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#!/bin/bash
#
# SPDX-FileCopyrightText: 2012 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="UST tracer - Testing high events throughput"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_APP=20
BIN_NAME="gen-events"
SESSION_NAME="high-throughput"
EVENT_NAME="tp:tptest"
NUM_TESTS=9
source $TESTDIR/utils/utils.sh
if [ ! -x "$CURDIR/$BIN_NAME" ]; then
BAIL_OUT "No UST nevents binary detected."
fi
TRACE_PATH=$(mktemp -d -t tmp.test_high_throughput_ust_trace_path.XXXXXX)
# MUST set TESTDIR before calling those functions
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
bail_out_if_no_babeltrace
start_lttng_sessiond
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
start_lttng_tracing_ok $SESSION_NAME
pids=()
for i in `seq 1 $NR_APP`; do
./$CURDIR/$BIN_NAME >/dev/null 2>&1 &
pids+=("${!}")
done
diag "Waiting for applications to end"
wait "${pids[@]}"
pass "Wait for applications to end"
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
stop_lttng_sessiond
# Validate test
TEMP_FILE=$(mktemp -t tmp.test_high_throughput_tmp_file1.XXXXXX)
TEMP_FILE_2=$(mktemp -t tmp.test_high_throughput_tmp_file2.XXXXXX)
traced=$("$BABELTRACE_BIN" $TRACE_PATH 2>"${TEMP_FILE_2}" | wc -l)
cat $TEMP_FILE_2 | cut -f4 -d " " >$TEMP_FILE
dropped=0
while read line;
do
let dropped=$dropped+$line
done < $TEMP_FILE
let total=$dropped+$traced
let wanted=$NR_APP*1000000
if [ $wanted -ne $total ]; then
fail "Trace validation"
diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
else
pass "Trace validation"
diag "Expected $wanted. Dropped $dropped. Recorded $traced. Total $total"
fi
rm -rf $TRACE_PATH
rm $TEMP_FILE $TEMP_FILE_2
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