#!/bin/bash

# Settings
ISO_FILE="Fedora-Workstation-43.iso" 
LEVEL="-6"
THREADS=(1 4 8)

# Check for file
if [ ! -f "$ISO_FILE" ]; then
    echo "Error: $ISO_FILE not found."
    exit 1
fi

echo "--- Benchmarking xz Scaling on RISC-V ---"
echo "Target: $ISO_FILE (Level $LEVEL)"
echo "--------------------------------------------------------"
echo "Threads | Real Time | User Time | CPU % | RAM (est)"
echo "--------------------------------------------------------"

for T in "${THREADS[@]}"; do
    # Calculate estimated RAM usage for Level 6
    RAM_EST=$((T * 94))
    
    # We use /usr/bin/time to capture:
    # %e (wall time), %U (user time), %P (CPU percentage)
    /usr/bin/time -f "   $T    |   %es   |   %Us   |  %P  | ~${RAM_EST}MB" \
        xz $LEVEL -T$T -c "$ISO_FILE" > /dev/null
done

echo "--------------------------------------------------------"
echo "Done. No files were written to disk."