profile.sh

   1 #! /bin/sh
   2
   3 # Script to build three versions of ltt/lttv (optimized, optimized and profiled
   4 # and not optimized) and compare their performance for processing a trace.
   5 # The profiled version produces detailed per function timings.
   6 #
   7 # The script expects 2 arguments: the temporary directory where to install
   8 # the three versions and the directory containing the trace to process.
   9
  10 v1=$1/ltt1
  11 v2=$1/ltt2
  12 v3=$1/ltt3
  13 tracedir=$2
  14
  15 if [ -z "$1" -o -z "$tracedir" ]; then
  16   echo "Usage: $0 tmpdir trace"
  17   exit 1
  18 fi
  19
  20 BuildTest () {
  21   (make clean; ./autogen.sh --prefix=$1 --enable-lttvstatic CFLAGS="$2" LDFLAGS="$3"; make; make install) >& build.`basename $1`
  22 }
  23
  24 RunTest () {
  25   echo RunTest $1 $2
  26   rm gmon.out
  27   for version in $v1 $v2 $v3; do
  28     /usr/bin/time $version/bin/lttv -m batchtest -t $tracedir $1 >& test.`basename $version`.$2
  29   done
  30   gprof $v2/bin/lttv >& test.profile.$2
  31 }
  32
  33 BuildTest $v1 "-O2 -g" "-g"
  34 BuildTest $v2 "-pg -g -O2" "-pg -g"
  35 BuildTest $v3 "-g" "-g"
  36
  37 RunTest --test1 countevents
  38 RunTest --test2 computestate
  39 RunTest --test4 computestats
  40 RunTest --test6 savestate
  41 RunTest "--test3 --test6 --test7 --seek-number 200" seekevents