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=60
  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         validate_test_chunks $local_path $today kernel kernel 0
  52 }
  53
  54 function test_kernel_streaming ()
  55 {
  56         diag "Test kernel streaming with session rotation"
  57         create_lttng_session_uri $SESSION_NAME net://localhost
  58         rotate_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives"
  59 }
  60
  61 function test_kernel_local ()
  62 {
  63         diag "Test kernel local with session rotation"
  64         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  65
  66         rotate_kernel_test "${TRACE_PATH}/archives"
  67 }
  68
  69 function test_kernel_local_timer ()
  70 {
  71         diag "Test kernel local with session rotation timer"
  72         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  73         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  74         lttng_enable_rotation_timer_ok $SESSION_NAME 500ms
  75         start_lttng_tracing_ok $SESSION_NAME
  76
  77         rotate_timer_test "${TRACE_PATH}/archives" 0
  78 }
  79
  80 function test_kernel_streaming_timer ()
  81 {
  82         diag "Test kernel remote with session rotation timer"
  83         create_lttng_session_uri $SESSION_NAME net://localhost
  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}/${HOSTNAME}/${SESSION_NAME}*/archives" 0
  89 }
  90
  91 plan_tests $NUM_TESTS
  92
  93 print_test_banner "$TEST_DESC"
  94
  95 if [ "$(id -u)" == "0" ]; then
  96         isroot=1
  97 else
  98         isroot=0
  99 fi
 100
 101 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
 102 {
 103         validate_lttng_modules_present
 104
 105         start_lttng_relayd "-o $TRACE_PATH"
 106         start_lttng_sessiond
 107         modprobe lttng-test
 108
 109         tests=( test_kernel_streaming test_kernel_local test_kernel_local_timer test_kernel_streaming_timer)
 110
 111         for fct_test in ${tests[@]};
 112         do
 113                 SESSION_NAME=$(randstring 16 0)
 114                 ${fct_test}
 115                 clean_path $TRACE_PATH
 116         done
 117
 118         rmmod lttng-test
 119         stop_lttng_sessiond
 120         stop_lttng_relayd
 121 }
 122
 123 rm -rf $TRACE_PATH