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#!/bin/sh
set -e
err=0
MEMTIER=../../memtier
gcc -Wall -shared fakecap.c -fPIC -o fakecap.so
$MEMTIER -r 1:0 /bin/true
calc_ratio()
{
ratio=$(FAKE_REGULAR=$1 FAKE_DAX_KMEM=$2 LD_PRELOAD=$(pwd)/fakecap.so $MEMTIER -v none 2>&1|
grep 'Using ratio'|cut -d' ' -f5)
if [ "x$3" = "x$ratio" ]; then
printf '\e[32m✓\e[0m %s %s → %s\n' $1 $2 "$ratio"
else
printf '\e[31m✗\e[0m %s %s → %s\n' $1 $2 "$ratio"
err=1
fi
}
calc_ratio 1 1 1:1
calc_ratio 512 4096 1:8
calc_ratio 512G 4T 1:8
calc_ratio 1000017 3000000 1:3
calc_ratio 20G 50G 2:5
calc_ratio 740 500 3:2
calc_ratio 259872501760 128835989504 2:1
bad_r()
{
ratio=$(LD_PRELOAD=$(pwd)/fakecap.so $MEMTIER -r $1 -v none 2>&1) || ret=$?
if [ $ret -eq 1 ] && echo "$ratio"|grep -q "$2"; then
printf '\e[32m✓\e[0m -r %s → %s\n' "$1" "$2"
else
printf '\e[31m✗\e[0m -r %s ↛ %s\n%s\n' "$1" "$2" "$ratio"
err=1
fi
}
bad_r 1.1:1 integer
bad_r 1:1.1 integer
bad_r -1:1 plausible
bad_r 18446744073709551615:1 plausible
bad_r 9223372036854775807:1 plausible
bad_r 0:0 empty
exit $err
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