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#!/bin/bash

function NOFAIL() {
	"$@"
	if [ "$?" -ne "0" ]; then
		echo "!!!!!!!!!!!!!!!!!!!!!!!!"
		echo "$0: Stopping because of error"
		echo "!!!!!!!!!!!!!!!!!!!!!!!!"
		exit 1;
	fi
}

function starttest() {
	echo "------------------------------------"
	echo "Starting test: $1"
	echo "------------------------------------"
}

function check_trace_logs() {
	TRACE=$1

	for f in $(ls $1/*.log); do
		NLINES=$(egrep "Warning|Error" $f | wc -l)
		if [ "$NLINES" -ne "0" ]; then
			echo "Errors/warnings found in $f"
			return 1;
		fi
	done
	return 0;
}

TESTDIR=$(dirname $0)
MATCHES="$TESTDIR/trace_matches"

starttest "Test-nevents"
NOFAIL usttrace $TESTDIR/test-nevents/prog
trace_loc=$(usttrace -W)
NOFAIL $MATCHES -N "an_event (100000)" -n 100000 "^ust.an_event:" $trace_loc
NOFAIL $MATCHES -N "another_event (100000)" -n 100000 "^ust.another_event:" $trace_loc
NOFAIL check_trace_logs "$trace_loc"

starttest "fork()/exec() test"
NOFAIL usttrace -f $TESTDIR/fork/.libs/fork $TESTDIR/fork/.libs/fork2
trace_loc=$(usttrace -W)
NOFAIL $MATCHES -N "fork - before_fork" "^ust.before_fork:" $trace_loc
NOFAIL $MATCHES -N "fork - after_fork_parent" "^ust.after_fork_parent:" $trace_loc
NOFAIL $MATCHES -N "fork - after_fork_child" "^ust.after_fork_child:" $trace_loc
NOFAIL $MATCHES -N "fork - before_exec" "^ust.before_exec:" $trace_loc
NOFAIL $MATCHES -N "fork - potential_exec" "^ust.potential_exec:" $trace_loc
NOFAIL $MATCHES -N "fork - after_exec" "^ust.after_exec:" $trace_loc
NOFAIL check_trace_logs "$trace_loc"

starttest "libustinstr-malloc"
NOFAIL usttrace -lm $TESTDIR/test-libustinstr-malloc/.libs/prog
trace_loc=$(usttrace -W)
NOFAIL $MATCHES -N "libustinstr-malloc - malloc" -n 1000 "^ust.malloc:.*{ size = 1[0-9][0-9][0-9]," $trace_loc
NOFAIL check_trace_logs "$trace_loc"

### Manual mode test
starttest "Manual mode tracing"
TRACE_DIR="/tmp/ust-testsuite-manual-trace"
rm -rf "$TRACE_DIR"
mkdir "$TRACE_DIR"

pidfilepath="/tmp/ust-testsuite-$USER-$(date +%Y%m%d%H%M%S%N)-ustd-pid"
mkfifo -m 0600 "$pidfilepath"
# It's not useful to run ustd in NOFAIL because it's running in the background
ustd --pidfile "$pidfilepath" -o "$TRACE_DIR" >/dev/null 2>&1 &
USTD_PID="$(<$pidfilepath)"

LD_PRELOAD=/usr/local/lib/libust.so.0.0.0:/usr/local/lib/libustinstr-malloc.so find / >/dev/null 2>&1 &
PID=$!
sleep 0.1
NOFAIL ustctl --list-markers "$PID" >/dev/null
NOFAIL ustctl --enable-marker ust/malloc $PID
NOFAIL ustctl --enable-marker ust/free $PID
NOFAIL ustctl --create-trace $PID
NOFAIL ustctl --alloc-trace $PID
NOFAIL ustctl --start-trace $PID
sleep 0.5

NOFAIL ustctl --stop-trace $PID
NOFAIL ustctl --destroy-trace $PID
kill $PID
kill -SIGTERM $USTD_PID
wait $USTD_PID

NOFAIL $MATCHES -N "manual - find - ust.malloc" "^ust.malloc:" "$TRACE_DIR"

### Valgrind ustd ###
starttest "ustd valgrind check"
TRACE_DIR="/tmp/ust-testsuite-ustdvalgrind-trace"
rm -rf "$TRACE_DIR"
mkdir "$TRACE_DIR"

pidfilepath="/tmp/ust-testsuite-$USER-$(date +%Y%m%d%H%M%S%N)-ustd-pid"
mkfifo -m 0600 "$pidfilepath"
# It's not useful to run ustd in NOFAIL because it's running in the background
VALG_OUT=/tmp/ust-testsuite-valg.txt
valgrind -q ustd --pidfile "$pidfilepath" -o "$TRACE_DIR" >/dev/null 2>"$VALG_OUT" &
VALG_PID=$!
USTD_PID="$(<$pidfilepath)"

usttrace -s $TESTDIR/basic/.libs/basic

kill -SIGTERM $USTD_PID
wait $!

echo "Valgrind output is in $VALG_OUT"
NOFAIL [ -z "$(<$VALG_OUT)" ]

### Valgrind libust ###
starttest "libust valgrind check"

echo "************************************"
echo "$0: All passed"
echo "************************************"
exit 0