ust-systemtap-tracepoints/runtest.sh

   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