#!/bin/bash

# lmbench - run the lmbench benchmark suite.
#
# Hacked by Larry McVoy (lm@sun.com, lm@sgi.com, lm@bitmover.com).
# Copyright (c) 1994 Larry McVoy.  GPLed software.
# $Id$

# Make sure we can find: ./cmd, df, and netstat
PATH=.:../../scripts:$PATH:/etc:/usr/etc:/sbin:/usr/sbin
export PATH

echo PATH = $PATH
echo lat_syscall = `readlink -f lat_syscall`

if [ -f $1 ]
then	. $1
	echo Using config in $1 >> ${OUTPUT}
else	echo Using defaults >> ${OUTPUT}
	ENOUGH=1000000
	TIMING_O=0
	LOOP_O=0
fi
export ENOUGH TIMING_O LOOP_O

if [ X$FILE = X ]
then	FILE=/tmp/XXX
	touch $FILE || echo Can not create $FILE >> ${OUTPUT}
fi
if [ X$MB = X ]
then	MB=8
fi
AVAILKB=`expr $MB \* 1024`

# Figure out how big we can go for stuff that wants to use
# all and half of memory.
HALF="512 1k 2k 4k 8k 16k 32k 64k 128k 256k 512k 1m"
ALL="$HALF 2m"
i=4
while [ $i -le $MB ]
do
	ALL="$ALL ${i}m"
	h=`expr $i / 2`
	HALF="$HALF ${h}m"
	i=`expr $i \* 2`
done


if [ X$FSDIR = X ]
then	FSDIR=/tmp/lat_fs
fi
MP=N

# Figure out as much stuff as we can about this system.
# Sure would be nice if everyone had SGI's "hinv".
echo \[lmbench2.0 results for `uname -a`] 1>&2
echo \[ALL: ${ALL}] 1>&2
echo \[DISKS: ${DISKS}] 1>&2
echo \[DISK_DESC: ${DISK_DESC}] 1>&2
echo \[ENOUGH: ${ENOUGH}] 1>&2
echo \[FAST: ${FAST}] 1>&2
echo \[FASTMEM: ${FASTMEM}] 1>&2
echo \[FILE: ${FILE}] 1>&2
echo \[FSDIR: ${FSDIR}] 1>&2
echo \[HALF: ${HALF}] 1>&2
echo \[INFO: ${INFO}] 1>&2
echo \[LOOP_O: ${LOOP_O}] 1>&2
echo \[MB: ${MB}] 1>&2
echo \[MHZ: ${MHZ}] 1>&2
echo \[MOTHERBOARD: ${MOTHERBOARD}] 1>&2
echo \[NETWORKS: ${NETWORKS}] 1>&2
echo \[PROCESSORS: ${PROCESSORS}] 1>&2
echo \[REMOTE: ${REMOTE}] 1>&2
echo \[SLOWFS: ${SLOWFS}] 1>&2
echo \[OS: ${OS}] 1>&2
echo \[TIMING_O: ${TIMING_O}] 1>&2
echo \[LMBENCH VERSION: ${VERSION}] 1>&2
echo \[USER: $USER] 1>&2
echo \[HOSTNAME: `hostname`] 1>&2
echo \[NODENAME: `uname -n`] 1>&2
echo \[SYSNAME: `uname -s`] 1>&2
echo \[PROCESSOR: `uname -p`] 1>&2
echo \[MACHINE: `uname -m`] 1>&2
echo \[RELEASE: `uname -r`] 1>&2
echo \[VERSION: `uname -v`] 1>&2
#if 0
echo \[`date`] 1>&2
echo \[`uptime`] 1>&2
netstat -i | while read i
do	echo \[net: "$i"] 1>&2
	set `echo $i`
	case $1 in
	    *ame)	;;
	    *)		ifconfig $1 | while read i
			do echo \[if: "$i"] 1>&2
			done
			;;
	esac
done

mount | while read i
do	echo \[mount: "$i"] 1>&2
done

STAT=$FSDIR/lmbench
mkdir $FSDIR 2>/dev/null
touch $STAT 2>/dev/null
if [ ! -f $STAT ]
then	echo "Can't make a file - $STAT - in $FSDIR" >> ${OUTPUT}
	touch $STAT
	exit 1
fi

function work {
	echo "$@"
	"$@" 3>&1 >&2 2>&3 3>&-
}

date >> ${OUTPUT}
echo Latency measurements >> ${OUTPUT}
work lat_syscall null
work lat_syscall read
work lat_syscall write
work lat_syscall stat $STAT
work lat_syscall fstat $STAT
work lat_syscall open $STAT
for i in 10 100 250 500; do work lat_select file $i; done
for i in 10 100 250 500; do work lat_select tcp $i; done
work lat_sig install
work lat_sig catch
work lat_sig prot lat_sig
work lat_pipe
work lat_unix
#fi
cp hello /tmp/hello
for i in fork exec shell; do work lat_proc $i; done
rm /tmp/hello 
rm -f $FILE
work lmdd label="File $FILE write bandwidth:" of=$FILE move=${MB}m fsync=1 print=3
work lat_pagefault $FILE
echo "" 1>&2
echo \"mappings 1>&2
for i in $ALL; do work lat_mmap $i $FILE; done
echo "" 1>&2
if [ X$SLOWFS != XYES ]
then	date >> ${OUTPUT}
	echo Calculating file system latency >> ${OUTPUT}
	echo '"File system latency' 1>&2
	work lat_fs $FSDIR
	echo "" 1>&2
fi

if [ X"$DISKS" != X ]
then	for i in $DISKS
	do	if [ -r $i ]
		then	echo "Calculating disk zone bw & seek times" >> ${OUTPUT}
			work disk $i
			echo "" 1>&2
		fi
	done
fi

