functions

#!/bin/bash

# References to the synthetic benchmarks
BW=workloads/Bw
PLL=workloads/PLL
BKPLL=workloads/BkPLL

# Performance counters for measuring LLC statistics
count=armv8_cortex_a72/l2d_cache_refill/,armv8_cortex_a72/l2d_cache/	# For Pi 4
#count=armv8_pmuv3/l2d_cache_refill/,armv8_pmuv3/l2d_cache/				# For Jetson Nano

# LLC partitions for the victim and attacker workloads
vpart=part5
cpart=part6

function BwReadVictimSolo() {
	echo $$ > /sys/fs/cgroup/palloc/$vpart/tasks

	output=`chrt -f 1 perf stat -e $count $BW -c 0 -m $1 -i $2 -t 0 -a $vtype 2>&1` 
	solo=`echo "$output" | grep average | awk 'NF{ print $(NF-7) }'`
	sololat=`echo "$output" | grep average | awk 'NF{ print $(NF-1) }'`
	l2misses=`echo "$output" | grep "l2d_cache_refill/" | awk '{ print $1 }' | sed 's/,//g'`
	l2loads=`echo "$output" | grep "l2d_cache/" | awk '{ print $1 }' | sed 's/,//g'`
	l2missrate=`bc <<< "scale=2; $l2misses*100/$l2loads"`
	echo "Solo, $solo, $sololat, 1.00, $l2misses, $l2loads, $l2missrate"
}

function BwReadVictimCorun() {
	echo $$ > /sys/fs/cgroup/palloc/$vpart/tasks

	output=`chrt -f 1 perf stat -e $count $BW -c 0 -m $1 -i $2 -t 0 -a $vtype 2>&1`
	bw=`echo "$output" | grep average | awk 'NF{ print $(NF-7) }'`
	lat=`echo "$output" | grep average | awk 'NF{ print $(NF-1) }'`
	slowdown=`bc <<< "scale=2; $solo/$bw"`
	l2misses=`echo "$output" |  grep "l2d_cache_refill/" | awk '{ print $1 }' | sed 's/,//g'`
	l2loads=`echo "$output" | grep "l2d_cache/" | awk '{ print $1 }' | sed 's/,//g'`
	l2missrate=`bc <<< "scale=2; $l2misses*100/$l2loads"`
	echo "$corunName, $bw, $lat, $slowdown, $l2misses, $l2loads, $l2missrate"
}

function BkPLLVictimSolo() {
	echo $$ > /sys/fs/cgroup/palloc/$vpart/tasks

	output=`chrt -f 1 perf stat -e $count $BKPLL -c 0 -m $1 -i $2 -l 6 -e 1 -b 0x70 2>&1` 
	solo=`echo "$output" | grep bandwidth | awk 'NF{ print $(NF-1) }'`
	sololat=`echo "$output" | grep latency | awk 'NF{ print $(NF-1) }'`
	l2misses=`echo "$output" | grep "l2d_cache_refill/" | awk '{ print $1 }' | sed 's/,//g'`
	l2loads=`echo "$output" | grep "l2d_cache/" | awk '{ print $1 }' | sed 's/,//g'`
	l2missrate=`bc <<< "scale=2; $l2misses*100/$l2loads"`
	echo "Solo, $solo, $sololat, 1.00, $l2misses, $l2loads, $l2missrate"
}

function BkPLLVictimCorun() {
	echo $$ > /sys/fs/cgroup/palloc/$vpart/tasks

	output=`chrt -f 1 perf stat -e $count $BKPLL -c 0 -m $1 -i $2 -l 6 -e 1 -b 0x70 2>&1` 
	bw=`echo "$output" | grep bandwidth | awk 'NF{ print $(NF-1) }'`
	lat=`echo "$output" | grep bandwidth | awk 'NF{ print $(NF-1) }'`
	slowdown=`bc <<< "scale=2; $solo/$bw"`
	l2misses=`echo "$output" |  grep "l2d_cache_refill/" | awk '{ print $1 }' | sed 's/,//g'`
	l2loads=`echo "$output" | grep "l2d_cache/" | awk '{ print $1 }' | sed 's/,//g'`
	l2missrate=`bc <<< "scale=2; $l2misses*100/$l2loads"`
	echo "$corunName, $bw, $lat, $slowdown, $l2misses, $l2loads, $l2missrate"
}

function BwWriteCorun() {
	echo $$ > /sys/fs/cgroup/palloc/$cpart/tasks
    
    corun=$BW
    corunName="Bw${ctypestr}($1)"

	for ((i=1; i<4; i++)); do
		$corun -c $i -m $1 -a $ctype -t 0 &> /dev/null &
	done
}

function PLLWriteCorun() {
	echo $$ > /sys/fs/cgroup/palloc/$cpart/tasks

    corun=$PLL
    corunName="PLL${ctypestr}(${1})"

	for ((i=1; i<4; i++)); do
		$corun -c $i -m $1 -a $ctype -l 6 -i 99999999 &> /dev/null &
	done
}

function BkPLLWriteCorun() {
	echo $$ > /sys/fs/cgroup/palloc/$cpart/tasks
	
    corun=$BKPLL
    corunName="BkPLL${ctypestr}(${1})"

    for ((i=1; i<4; i++)); do
		$corun -c $i -m $1 -a $ctype -l 6 -i 99999999 -e $2 -b 0x70 &> /dev/null &
	done
}

function BkPLLWriteCorunVary() {
	echo $$ > /sys/fs/cgroup/palloc/$cpart/tasks

	corun=$BKPLL
    corunName="BkPLL${ctypestr}(${1})"

    for ((i=$2; i<4; i++)); do
		$corun -c $i -m $1 -a $ctype -l 6 -i 99999999 -e $3 -b 0x70 &> /dev/null &
	done
}