| 1 | #!/bin/bash |
| 2 | # |
| 3 | # run ust benchmark |
| 4 | # |
| 5 | |
| 6 | iters=20 |
| 7 | NR_EVENTS=7000000 |
| 8 | NR_CPUS=1 |
| 9 | |
| 10 | TIME="./ptime" |
| 11 | |
| 12 | #PROG_NOMARKER="find /usr" |
| 13 | PROG_NOMARKER="./bench1 $NR_CPUS $NR_EVENTS" |
| 14 | #PROG_MARKER=$PROG_NOMARKER |
| 15 | PROG_MARKER="./bench2 $NR_CPUS $NR_EVENTS" |
| 16 | |
| 17 | CMD_NOMARKER="$TIME '$PROG_NOMARKER >/dev/null 2>&1'" |
| 18 | CMD_MARKER="$TIME '$PROG_MARKER >/dev/null 2>&1'" |
| 19 | CMD_MARKERCONN="UST_AUTOPROBE=1 $TIME '$PROG_MARKER >/dev/null 2>&1'" |
| 20 | CMD_MARKERTRACE="UST_TRACE=1 UST_AUTOPROBE=1 UST_OVERWRITE=1 UST_AUTOCOLLECT=0 $TIME '$PROG_MARKER >/dev/null 2>&1'" |
| 21 | |
| 22 | echo "ust benchmark" |
| 23 | |
| 24 | rm -f result-*.txt average-*.txt perevent-*.txt |
| 25 | |
| 26 | echo "using $NR_CPUS processor(s)" |
| 27 | echo "using $NR_EVENTS events per cpu" |
| 28 | |
| 29 | n=0 |
| 30 | while [ $n -lt "$iters" ]; do |
| 31 | # without markers |
| 32 | echo ">running without markers" |
| 33 | echo 3 >/proc/sys/vm/drop_caches |
| 34 | t1=$(sh -c "$CMD_NOMARKER") |
| 35 | echo "$t1" >>result-nomark.txt |
| 36 | echo " time=$t1 sec" |
| 37 | n=$(($n+1)) |
| 38 | done |
| 39 | ./average <result-nomark.txt >average-nomark.txt |
| 40 | |
| 41 | ## with markers, not connected |
| 42 | #n=0 |
| 43 | #while [ $n -lt "$iters" ]; do |
| 44 | # echo ">running with markers, not connected" |
| 45 | # echo 3 >/proc/sys/vm/drop_caches |
| 46 | # t2=$(sh -c "$CMD_MARKER") |
| 47 | # echo "$t2" >>result-mark.txt |
| 48 | # echo " time=$t2 sec" |
| 49 | # n=$(($n+1)) |
| 50 | #done |
| 51 | #./average <result-mark.txt >average-mark.txt |
| 52 | #echo "( $(<average-mark.txt) - $(<average-nomark.txt) ) / $NR_EVENTS" | bc -l >perevent-mark.txt |
| 53 | |
| 54 | ## with markers, connected |
| 55 | #n=0 |
| 56 | #while [ $n -lt "$iters" ]; do |
| 57 | # echo ">running with markers activated" |
| 58 | # echo 3 >/proc/sys/vm/drop_caches |
| 59 | # t2=$(sh -c "$CMD_MARKERCONN") |
| 60 | # echo "$t2" >>result-markconn.txt |
| 61 | # echo " time=$t2 sec" |
| 62 | # n=$(($n+1)) |
| 63 | #done |
| 64 | #./average <result-markconn.txt >average-markconn.txt |
| 65 | #echo "( $(<average-markconn.txt) - $(<average-nomark.txt) ) / $NR_EVENTS" | bc -l >perevent-markconn.txt |
| 66 | |
| 67 | # with markers, connected, tracing |
| 68 | n=0 |
| 69 | while [ $n -lt "$iters" ]; do |
| 70 | echo ">running with markers activated, trace recording" |
| 71 | echo 3 >/proc/sys/vm/drop_caches |
| 72 | t3=$(sh -c "$CMD_MARKERTRACE") |
| 73 | echo "$t3" >>result-marktrace.txt |
| 74 | echo " time=$t3 sec" |
| 75 | n=$(($n+1)) |
| 76 | done |
| 77 | ./average <result-marktrace.txt >average-marktrace.txt |
| 78 | echo "( $(<average-marktrace.txt) - $(<average-nomark.txt) ) / $NR_EVENTS" | bc -l >perevent-marktrace.txt |
| 79 | |
| 80 | function print_penalty() |
| 81 | { |
| 82 | echo "" |
| 83 | |
| 84 | #penalty = t2 - t1 |
| 85 | penalty=$(echo "$2 - $1;" | bc) |
| 86 | echo "Penalty ($3) = $penalty sec" |
| 87 | |
| 88 | #event = penalty / (nr_events * nr_cpus) |
| 89 | event=$(echo "scale=10; ($penalty / ($NR_EVENTS * $NR_CPUS));" | bc) |
| 90 | echo "Penalty per event ($3) = $event sec" |
| 91 | } |
| 92 | |
| 93 | #print_penalty $t1 $t2 "Penalty for markers enabled, not tracing" |
| 94 | #print_penalty $t1 $t3 "Penalty for markers enabled, tracing" |
| 95 | |
| 96 | |
| 97 | rm -f /tmp/bench.txt |