tests/benchmark/run

   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