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496 lines
19 KiB
Python
496 lines
19 KiB
Python
#!/usr/bin/env python3
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"""
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Performance Tests for Debian bootc-image-builder
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Phase 4.2: Performance and Optimization (Weeks 23-24)
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"""
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import os
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import sys
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import time
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import psutil
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import tempfile
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import shutil
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import json
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import unittest
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import logging
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from datetime import datetime
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# Add the project root to the path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
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# Add the osbuild-stages directory to the path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..', 'osbuild-stages'))
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# Import using the correct module paths
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import apt_stage.apt_stage as apt_module
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import debian_filesystem_stage.debian_filesystem_stage as fs_module
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import debian_kernel_stage.debian_kernel_stage as kernel_module
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import debian_grub_stage.debian_grub_stage as grub_module
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AptStage = apt_module.AptStage
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DebianFilesystemStage = fs_module.DebianFilesystemStage
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DebianKernelStage = kernel_module.DebianKernelStage
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DebianGrubStage = grub_module.DebianGrubStage
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# Configure logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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class PerformanceTest(unittest.TestCase):
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"""Performance tests for Debian bootc-image-builder components."""
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def setUp(self):
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"""Set up test fixtures."""
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self.temp_dir = tempfile.mkdtemp(prefix="perf_test_")
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self.results = {}
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# Record system information
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self.results['system_info'] = {
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'cpu_count': psutil.cpu_count(),
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'memory_total': psutil.virtual_memory().total,
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'disk_free': psutil.disk_usage('/').free,
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'python_version': sys.version,
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'timestamp': datetime.now().isoformat()
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}
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logger.info(f"Performance test setup - CPUs: {self.results['system_info']['cpu_count']}, "
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f"Memory: {self.results['system_info']['memory_total'] // (1024**3)} GB")
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def tearDown(self):
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"""Clean up test fixtures."""
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if os.path.exists(self.temp_dir):
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shutil.rmtree(self.temp_dir)
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def measure_performance(self, func, *args, **kwargs):
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"""Measure performance of a function."""
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process = psutil.Process()
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initial_memory = process.memory_info().rss
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start_time = time.time()
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result = func(*args, **kwargs)
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end_time = time.time()
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final_memory = process.memory_info().rss
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memory_used = final_memory - initial_memory
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return {
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'result': result,
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'execution_time': end_time - start_time,
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'memory_used': memory_used,
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'peak_memory': max(initial_memory, final_memory)
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}
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def test_apt_stage_performance(self):
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"""Test APT stage performance."""
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logger.info("Testing APT stage performance...")
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# Test configuration
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test_options = {
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'packages': [
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'linux-image-amd64', 'systemd', 'initramfs-tools', 'grub-efi-amd64',
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'util-linux', 'parted', 'e2fsprogs', 'dosfstools', 'ostree'
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],
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'release': 'trixie',
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'arch': 'amd64',
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'repos': [
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{
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'name': 'debian',
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'url': 'http://deb.debian.org/debian',
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'suite': 'trixie',
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'components': ['main', 'contrib']
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}
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]
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}
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# Create mock context
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class MockContext:
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def __init__(self, root_dir):
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self.root = root_dir
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self.run_calls = []
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def run(self, cmd, *args, **kwargs):
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self.run_calls.append(cmd)
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# Simulate successful command execution
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return type('MockResult', (), {'returncode': 0, 'stdout': '', 'stderr': ''})()
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context = MockContext(self.temp_dir)
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# Test initialization performance
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def init_apt_stage():
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return AptStage(test_options)
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init_metrics = self.measure_performance(init_apt_stage)
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# Test execution performance
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apt_stage = AptStage(test_options)
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def run_apt_stage():
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return apt_stage.run(context)
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execution_metrics = self.measure_performance(run_apt_stage)
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# Store results
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self.results['apt_stage'] = {
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'initialization': init_metrics,
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'execution': execution_metrics,
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'total_packages': len(test_options['packages']),
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'repositories': len(test_options['repos'])
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}
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# Assertions for performance
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self.assertLess(init_metrics['execution_time'], 1.0, "APT stage initialization should be fast")
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self.assertLess(execution_metrics['execution_time'], 5.0, "APT stage execution should be reasonable")
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self.assertLess(execution_metrics['memory_used'], 100 * 1024 * 1024, "APT stage should use reasonable memory") # 100 MB
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logger.info(f"APT Stage - Init: {init_metrics['execution_time']:.3f}s, "
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f"Exec: {execution_metrics['execution_time']:.3f}s, "
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f"Memory: {execution_metrics['memory_used'] // 1024} KB")
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def test_filesystem_stage_performance(self):
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"""Test filesystem stage performance."""
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logger.info("Testing filesystem stage performance...")
