[ust.git] / tests / benchmark / run

#!/bin/bash
#
# run ust benchmark
#

echo "ust benchmark"

NR_EVENTS=2000000
NR_CPUS=2
echo "using $NR_CPUS processor(s)"
echo "using $NR_EVENTS events per cpu"


rm -f /tmp/bench.txt
# without markers
echo ">running without markers"
t1=$(/usr/bin/time -f%e usttrace ./bench1 $NR_CPUS $NR_EVENTS 2>&1 1> /dev/null)
echo " time=$t1 sec"


rm -f /tmp/bench.txt
# with markers
echo ">running with markers activated"
t2=$(/usr/bin/time -f%e usttrace ./bench2 $NR_CPUS $NR_EVENTS 2>&1 1> /dev/null)
echo " time=$t2 sec"


#penalty = t2 - t1
echo
penalty=$(echo "$t2 - $t1;" | bc)
echo "time penalty=$penalty sec"

#event = penalty / (nr_events * nr_cpus)
event=$(echo "scale=8; ($penalty / ($NR_EVENTS * $NR_CPUS));" | bc)
echo "time penalty per event=$event sec"

rm -f /tmp/bench.txt
Commit	Line	Data
e6af533d DS	1	#!/bin/bash
	2	#
	3	# run ust benchmark
	4	#
	5
	6	echo "ust benchmark"
	7
	8	NR_EVENTS=2000000
	9	NR_CPUS=2
	10	echo "using $NR_CPUS processor(s)"
	11	echo "using $NR_EVENTS events per cpu"
	12
	13
	14	rm -f /tmp/bench.txt
	15	# without markers
	16	echo ">running without markers"
	17	t1=$(/usr/bin/time -f%e usttrace ./bench1 $NR_CPUS $NR_EVENTS 2>&1 1> /dev/null)
	18	echo " time=$t1 sec"
	19
	20
	21	rm -f /tmp/bench.txt
	22	# with markers
	23	echo ">running with markers activated"
	24	t2=$(/usr/bin/time -f%e usttrace ./bench2 $NR_CPUS $NR_EVENTS 2>&1 1> /dev/null)
	25	echo " time=$t2 sec"
	26
	27
	28	#penalty = t2 - t1
	29	echo
	30	penalty=$(echo "$t2 - $t1;" \| bc)
	31	echo "time penalty=$penalty sec"
	32
	33	#event = penalty / (nr_events * nr_cpus)
	34	event=$(echo "scale=8; ($penalty / ($NR_EVENTS * $NR_CPUS));" \| bc)
	35	echo "time penalty per event=$event sec"
	36
	37	rm -f /tmp/bench.txt