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 lttng_create_session_uri
  33 {
  34         # Create session with default path
  35         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
  36
  37         ok $? "Create session $SESSION_NAME"
  38 }
  39
  40 function rotate_kernel_test ()
  41 {
  42         local_path=$1
  43
  44         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  45         start_lttng_tracing_ok $SESSION_NAME
  46
  47         today=$(date +%Y%m%d)
  48         # First chunk contains 10 events.
  49         echo -n "10" > /proc/lttng-test-filter-event
  50         rotate_session_ok $SESSION_NAME
  51
  52         # Second chunk contains 20 events.
  53         echo -n "20" > /proc/lttng-test-filter-event
  54         stop_lttng_tracing_ok $SESSION_NAME
  55
  56         # Third chunk contains no event (rotate after stop).
  57         rotate_session_ok $SESSION_NAME
  58
  59         destroy_lttng_session_ok $SESSION_NAME
  60
  61         # The tests on the chunk folder rely on the date staying the same during
  62         # the duration of the test, if this fail we will now why the other checks
  63         # fail afterwards. There is a short window of time where an automated test
  64         # could fail because of that.
  65         now=$(date +%Y%m%d)
  66         test $today = $now
  67         ok $? "Date did not change during the test"
  68
  69         validate_test_chunks $local_path $today kernel kernel 0
  70 }
  71
  72 function test_kernel_streaming ()
  73 {
  74         diag "Test kernel streaming with session rotation"
  75         lttng_create_session_uri
  76         rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
  77         clean_path $TRACE_PATH
  78 }
  79
  80 function test_kernel_local ()
  81 {
  82         diag "Test kernel local with session rotation"
  83         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  84
  85         rotate_kernel_test "${TRACE_PATH}"
  86 }
  87
  88 function test_kernel_local_timer ()
  89 {
  90         diag "Test kernel local with session rotation timer"
  91         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  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}" 0
  97 }
  98
  99 function test_kernel_streaming_timer ()
 100 {
 101         diag "Test kernel remote with session rotation timer"
 102         lttng_create_session_uri
 103         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
 104         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
 105         start_lttng_tracing_ok $SESSION_NAME
 106
 107         rotate_timer_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*" 0
 108         clean_path $TRACE_PATH
 109 }
 110
 111 plan_tests $NUM_TESTS
 112
 113 print_test_banner "$TEST_DESC"
 114
 115 if [ "$(id -u)" == "0" ]; then
 116         isroot=1
 117 else
 118         isroot=0
 119 fi
 120
 121 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 122 {
 123         validate_lttng_modules_present
 124
 125         start_lttng_relayd "-o $TRACE_PATH"
 126         start_lttng_sessiond
 127         modprobe lttng-test
 128
 129         tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
 130
 131         for fct_test in ${tests[@]};
 132         do
 133                 SESSION_NAME=$(randstring 16 0)
 134                 ${fct_test}
 135         done
 136
 137         rmmod lttng-test
 138         stop_lttng_sessiond
 139         stop_lttng_relayd
 140 }
 141
 142 rm -rf $TRACE_PATH