| 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 - Testing high events throughput" |
| 8 | |
| 9 | CURDIR=$(dirname $0)/ |
| 10 | TESTDIR=$CURDIR/../../.. |
| 11 | NR_APP=20 |
| 12 | BIN_NAME="gen-events" |
| 13 | SESSION_NAME="high-throughput" |
| 14 | EVENT_NAME="tp:tptest" |
| 15 | NUM_TESTS=9 |
| 16 | |
| 17 | source $TESTDIR/utils/utils.sh |
| 18 | |
| 19 | if [ ! -x "$CURDIR/$BIN_NAME" ]; then |
| 20 | BAIL_OUT "No UST nevents binary detected." |
| 21 | fi |
| 22 | |
| 23 | TRACE_PATH=$(mktemp --tmpdir -d tmp.test_high_throughput_ust_trace_path.XXXXXX) |
| 24 | |
| 25 | # MUST set TESTDIR before calling those functions |
| 26 | |
| 27 | plan_tests $NUM_TESTS |
| 28 | |
| 29 | print_test_banner "$TEST_DESC" |
| 30 | |
| 31 | start_lttng_sessiond |
| 32 | |
| 33 | create_lttng_session_ok $SESSION_NAME $TRACE_PATH |
| 34 | |
| 35 | enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME |
| 36 | start_lttng_tracing_ok $SESSION_NAME |
| 37 | |
| 38 | for i in `seq 1 $NR_APP`; do |
| 39 | ./$CURDIR/$BIN_NAME >/dev/null 2>&1 & |
| 40 | done |
| 41 | |
| 42 | diag "Waiting for applications to end" |
| 43 | wait |
| 44 | pass "Wait for applications to end" |
| 45 | |
| 46 | stop_lttng_tracing_ok $SESSION_NAME |
| 47 | destroy_lttng_session_ok $SESSION_NAME |
| 48 | |
| 49 | stop_lttng_sessiond |
| 50 | |
| 51 | # Validate test |
| 52 | |
| 53 | TEMP_FILE=$(mktemp --tmpdir tmp.test_high_throughput_tmp_file1.XXXXXX) |
| 54 | TEMP_FILE_2=$(mktemp --tmpdir tmp.test_high_throughput_tmp_file2.XXXXXX) |
| 55 | |
| 56 | traced=$(babeltrace $TRACE_PATH 2>/dev/null | wc -l) |
| 57 | babeltrace $TRACE_PATH >/dev/null 2>$TEMP_FILE_2 |
| 58 | |
| 59 | cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE |
| 60 | |
| 61 | dropped=0 |
| 62 | while read line; |
| 63 | do |
| 64 | let dropped=$dropped+$line |
| 65 | done < $TEMP_FILE |
| 66 | |
| 67 | let total=$dropped+$traced |
| 68 | let wanted=$NR_APP*1000000 |
| 69 | |
| 70 | if [ $wanted -ne $total ]; then |
| 71 | fail "Trace validation" |
| 72 | diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total" |
| 73 | else |
| 74 | pass "Trace validation" |
| 75 | diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total" |
| 76 | fi |
| 77 | |
| 78 | rm -rf $TRACE_PATH |
| 79 | rm $TEMP_FILE $TEMP_FILE_2 |