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 CLEANUP=""
  10 STAP=stap
  11 STAPTMP=/tmp/stapconsole
  12 STAPPROBE=testutrace.stp
  13
  14 rm $REPORT 2>/dev/null
  15
  16 ust_flight_recorder() {
  17         # flight recorder, don't record trace to disk.
  18         # default buffer size is 4k
  19         echo -n "* UST Flight recorder : " | tee >> $REPORT
  20         export UST_AUTOCOLLECT=0
  21         export UST_OVERWRITE=1
  22         export UST_SUBBUF_NUM=16
  23         WRAPPER=usttrace
  24 }
  25
  26 ust_disk() {
  27         # Collect traces to disk
  28         # default buffer size is 4k
  29         echo -n "* UST Write to disk : " | tee >> $REPORT
  30         export UST_AUTOCOLLECT=1
  31         export UST_OVERWRITE=0
  32         export UST_SUBBUF_NUM=16
  33         WRAPPER=usttrace
  34 }
  35
  36 stap_flight_recorder() {
  37         echo -n "* SystemTap Flight recorder : " | tee >> $REPORT
  38         WRAPPER=""
  39         $STAP $STAPPROBE -F -m $BINARY
  40 }
  41
  42 stap_disk() {
  43         echo -n "* SystemTap Write to disk : " | tee >> $REPORT
  44         WRAPPER=""
  45         $STAP $STAPPROBE -o $STAPTMP -m $BINARY &
  46         sleep 5
  47 }
  48
  49 echo "Userspace tracing scalability test report" |tee >> $REPORT
  50 case "$1" in
  51         ust_flight_recorder)
  52                 TEST=ust_flight_recorder
  53                 ;;
  54         ust_disk)
  55                 TEST=ust_disk
  56                 ;;
  57         stap_flight_recorder)
  58                 TEST=stap_flight_recorder
  59                 CLEANUP="rmmod $BINARY 2>/dev/null"
  60                 ;;
  61         stap_disk)
  62                 TEST=stap_disk
  63                 CLEANUP="killall stapio 2>/dev/null"
  64                 ;;
  65         *)
  66                 echo "Usage : $0 {ust_flight_recorder|ust_disk|stap_flight_recorder|stap_disk}"
  67                 exit 1
  68                 ;;
  69 esac
  70
  71 for nr_threads in 1 2 4 8; do
  72         echo "" | tee >> $REPORT
  73         echo Number of threads: $nr_threads | tee >> $REPORT
  74         echo -n "* Baseline : " | tee >> $REPORT
  75
  76         $CLEANUP
  77
  78         sync
  79         /usr/bin/time -f "%E" -o $TMPLOG ./$BINARY ${nr_threads}
  80         cat $TMPLOG >> $REPORT
  81
  82         $TEST
  83
  84         sync
  85         /usr/bin/time -f "%E" -o $TMPLOG $WRAPPER ./$BINARY ${nr_threads}
  86         cat $TMPLOG >> $REPORT
  87 done
  88
  89 cat $REPORT
  90