| 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 - Testing high events throughput" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../.. |
| 21 | NR_ITER=20 |
| 22 | BIN_NAME="gen-events" |
| 23 | SESSION_NAME="high-throughput" |
| 24 | EVENT_NAME="tp:tptest" |
| 25 | |
| 26 | source $TESTDIR/utils.sh |
| 27 | |
| 28 | print_test_banner "$TEST_DESC" |
| 29 | |
| 30 | if [ ! -x "$CURDIR/$BIN_NAME" ]; then |
| 31 | echo -e "No UST nevents binary detected. Passing." |
| 32 | exit 0 |
| 33 | fi |
| 34 | |
| 35 | TRACE_PATH=$(mktemp -d) |
| 36 | |
| 37 | # MUST set TESTDIR before calling those functions |
| 38 | |
| 39 | start_lttng_sessiond |
| 40 | |
| 41 | create_lttng_session $SESSION_NAME $TRACE_PATH |
| 42 | |
| 43 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME |
| 44 | start_lttng_tracing $SESSION_NAME |
| 45 | |
| 46 | for i in `seq 1 $NR_ITER`; do |
| 47 | ./$CURDIR/$BIN_NAME & >/dev/null 2>&1 |
| 48 | done |
| 49 | |
| 50 | echo "Waiting for applications to end" |
| 51 | while [ -n "$(pidof $BIN_NAME)" ]; do |
| 52 | echo -n "." |
| 53 | sleep 0.5 |
| 54 | done |
| 55 | echo "" |
| 56 | |
| 57 | stop_lttng_tracing $SESSION_NAME |
| 58 | destroy_lttng_session $SESSION_NAME |
| 59 | |
| 60 | stop_lttng_sessiond |
| 61 | |
| 62 | # Validate test |
| 63 | |
| 64 | TEMP_FILE=$(mktemp) |
| 65 | TEMP_FILE_2=$(mktemp) |
| 66 | |
| 67 | traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l) |
| 68 | babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2 |
| 69 | |
| 70 | cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE |
| 71 | |
| 72 | dropped=0 |
| 73 | while read line; |
| 74 | do |
| 75 | let dropped=$dropped+$line |
| 76 | done < $TEMP_FILE |
| 77 | |
| 78 | let total=$dropped+$traced |
| 79 | let wanted=$NR_ITER*1000000 |
| 80 | |
| 81 | if [ $wanted -ne $total ]; then |
| 82 | echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... " |
| 83 | print_fail |
| 84 | out=1 |
| 85 | else |
| 86 | echo -n "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total... " |
| 87 | print_ok |
| 88 | out=0 |
| 89 | fi |
| 90 | |
| 91 | rm -rf $TRACE_PATH |
| 92 | rm $TEMP_FILE $TEMP_FILE_2 |
| 93 | |
| 94 | exit $out |