tests/regression/tools/rotation/test_ust_kernel

   1 #!/bin/bash
   2 #
   3 # Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   4 #
   5 # SPDX-License-Identifier: LGPL-2.1-only
   6
   7 TEST_DESC="Rotation - Kernel tracing"
   8
   9 CURDIR=$(dirname $0)/
  10 TESTDIR=$CURDIR/../../..
  11 NR_USEC_WAIT=0
  12 TESTAPP_PATH="$TESTDIR/utils/testapp"
  13 TESTAPP_NAME="gen-ust-events"
  14 TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
  15 SESSION_NAME="stream"
  16 UST_EVENT_NAME="tp:tptest"
  17 KERNEL_EVENT_NAME="lttng_test_filter_event"
  18
  19 TRACE_PATH=$(mktemp -d -t tmp.rotation_ust_kernel_tracing.XXXXXX)
  20
  21 NUM_TESTS=64
  22
  23 source $TESTDIR/utils/utils.sh
  24 source $CURDIR/rotate_utils.sh
  25
  26 function rotate_ust_kernel_test ()
  27 {
  28         local local_path=$1
  29         local today
  30         local expected_domains
  31
  32         expected_domains=("ust" "kernel")
  33
  34         enable_ust_lttng_event_ok $SESSION_NAME $UST_EVENT_NAME
  35         lttng_enable_kernel_event $SESSION_NAME $KERNEL_EVENT_NAME
  36
  37         start_lttng_tracing_ok $SESSION_NAME
  38
  39         today=$(date +%Y%m%d)
  40
  41         # First chunk contains 10 events of each domain.
  42         echo -n "10" > /proc/lttng-test-filter-event
  43         $TESTAPP_BIN -i 10 -w $NR_USEC_WAIT > /dev/null 2>&1
  44         rotate_session_ok $SESSION_NAME
  45
  46         # Second chunk contains 20 events of each domain.
  47         echo -n "20" > /proc/lttng-test-filter-event
  48         $TESTAPP_BIN -i 20 -w $NR_USEC_WAIT > /dev/null 2>&1
  49         stop_lttng_tracing_ok $SESSION_NAME
  50
  51         # Third chunk contains no event (rotate after stop).
  52         rotate_session_ok $SESSION_NAME
  53
  54         destroy_lttng_session_ok $SESSION_NAME
  55
  56         diag "Validate kernel domain chunks"
  57         EVENT_NAME=$KERNEL_EVENT_NAME
  58         validate_test_chunks $local_path $today kernel "${expected_domains[@]}"
  59
  60         diag "Validate user space domain chunks"
  61         EVENT_NAME=$UST_EVENT_NAME
  62         validate_test_chunks $local_path $today "ust/uid/*/*/" "${expected_domains[@]}"
  63 }
  64
  65 function test_ust_kernel_streaming ()
  66 {
  67         diag "Test combined UST + kernel streaming with session rotation"
  68         create_lttng_session_uri $SESSION_NAME net://localhost
  69         rotate_ust_kernel_test "${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*/archives" "ust/uid/*/*/"
  70 }
  71
  72 function test_ust_kernel_local ()
  73 {
  74         diag "Test combined UST + kernel local with session rotation"
  75         create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
  76         rotate_ust_kernel_test "${TRACE_PATH}/archives" "ust/uid/*/*/"
  77 }
  78
  79 if [ ! -x "$TESTAPP_BIN" ]; then
  80         BAIL_OUT "No UST events binary detected."
  81 fi
  82
  83 plan_tests $NUM_TESTS
  84
  85 print_test_banner "$TEST_DESC"
  86 bail_out_if_no_babeltrace
  87
  88 if [ "$(id -u)" == "0" ]; then
  89         isroot=1
  90 else
  91         isroot=0
  92 fi
  93
  94 skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
  95 {
  96         validate_lttng_modules_present
  97
  98         start_lttng_relayd "-o $TRACE_PATH"
  99         start_lttng_sessiond
 100         modprobe lttng-test
 101
 102         tests=( test_ust_kernel_streaming test_ust_kernel_local )
 103
 104         for fct_test in "${tests[@]}";
 105         do
 106                 SESSION_NAME=$(randstring 16 0)
 107                 ${fct_test}
 108                 clean_path "$TRACE_PATH"
 109         done
 110
 111         modprobe --remove lttng-test
 112         stop_lttng_sessiond
 113         stop_lttng_relayd
 114 }
 115
 116 rm -rf "$TRACE_PATH"