tests/regression/tools/metadata-regen/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2015 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="Streaming - 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=18
  28
  29 source $TESTDIR/utils/utils.sh
  30
  31 # LTTng kernel modules check
  32 out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
  33 if [ -z "$out" ]; then
  34         BAIL_OUT "LTTng modules not detected."
  35 fi
  36
  37 function lttng_create_session_uri
  38 {
  39         # Create session with default path
  40         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME -U net://localhost >/dev/null 2>&1
  41
  42         ok $? "Create session $SESSION_NAME"
  43 }
  44
  45 function test_kernel_streaming ()
  46 {
  47         diag "Test kernel streaming with metadata regeneration"
  48         lttng_create_session_uri
  49         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  50         start_lttng_tracing_ok $SESSION_NAME
  51         echo -n "100" > /proc/lttng-test-filter-event
  52         metadata_regenerate_ok $SESSION_NAME
  53         stop_lttng_tracing_ok $SESSION_NAME
  54         # Validate test
  55         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
  56         if [ $? -eq 0 ]; then
  57                 # Only delete if successful
  58                 rm -rf $TRACE_PATH
  59         else
  60                 break
  61         fi
  62         destroy_lttng_session_ok $SESSION_NAME
  63 }
  64
  65 function test_kernel_local ()
  66 {
  67         diag "Test kernel local with metadata regeneration"
  68         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  69         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  70         start_lttng_tracing_ok $SESSION_NAME
  71         echo -n "100" > /proc/lttng-test-filter-event
  72         metadata_regenerate_ok $SESSION_NAME
  73         stop_lttng_tracing_ok $SESSION_NAME
  74         validate_trace $EVENT_NAME $TRACE_PATH
  75         if [ $? -eq 0 ]; then
  76                 # Only delete if successful
  77                 rm -rf $TRACE_PATH
  78         fi
  79         destroy_lttng_session_ok $SESSION_NAME
  80 }
  81
  82 plan_tests $NUM_TESTS
  83
  84 print_test_banner "$TEST_DESC"
  85
  86 if [ "$(id -u)" == "0" ]; then
  87         isroot=1
  88 else
  89         isroot=0
  90 fi
  91
  92 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  93 {
  94         start_lttng_relayd "-o $TRACE_PATH"
  95         start_lttng_sessiond
  96         modprobe lttng-test
  97
  98         tests=( test_kernel_streaming test_kernel_local )
  99
 100         for fct_test in ${tests[@]};
 101         do
 102                 SESSION_NAME=$(randstring 16 0)
 103                 ${fct_test}
 104         done
 105
 106         rmmod lttng-test
 107         stop_lttng_sessiond
 108         stop_lttng_relayd
 109 }