date >> ${OUTPUT}
sleep 30
echo "sleep for 30"  
echo Local networking >> ${OUTPUT}
#if [ ! -d /tmp/webpage-lm ]
#then	TAR=${PWD}/../../src/webpage-lm.tar
#	(cd /tmp && tar xf ${TAR})
#	sync
#	sleep 5
#fi
#SERVERS="lat_udp lat_tcp lat_rpc lat_connect bw_tcp"
SERVERS="lat_udp lat_tcp lat_connect bw_tcp"
for server in $SERVERS; do work $server -s; done
#work env DOCROOT=/tmp/webpage-lm lmhttp 8008 &
#sleep 60
echo "sleeep for 30" 
for i in 127.0.0.1
do
        work lat_udp $i
	sleep 5
	work lat_udp -$i
	sleep 5
	work lat_tcp $i
	sleep 5
	work lat_tcp -$i
	sleep 5
	#work lat_rpc $i
	#work lat_rpc -$i
	work lat_connect $i
	sleep 5
	work lat_connect -$i
	work bw_tcp $i
	work bw_tcp -$i
	# I want a hot cache number
	#work lat_http $i 8008 < /tmp/webpage-lm/URLS > /dev/null 2>&1
	#work lat_http $i 8008 < /tmp/webpage-lm/URLS
	#work lat_http -$i 8008
done

for remote in $REMOTE
do	echo Networking to $remote >> ${OUTPUT}
	$RCP $SERVERS lmhttp /tmp/webpage-lm.tar ${remote}:/tmp/rcp/
	for server in $SERVERS
	do	$RSH $remote -n /tmp/$server -s &
	done
	$RSH $remote -n 'cd /tmp; tar xf webpage-lm.tar; cd webpage-lm; ../lmhttp 8008' &
	sleep 10
	echo "[ Networking remote to $remote: `$RSH $remote uname -a` ]" 1>&2
	work lat_udp $remote; lat_udp -$remote;
	work lat_tcp $remote; lat_tcp -$remote;
	#work lat_rpc $remote udp; lat_rpc $remote tcp; lat_rpc -$remote; 
	work lat_connect $remote; lat_connect -$remote;
	work bw_tcp $remote; bw_tcp -$remote
	# I want a hot cache number
	#work lat_http $remote 8008 < /tmp/webpage-lm/URLS > /dev/null 2>&1
	#work lat_http $remote 8008 < /tmp/webpage-lm/URLS
	#work lat_http -$remote 8008
	RM=
	for server in $SERVERS
	do	RM="/tmp/$server $RM"
	done
	$RSH $remote rm $RM
done

exit #exit because we do not need these bandwith tests for the paper 
date >> ${OUTPUT}
echo Bandwidth measurements >> ${OUTPUT}
work bw_unix
work bw_pipe
echo "" 1>&2
echo \"read bandwidth 1>&2
for i in $ALL; do work bw_file_rd $i io_only $FILE; done
echo "" 1>&2

echo "" 1>&2
echo \"read open2close bandwidth 1>&2
for i in $ALL; do work bw_file_rd $i open2close $FILE; done
echo "" 1>&2

echo \"Mmap read bandwidth 1>&2
for i in $ALL; do work bw_mmap_rd $i mmap_only $FILE; done
echo "" 1>&2

echo \"Mmap read open2close bandwidth 1>&2
for i in $ALL; do work bw_mmap_rd $i open2close $FILE; done
echo "" 1>&2
rm -f $FILE

echo \"libc bcopy unaligned 1>&2
for i in $HALF; do work bw_mem $i bcopy; done; echo "" 1>&2

echo \"libc bcopy aligned 1>&2
for i in $HALF; do work bw_mem $i bcopy conflict; done; echo "" 1>&2

echo \"unrolled bcopy unaligned 1>&2
for i in $HALF; do work bw_mem $i fcp; done; echo "" 1>&2

echo \"unrolled partial bcopy unaligned 1>&2
for i in $HALF; do work bw_mem $i cp; done; echo "" 1>&2

echo "Memory read bandwidth" 1>&2
for i in $ALL; do work bw_mem $i frd; done; echo "" 1>&2

echo "Memory partial read bandwidth" 1>&2
for i in $ALL; do work bw_mem $i rd; done; echo "" 1>&2

echo "Memory write bandwidth" 1>&2
for i in $ALL; do work bw_mem $i fwr; done; echo "" 1>&2

echo "Memory partial write bandwidth" 1>&2
for i in $ALL; do work bw_mem $i wr; done; echo "" 1>&2

echo "Memory partial read/write bandwidth" 1>&2
for i in $ALL; do work bw_mem $i rdwr; done; echo "" 1>&2

echo "Memory bzero bandwidth" 1>&2
for i in $ALL; do work bw_mem $i bzero; done; echo "" 1>&2

date >> ${OUTPUT}
msleep 250
echo Calculating context switch overhead >> ${OUTPUT}
if [ $MB -ge 8 ]
then	CTX="0 4 8 16 32 64"
	N="2 4 8 16 24 32 64 96"
else
	CTX="0 4 8 16 32"
	N="2 4 8 16 24 32 64 96"
fi
	
for size in $CTX; do work lat_ctx -s $size $N; done

date >> ${OUTPUT}
echo Calculating memory load latency >> ${OUTPUT}
msleep 250
echo "" 1>&2
echo "Memory load latency" 1>&2
if [ X$FASTMEM = XYES ]
then	work lat_mem_rd $MB 128
else	work lat_mem_rd $MB 16 32 64 128 256 512 1024 
fi
date >> ${OUTPUT}
echo '' 1>&2
echo \[`date`] 1>&2

exit 0