benchmarks/bench_common.sh

   1 #!/bin/bash
   2 # This file is part of NIT ( http://www.nitlanguage.org ).
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 # Common functions for all the bench scripts
  17
  18 # Run a single command multiple time and store the execution times
  19 # in the current $res file.
  20 #
  21 #  $1: title of the command
  22 #  $2: long desription of the command
  23 #  rest: the command to execute
  24 function bench_command()
  25 {
  26         if [ "$dry_run" = "true" ]; then return; fi
  27         local title="$1"
  28         local desc="$2"
  29         shift
  30         shift
  31         if test "$verbose" = true; then outputopts="/dev/stdout"; else outputopts="/dev/null"; fi
  32         timeout="time.out"
  33         echo "$title" > "$timeout"
  34         echo "# $desc" >> "$timeout"
  35         echo "\$ $@" >> "$timeout"
  36         echo
  37         echo "** [$title] $desc **"
  38         echo " $ $@"
  39
  40         # Execute the commands $count times
  41         for i in `seq 1 "$count"`; do
  42                 /usr/bin/time -f "%U" -o "$timeout" -a "$@" > $outputopts 2>&1 || die "$1: failed"
  43                 echo -n "$i. "
  44                 tail -n 1 "$timeout"
  45         done
  46
  47         line=`compute_stats "$timeout"`
  48         echo "$line ($res)"
  49         echo $line >> "$res"
  50 }
  51
  52 # Run a simble command witout storing the execution time
  53 # Used to display command on verbose and skip long executions when dry_run is given
  54 # $@ command to execute
  55 function run_command()
  56 {
  57         if [ "$dry_run" = "true" ]; then return; fi
  58         echo " $ $@"
  59         "$@" || die "$@: failed"
  60 }
  61
  62 # Check if the test should be skiped according to its name
  63 # $1: name of the test
  64 # $2: description of the test
  65 # $NOTSKIPED: arguments
  66 function skip_test()
  67 {
  68         if test -z "$NOTSKIPED"; then
  69                 echo "* $1"
  70                 return 0
  71         fi
  72         if test "$NOTSKIPED" = "all"; then
  73                 : # Execute anyway
  74         elif echo "$1" | egrep "$NOTSKIPED" >/dev/null 2>&1; then
  75                 : # Found one to execute
  76         else
  77                 return 0
  78         fi
  79         if test -n "$html"; then
  80                 echo >>"$html" "<h2>$1</h2>"
  81         fi
  82         echo "*"
  83         echo "* $1 *****"
  84         echo "*"
  85         return 1
  86 }
  87