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