| 1 | #!/bin/sh |
| 2 | |
| 3 | #UST scalability test |
| 4 | |
| 5 | BINARY=tracepoint_benchmark |
| 6 | REPORT=/tmp/testreport |
| 7 | TMPLOG=/tmp/testlog |
| 8 | WRAPPER="" |
| 9 | STAP=stap |
| 10 | STAPTMP=/tmp/stapconsole |
| 11 | STAPPROBE=testutrace.stp |
| 12 | |
| 13 | rm $REPORT 2>/dev/null |
| 14 | |
| 15 | ust_flight_recorder() { |
| 16 | # flight recorder, don't record trace to disk. |
| 17 | # default buffer size is 4k |
| 18 | echo -n "* UST Flight recorder : " | tee >> $REPORT |
| 19 | export UST_AUTOCOLLECT=0 |
| 20 | export UST_OVERWRITE=1 |
| 21 | export UST_SUBBUF_NUM=16 |
| 22 | WRAPPER=usttrace |
| 23 | } |
| 24 | |
| 25 | ust_disk() { |
| 26 | # Collect traces to disk |
| 27 | # default buffer size is 4k |
| 28 | echo -n "* UST Write to disk : " | tee >> $REPORT |
| 29 | export UST_AUTOCOLLECT=1 |
| 30 | export UST_OVERWRITE=0 |
| 31 | export UST_SUBBUF_NUM=16 |
| 32 | WRAPPER=usttrace |
| 33 | } |
| 34 | |
| 35 | stap_flight_recorder() { |
| 36 | echo -n "* SystemTap Flight recorder : " | tee >> $REPORT |
| 37 | WRAPPER="" |
| 38 | $STAP $STAPPROBE -F -m $BINARY |
| 39 | } |
| 40 | |
| 41 | stap_disk() { |
| 42 | echo -n "* SystemTap Write to disk : " | tee >> $REPORT |
| 43 | WRAPPER="" |
| 44 | $STAP $STAPPROBE -o $STAPTMP -m $BINARY & |
| 45 | sleep 5 |
| 46 | } |
| 47 | |
| 48 | echo "Userspace tracing scalability test report" |tee >> $REPORT |
| 49 | case "$1" in |
| 50 | ust_flight_recorder) |
| 51 | TEST=ust_flight_recorder |
| 52 | ;; |
| 53 | ust_disk) |
| 54 | TEST=ust_disk |
| 55 | ;; |
| 56 | stap_flight_recorder) |
| 57 | TEST=stap_flight_recorder |
| 58 | ;; |
| 59 | stap_disk) |
| 60 | TEST=stap_disk |
| 61 | ;; |
| 62 | *) |
| 63 | echo "Usage : $0 {ust_flight_recorder|ust_disk|stap_flight_recorder|stap_disk}" |
| 64 | exit 1 |
| 65 | ;; |
| 66 | esac |
| 67 | |
| 68 | for nr_threads in 1 2 4 8; do |
| 69 | echo "" | tee >> $REPORT |
| 70 | echo Number of threads: $nr_threads | tee >> $REPORT |
| 71 | echo -n "* Baseline : " | tee >> $REPORT |
| 72 | |
| 73 | # just some cleanup |
| 74 | killall stapio 2>/dev/null |
| 75 | rmmod $BINARY 2>/dev/null |
| 76 | |
| 77 | sync |
| 78 | /usr/bin/time -f "%E" -o $TMPLOG ./$BINARY ${nr_threads} |
| 79 | cat $TMPLOG >> $REPORT |
| 80 | |
| 81 | $TEST |
| 82 | |
| 83 | sync |
| 84 | /usr/bin/time -f "%E" -o $TMPLOG $WRAPPER ./$BINARY ${nr_threads} |
| 85 | cat $TMPLOG >> $REPORT |
| 86 | done |
| 87 | |
| 88 | cat $REPORT |
| 89 | |