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 PID_RELAYD=0
  23 SESSION_NAME=""
  24
  25 TRACE_PATH=$(mktemp -d)
  26
  27 NUM_TESTS=68
  28
  29 source $TESTDIR/utils/utils.sh
  30 source $CURDIR/rotate_utils.sh
  31
  32 function rotate_kernel_test ()
  33 {
  34         local_path=$1
  35
  36         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  37         start_lttng_tracing_ok $SESSION_NAME
  38
  39         today=$(date +%Y%m%d)
  40         # First chunk contains 10 events.
  41         echo -n "10" > /proc/lttng-test-filter-event
  42         rotate_session_ok $SESSION_NAME
  43
  44         # Second chunk contains 20 events.
  45         echo -n "20" > /proc/lttng-test-filter-event
  46         stop_lttng_tracing_ok $SESSION_NAME
  47
  48         # Third chunk contains no event (rotate after stop).
  49         rotate_session_ok $SESSION_NAME
  50
  51         destroy_lttng_session_ok $SESSION_NAME
  52
  53         # The tests on the chunk folder rely on the date staying the same during
  54         # the duration of the test, if this fail we will now why the other checks
  55         # fail afterwards. There is a short window of time where an automated test
  56         # could fail because of that.
  57         now=$(date +%Y%m%d)
  58         test $today = $now
  59         ok $? "Date did not change during the test"
  60
  61         validate_test_chunks $local_path $today kernel kernel 0
  62 }
  63
  64 function test_kernel_streaming ()
  65 {
  66         diag "Test kernel streaming with session rotation"
  67         create_lttng_session_uri $SESSION_NAME net://localhost
  68         rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
  69         clean_path $TRACE_PATH
  70 }
  71
  72 function test_kernel_local ()
  73 {
  74         diag "Test kernel local with session rotation"
  75         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  76
  77         rotate_kernel_test "${TRACE_PATH}"
  78 }
  79
  80 function test_kernel_local_timer ()
  81 {
  82         diag "Test kernel local with session rotation timer"
  83         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  84         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  85         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  86         start_lttng_tracing_ok $SESSION_NAME
  87
  88         rotate_timer_test "${TRACE_PATH}" 0
  89 }
  90
  91 function test_kernel_streaming_timer ()
  92 {
  93         diag "Test kernel remote with session rotation timer"
  94         create_lttng_session_uri $SESSION_NAME net://localhost
  95         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  96         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  97         start_lttng_tracing_ok $SESSION_NAME
  98
  99         rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
 100         clean_path $TRACE_PATH
 101 }
 102
 103 plan_tests $NUM_TESTS
 104
 105 print_test_banner "$TEST_DESC"
 106
 107 if [ "$(id -u)" == "0" ]; then
 108         isroot=1
 109 else
 110         isroot=0
 111 fi
 112
 113 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 114 {
 115         validate_lttng_modules_present
 116
 117         start_lttng_relayd "-o $TRACE_PATH"
 118         start_lttng_sessiond
 119         modprobe lttng-test
 120
 121         tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
 122
 123         for fct_test in ${tests[@]};
 124         do
 125                 SESSION_NAME=$(randstring 16 0)
 126                 ${fct_test}
 127         done
 128
 129         rmmod lttng-test
 130         stop_lttng_sessiond
 131         stop_lttng_relayd
 132 }
 133
 134 rm -rf $TRACE_PATH