| 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 | TEST_DESC="UST tracer - Start tracing before and after execution" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../../.. |
| 21 | NR_ITER=100 |
| 22 | SESSION_NAME="per-session" |
| 23 | EVENT_NAME="ust_gen_nevents:tptest" |
| 24 | NUM_TESTS=16 |
| 25 | |
| 26 | source $TESTDIR/utils/utils.sh |
| 27 | |
| 28 | print_test_banner "$TEST_DESC" |
| 29 | |
| 30 | if [ ! -x "$CURDIR/gen-nevents" ]; then |
| 31 | BAIL_OUT "No UST nevents binary detected." |
| 32 | fi |
| 33 | |
| 34 | # MUST set TESTDIR before calling those functions |
| 35 | |
| 36 | test_before_apps() { |
| 37 | local out |
| 38 | |
| 39 | # BEFORE application is spawned |
| 40 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 41 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 42 | start_lttng_tracing $SESSION_NAME |
| 43 | |
| 44 | ./$CURDIR/gen-nevents $NR_ITER |
| 45 | ok $? "Start application to trace" |
| 46 | |
| 47 | stop_lttng_tracing $SESSION_NAME |
| 48 | destroy_lttng_session $SESSION_NAME |
| 49 | |
| 50 | trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH |
| 51 | |
| 52 | return $? |
| 53 | } |
| 54 | |
| 55 | test_after_apps() { |
| 56 | local out |
| 57 | |
| 58 | ./$CURDIR/gen-nevents 100 & |
| 59 | ok $? "Start application to trace" |
| 60 | |
| 61 | # BEFORE application is spawned |
| 62 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 63 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 64 | start_lttng_tracing $SESSION_NAME |
| 65 | |
| 66 | # At least hit one event |
| 67 | sleep 2 |
| 68 | |
| 69 | stop_lttng_tracing $SESSION_NAME |
| 70 | destroy_lttng_session $SESSION_NAME |
| 71 | |
| 72 | out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l) |
| 73 | if [ $out -eq 0 ]; then |
| 74 | fail "Trace validation" |
| 75 | diag "No event(s) found. We are supposed to have at least one." |
| 76 | out=1 |
| 77 | else |
| 78 | pass "Trace validation" |
| 79 | diag "Found $out event(s). Coherent." |
| 80 | out=0 |
| 81 | fi |
| 82 | |
| 83 | return $out |
| 84 | } |
| 85 | |
| 86 | # MUST set TESTDIR before calling those functions |
| 87 | plan_tests $NUM_TESTS |
| 88 | |
| 89 | start_lttng_sessiond |
| 90 | |
| 91 | diag "Start application BEFORE tracing was started" |
| 92 | |
| 93 | TRACE_PATH=$(mktemp -d) |
| 94 | |
| 95 | test_before_apps |
| 96 | out=$? |
| 97 | if [ $out -ne 0 ]; then |
| 98 | stop_lttng_sessiond |
| 99 | exit $out |
| 100 | fi |
| 101 | |
| 102 | rm -rf $TRACE_PATH |
| 103 | |
| 104 | diag "Start application AFTER tracing was started" |
| 105 | |
| 106 | TRACE_PATH=$(mktemp -d) |
| 107 | |
| 108 | test_after_apps |
| 109 | out=$? |
| 110 | if [ $out -ne 0 ]; then |
| 111 | stop_lttng_sessiond |
| 112 | exit $out |
| 113 | fi |
| 114 | |
| 115 | stop_lttng_sessiond |
| 116 | |
| 117 | rm -rf $TRACE_PATH |