| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) 2012 David Goulet <dgoulet@efficios.com> |
| 4 | # |
| 5 | # SPDX-License-Identifier: LGPL-2.1-only |
| 6 | |
| 7 | TEST_DESC="UST tracer - Start tracing before and after execution" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | NR_ITER=100 |
| 12 | NR_USEC_WAIT=100000 |
| 13 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 14 | TESTAPP_NAME="gen-ust-events" |
| 15 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 16 | SESSION_NAME="per-session" |
| 17 | EVENT_NAME="tp:tptest" |
| 18 | NUM_TESTS=16 |
| 19 | |
| 20 | source $TESTDIR/utils/utils.sh |
| 21 | |
| 22 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 23 | BAIL_OUT "No UST nevents binary detected." |
| 24 | fi |
| 25 | |
| 26 | # MUST set TESTDIR before calling those functions |
| 27 | |
| 28 | function test_before_apps() |
| 29 | { |
| 30 | # BEFORE application is spawned |
| 31 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 32 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 33 | start_lttng_tracing_ok $SESSION_NAME |
| 34 | |
| 35 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT & |
| 36 | wait |
| 37 | ok $? "Traced application stopped." |
| 38 | |
| 39 | stop_lttng_tracing_ok $SESSION_NAME |
| 40 | destroy_lttng_session_ok $SESSION_NAME |
| 41 | |
| 42 | trace_match_only $EVENT_NAME $NR_ITER $TRACE_PATH |
| 43 | |
| 44 | return $? |
| 45 | } |
| 46 | |
| 47 | function test_after_apps() |
| 48 | { |
| 49 | local out |
| 50 | local file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX") |
| 51 | local file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX") |
| 52 | |
| 53 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 54 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 55 | |
| 56 | $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \ |
| 57 | --sync-after-first-event ${file_sync_after_first} \ |
| 58 | --sync-before-last-event ${file_sync_before_last} & |
| 59 | ok $? "Application started in background." |
| 60 | |
| 61 | start_lttng_tracing_ok $SESSION_NAME |
| 62 | |
| 63 | touch ${file_sync_before_last} |
| 64 | |
| 65 | wait |
| 66 | |
| 67 | stop_lttng_tracing_ok $SESSION_NAME |
| 68 | destroy_lttng_session_ok $SESSION_NAME |
| 69 | |
| 70 | rm -f ${file_sync_after_first} |
| 71 | rm -f ${file_sync_before_last} |
| 72 | |
| 73 | validate_trace $EVENT_NAME $TRACE_PATH |
| 74 | out=$? |
| 75 | |
| 76 | return $out |
| 77 | } |
| 78 | |
| 79 | # MUST set TESTDIR before calling those functions |
| 80 | plan_tests $NUM_TESTS |
| 81 | |
| 82 | print_test_banner "$TEST_DESC" |
| 83 | bail_out_if_no_babeltrace |
| 84 | |
| 85 | start_lttng_sessiond |
| 86 | |
| 87 | diag "Start tracing BEFORE application is started" |
| 88 | |
| 89 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_before_after_ust_trace_path.XXXXXX) |
| 90 | |
| 91 | test_before_apps |
| 92 | out=$? |
| 93 | if [ $out -ne 0 ]; then |
| 94 | stop_lttng_sessiond |
| 95 | exit $out |
| 96 | fi |
| 97 | |
| 98 | rm -rf $TRACE_PATH |
| 99 | |
| 100 | diag "Start tracing AFTER application is started" |
| 101 | |
| 102 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_before_after_ust_trace_path.XXXXXX) |
| 103 | |
| 104 | test_after_apps |
| 105 | out=$? |
| 106 | if [ $out -ne 0 ]; then |
| 107 | stop_lttng_sessiond |
| 108 | exit $out |
| 109 | fi |
| 110 | |
| 111 | stop_lttng_sessiond |
| 112 | |
| 113 | rm -rf $TRACE_PATH |