tests/regression/tools/regen-statedump/test_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2016 Julien Desfossez <jdesfossez@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Regenerate the statedump - Kernel tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 EVENT_NAME="lttng_test_filter_event"
  12 SESSION_NAME=""
  13 EVENT_NAME="lttng_statedump_start,lttng_statedump_end"
  14
  15 TRACE_PATH=$(mktemp --tmpdir -d tmp.test_regenerate_statedump_kernel_trace_path.XXXXXX)
  16
  17 NUM_TESTS=11
  18
  19 source $TESTDIR/utils/utils.sh
  20
  21 function test_kernel_local ()
  22 {
  23         diag "Test kernel local with statedump regeneration"
  24         create_lttng_session_ok $SESSION_NAME $TRACE_PATH
  25         lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
  26         start_lttng_tracing_ok $SESSION_NAME
  27         echo -n "100" > /proc/lttng-test-filter-event
  28         regenerate_statedump_ok $SESSION_NAME
  29         stop_lttng_tracing_ok $SESSION_NAME
  30         validate_trace_count $EVENT_NAME $TRACE_PATH 4
  31         if [ $? -eq 0 ]; then
  32                 # Only delete if successful
  33                 rm -rf $TRACE_PATH
  34         fi
  35         destroy_lttng_session_ok $SESSION_NAME
  36 }
  37
  38 plan_tests $NUM_TESTS
  39
  40 print_test_banner "$TEST_DESC"
  41
  42 if [ "$(id -u)" == "0" ]; then
  43         isroot=1
  44 else
  45         isroot=0
  46 fi
  47
  48 skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
  49 {
  50         validate_lttng_modules_present
  51         start_lttng_sessiond
  52         modprobe lttng-test
  53
  54         tests=( test_kernel_local )
  55
  56         for fct_test in ${tests[@]};
  57         do
  58                 SESSION_NAME=$(randstring 16 0)
  59                 ${fct_test}
  60         done
  61
  62         modprobe --remove lttng-test
  63         stop_lttng_sessiond
  64 }