microbench/setup/prepare-benchmark

   1 #!/bin/bash
   2 #
   3 # Prepare a file system for a benchmark run by creating any needed files or
   4 # directories.
   5
   6
   7 # Defaults
   8 SERVER=c09-45.sysnet.ucsd.edu
   9 MNTDIR=/mnt/bluesky
  10
  11 BENCH_FILESIZE=$((1 << 12))
  12 BENCH_FILECOUNT=$((8))
  13 BENCH_WRITERATIO=1.0
  14 BENCH_THREADS=8
  15 BENCH_DURATION=120
  16 BENCH_OPS=100
  17 BENCH_INTERVALS=4
  18
  19 # Export any environment variables specified on the command line
  20 for e in "$@"; do
  21     echo "$e" 1>&2
  22     if echo "$e" | grep = >/dev/null; then
  23         eval "$e"
  24         export ${e%=*}
  25     fi
  26 done
  27
  28 # Prepare to run the benchmark
  29 mount -t nfs -o vers=3,tcp,rw,soft,intr $SERVER:/export $MNTDIR
  30
  31 pushd $MNTDIR >/dev/null
  32
  33 for t in $(seq 0 $(($BENCH_THREADS - 1))); do
  34     mkdir t$t
  35     for i in $(seq 0 $(($BENCH_FILECOUNT - 1))); do
  36         dd if=/dev/zero of=t$t/$i bs=$BENCH_FILESIZE count=1
  37     done
  38 done
  39
  40 popd >/dev/null
  41
  42 umount -f $MNTDIR