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Misc/usbbench.sh

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+#!/bin/bash
+
+# Check if the device argument is provided
+if [ -z "$1" ]; then
+    echo "Usage: $0 /dev/sda1"
+    exit 1
+fi
+
+# Set the path to your USB mount point
+USB_PATH="$1"
+
+# Set different file sizes (in MB)
+FILE_SIZES=(10 100 1000 10000)
+
+# Set block size (1M block size for testing)
+BLOCK_SIZE="1M"
+
+# Set the number of iterations for each file size
+ITERATIONS=3
+
+# Start benchmarking
+echo "Starting USB performance benchmark for device: $USB_PATH"
+
+# Loop through the different file sizes
+for SIZE in "${FILE_SIZES[@]}"; do
+    echo "-------------------------------------------"
+    echo "Testing with file size: $SIZE MB"
+
+    # Convert size from MB to bytes for dd
+    SIZE_IN_BYTES=$((SIZE * 1024 * 1024))
+
+    # Loop for the specified number of iterations
+    for i in $(seq 1 $ITERATIONS); do
+        echo "Iteration $i: Testing write speed..."
+
+        # Test write speed
+        WRITE_SPEED=$(sudo dd if=/dev/zero of="$USB_PATH/testfile" bs=$BLOCK_SIZE count=$SIZE oflag=direct 2>&1 | grep -o '[0-9\.]* MB/s' | tail -n 1)
+
+        echo "Iteration $i: Write speed = $WRITE_SPEED"
+
+        echo "Iteration $i: Testing read speed..."
+        
+        # Test read speed
+        READ_SPEED=$(sudo dd if="$USB_PATH/testfile" of=/dev/null bs=$BLOCK_SIZE 2>&1 | grep -o '[0-9\.]* MB/s' | tail -n 1)
+        
+        echo "Iteration $i: Read speed = $READ_SPEED"
+        echo "-------------------------------------------"
+        
+        # Sleep for 1 second between iterations to prevent overload
+        sleep 1
+    done
+
+    # Clean up the test file after benchmarking
+    sudo rm -f "$USB_PATH/testfile"
+done
+
+echo "Benchmarking complete!"
+