).
  47         rotate_session_ok $SESSION_NAME
  48
  49         destroy_lttng_session_ok $SESSION_NAME
  50
  51         # The tests on the chunk folder rely on the date staying the same during
  52         # the duration of the test, if this fail we will now why the other checks
  53         # fail afterwards. There is a short window of time where an automated test
  54         # could fail because of that.
  55         now=$(date +%Y%m%d)
  56         test $today = $now
  57         ok $? "Date did not change during the test"
  58
  59         validate_test_chunks $local_path $today kernel kernel 0
  60 }
  61
  62 function test_kernel_streaming ()
  63 {
  64         diag "Test kernel streaming with session rotation"
  65         create_lttng_session_uri $SESSION_NAME net://localhost
  66         rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
  67 }
  68
  69 function test_kernel_local ()
  70 {
  71         diag "Test kernel local with session rotation"
  72         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  73
  74         rotate_kernel_test "${TRACE_PATH}"
  75 }
  76
  77 function test_kernel_local_timer ()
  78 {
  79         diag "Test kernel local with session rotation timer"
  80         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  81         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  82         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  83         start_lttng_tracing_ok $SESSION_NAME
  84
  85         rotate_timer_test "${TRACE_PATH}" 0
  86 }
  87
  88 function test_kernel_streaming_timer ()
  89 {
  90         diag "Test kernel remote with session rotation timer"
  91         create_lttng_session_uri $SESSION_NAME net://localhost
  92         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  93         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  94         start_lttng_tracing_ok $SESSION_NAME
  95
  96         rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
  97 }
  98
  99 plan_tests $NUM_TESTS
 100
 101 print_test_banner "$TEST_DESC"
 102
 103 if [ "$(id -u)" == "0" ]; then
 104         isroot=1
 105 else
 106         isroot=0
 107 fi
 108
 109 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 110 {
 111         validate_lttng_modules_present
 112
 113         start_lttng_relayd "-o $TRACE_PATH"
 114         start_lttng_sessiond
 115         modprobe lttng-test
 116
 117         tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
 118
 119         for fct_test in ${tests[@]};
 120         do
 121                 SESSION_NAME=$(randstring 16 0)
 122                 ${fct_test}
 123                 clean_path $TRACE_PATH
 124         done
 125
 126         rmmod lttng-test
 127         stop_lttng_sessiond
 128         stop_lttng_relayd
 129 }
 130
 131 rm -rf $TRACE_PATH