tests/tools/streaming/run-kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2012 David Goulet <dgoulet@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
  18 CURDIR=$(dirname $0)/
  19 TESTDIR=$CURDIR/../..
  20 EVENT_NAME="sched_switch"
  21 PID_RELAYD=0
  22 SESSION_NAME=""
  23
  24 TRACE_PATH=$(mktemp -d)
  25
  26 source $TESTDIR/utils.sh
  27
  28 echo -e "\n---------------------------"
  29 echo -e " Streaming - Kernel tracing "
  30 echo -e "----------------------------"
  31
  32 if [ "$(id -u)" != "0" ]; then
  33         echo "This test must be running as root. Aborting"
  34         # Exit status 0 so the tests can continue
  35         exit 0
  36 fi
  37
  38 # LTTng kernel modules check
  39 out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
  40 if [ -z "$out" ]; then
  41         echo "LTTng modules not detected. Aborting kernel tests!"
  42         echo ""
  43         # Exit status 0 so the tests can continue
  44         exit 0
  45 fi
  46
  47 function lttng_create_session
  48 {
  49         echo -n "Creating session $SESSION_NAME... "
  50         # Create session with default path
  51         $TESTDIR/../src/bin/lttng/$LTTNG_BIN create $SESSION_NAME >/dev/null 2>&1
  52         if [ $? -eq 1 ]; then
  53                 echo -e '\e[1;31mFAILED\e[0m'
  54                 return 1
  55         else
  56                 echo -e "\e[1;32mOK\e[0m"
  57         fi
  58 }
  59
  60 function lttng_enable_consumer_localhost
  61 {
  62         echo -n "Enabling network consumer... "
  63         # Create session with default path
  64         $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-consumer -k net://localhost >/dev/null 2>&1
  65         if [ $? -eq 1 ]; then
  66                 echo -e '\e[1;31mFAILED\e[0m'
  67                 return 1
  68         else
  69                 echo -e "\e[1;32mOK\e[0m"
  70         fi
  71 }
  72
  73 function test_kernel_before_start ()
  74 {
  75         echo -e "\n=== Testing kernel streaming with event enable BEFORE start\n"
  76         lttng_create_session
  77         lttng_enable_consumer_localhost
  78         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  79         start_tracing $SESSION_NAME
  80         # Give a second
  81         sleep 1
  82         stop_tracing $SESSION_NAME
  83         destroy_lttng_session $SESSION_NAME
  84 }
  85
  86 # Deactivated since this feature is not yet available where we can enable
  87 # an event AFTERE tracing has started.
  88 function test_kernel_after_start ()
  89 {
  90         echo -e "\n=== Testing kernel streaming with event enable AFTER start\n"
  91         lttng_create_session
  92         lttng_enable_consumer_localhost
  93         start_tracing $SESSION_NAME
  94         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  95         # Give a second
  96         sleep 1
  97         stop_tracing $SESSION_NAME
  98         destroy_lttng_session $SESSION_NAME
  99 }
 100
 101 start_sessiond
 102 lttng_start_relayd "-o $TRACE_PATH"
 103
 104 tests=( test_kernel_before_start )
 105
 106 for fct_test in ${tests[@]};
 107 do
 108         SESSION_NAME=$(randstring 16 0)
 109         ${fct_test}
 110
 111         # Validate test
 112         validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
 113         if [ $? -eq 0 ]; then
 114                 # Only delete if successful
 115                 rm -rf $TRACE_PATH
 116         else
 117                 break
 118         fi
 119 done
 120
 121 echo ""
 122 stop_sessiond
 123 lttng_stop_relayd
 124
 125
 126 exit $out