#!/bin/sh
# set -x

if [ $# -lt 2 ]; then
  echo "usage: perf_run_gc iterations options [conf-name]"
  echo "example: perf_run 100 \"-bm=default -log\" pdata"
  exit 1
fi

BINDIR=`dirname $0`

test -z "$RAILS_PERF_DATA" && RAILS_PERF_DATA=$HOME

ITER="$1"
OPT="$2"
BENCHMARK=""
WARMUP="-warmup"
use_patched_gc="no"
for opt in $OPT; do
  case $opt in
  -bm=*) BENCHMARK=${opt#-bm=};;
  -warmup) WARMUP="";;
  -patched_gc) use_patched_gc="yes";;
  esac
done

DATE=`date +%m-%d`
if [ $# == 3 ]; then
  BENCHMARK_FILE="$RAILS_PERF_DATA/${DATE}.${BENCHMARK}.$3.gc.txt"
else
  BENCHMARK_FILE="$RAILS_PERF_DATA/perf_run.${BENCHMARK}.gc.txt"
fi

PERF_OPTIONS="$ITER $WARMUP $OPT"

if [ "${use_patched_gc}" = "no" ]; then
  unset RUBY_HEAP_MIN_SLOTS RUBY_GC_MALLOC_LIMIT RUBY_HEAP_FREE_MIN
fi

unset RUBY_GC_STATS RUBY_GC_DATA_FILE

(RUBY_GC_STATS=1 RUBY_GC_DATA_FILE=$BENCHMARK_FILE ruby $BINDIR/run_urls $PERF_OPTIONS >/dev/null) &&\
ruby $BINDIR/perf_times_gc $BENCHMARK_FILE