#!/bin/sh
#
# Copyright (C) 2011 Thomas Preud'homme <thomas.preud-homme@lip6.fr>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# First argument: classpath
# Second argument: class file containing main

classPath="${1%/}"
bin="${2#${classPath}/}"
bin=$(echo ${bin} | sed -r "s@\.class\$@@;s@/@.@g")

perf stat -r 10 -e cpu-cycles -e L1-dcache-loads -e L1-dcache-stores \
	-e L1-dcache-prefetches -e L1-dcache-load-misses \
	-e L1-dcache-prefetch-misses \
	rvm -cp ${classPath} -Xms2G -Xmx3G -X:processors=1 \
	${bin} 2>&1 # | grep -E "[[:digit:]]  (cycles|L1-dcache-loads|L1-dcache-prefetches|L1-dcache-load-misses|L1-dcache-prefetch-misses)"

#echo "*** Micro benchmark results ***\n"
#echo "Number of loop: ${nbLoop}"
#echo "Number of writes per loop: ${writesPerLoop}"

#echo "L1 data cache hits (total / per loop / per write): ${} / ${} / ${}"
#echo "L1 data cache misses (total / per loop / per write): ${} / ${} / ${}"
#echo "Total cycles (total / per loop / per write): ${} / ${} / ${}"
#echo "----------------------------------------"