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test_options = {
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'rootfs_type': 'ext4',
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'ostree_integration': True,
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'home_symlink': True
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}
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class MockContext:
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def __init__(self, root_dir):
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self.root = root_dir
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context = MockContext(self.temp_dir)
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# Test filesystem stage performance
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def run_filesystem_stage():
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stage = DebianFilesystemStage(test_options)
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return stage.run(context)
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metrics = self.measure_performance(run_filesystem_stage)
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# Store results
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self.results['filesystem_stage'] = {
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'execution': metrics,
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'options': test_options
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}
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# Assertions for performance
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self.assertLess(metrics['execution_time'], 2.0, "Filesystem stage should be fast")
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self.assertLess(metrics['memory_used'], 50 * 1024 * 1024, "Filesystem stage should use reasonable memory") # 50 MB
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logger.info(f"Filesystem Stage - Exec: {metrics['execution_time']:.3f}s, "
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f"Memory: {metrics['memory_used'] // 1024} KB")
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def test_kernel_stage_performance(self):
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"""Test kernel stage performance."""
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logger.info("Testing kernel stage performance...")
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test_options = {
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'kernel_package': 'linux-image-amd64',
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'initramfs_tools': True,
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'ostree_integration': True,
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'modules_autoload': True
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}
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class MockContext:
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def __init__(self, root_dir):
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self.root = root_dir
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def run(self, cmd, *args, **kwargs):
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# Simulate successful command execution
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return type('MockResult', (), {'returncode': 0, 'stdout': '', 'stderr': ''})()
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context = MockContext(self.temp_dir)
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# Test kernel stage performance
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def run_kernel_stage():
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stage = DebianKernelStage(test_options)
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return stage.run(context)
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metrics = self.measure_performance(run_kernel_stage)
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# Store results
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self.results['kernel_stage'] = {
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'execution': metrics,
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'options': test_options
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}
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# Assertions for performance
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self.assertLess(metrics['execution_time'], 3.0, "Kernel stage should be reasonable")
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self.assertLess(metrics['memory_used'], 100 * 1024 * 1024, "Kernel stage should use reasonable memory") # 100 MB
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logger.info(f"Kernel Stage - Exec: {metrics['execution_time']:.3f}s, "
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f"Memory: {metrics['memory_used'] // 1024} KB")
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def test_grub_stage_performance(self):
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"""Test GRUB stage performance."""
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logger.info("Testing GRUB stage performance...")
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test_options = {
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'ostree_integration': True,
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'uefi': True,
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'secure_boot': False
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}
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class MockContext:
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def __init__(self, root_dir):
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self.root = root_dir
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def run(self, cmd, *args, **kwargs):
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# Simulate successful command execution
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return type('MockResult', (), {'returncode': 0, 'stdout': '', 'stderr': ''})()
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context = MockContext(self.temp_dir)
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# Test GRUB stage performance
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def run_grub_stage():
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stage = DebianGrubStage(test_options)
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return stage.run(context)
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metrics = self.measure_performance(run_grub_stage)
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# Store results
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self.results['grub_stage'] = {
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'execution': metrics,
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'options': test_options
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}
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# Assertions for performance
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self.assertLess(metrics['execution_time'], 2.0, "GRUB stage should be fast")
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self.assertLess(metrics['memory_used'], 50 * 1024 * 1024, "GRUB stage should use reasonable memory") # 50 MB
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logger.info(f"GRUB Stage - Exec: {metrics['execution_time']:.3f}s, "
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f"Memory: {metrics['memory_used'] // 1024} KB")
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def test_full_pipeline_performance(self):
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"""Test full pipeline performance."""
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logger.info("Testing full pipeline performance...")
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# Test configuration for full pipeline
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test_options = {
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'packages': [
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'linux-image-amd64', 'systemd', 'initramfs-tools', 'grub-efi-amd64',
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'util-linux', 'parted', 'e2fsprogs', 'dosfstools', 'ostree'
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],
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'release': 'trixie',
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'arch': 'amd64',
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'repos': [
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{
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'name': 'debian',
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'url': 'http://deb.debian.org/debian',
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'suite': 'trixie',
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'components': ['main', 'contrib']
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}
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]
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}
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class MockContext:
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def __init__(self, root_dir):
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self.root = root_dir
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self.run_calls = []
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def run(self, cmd, *args, **kwargs):
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self.run_calls.append(cmd)
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# Simulate successful command execution
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return type('MockResult', (), {'returncode': 0, 'stdout': '', 'stderr': ''})()
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context = MockContext(self.temp_dir)
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# Test complete pipeline performance
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def run_full_pipeline():
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# Filesystem stage
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fs_stage = DebianFilesystemStage({
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'rootfs_type': 'ext4',
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'ostree_integration': True,
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'home_symlink': True
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})
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fs_stage.run(context)
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# APT stage
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apt_stage = AptStage(test_options)
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apt_stage.run(context)
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# Kernel stage
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kernel_stage = DebianKernelStage({
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'kernel_package': 'linux-image-amd64',
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'initramfs_tools': True,
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'ostree_integration': True,
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'modules_autoload': True
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})
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kernel_stage.run(context)
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# GRUB stage
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grub_stage = DebianGrubStage({
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'ostree_integration': True,
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'uefi': True,
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'secure_boot': False
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})
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grub_stage.run(context)
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return len(context.run_calls)
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metrics = self.measure_performance(run_full_pipeline)
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# Store results
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self.results['full_pipeline'] = {
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'execution': metrics,
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'total_commands': metrics['result'],
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'stages_executed': 4
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}
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# Assertions for performance
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self.assertLess(metrics['execution_time'], 10.0, "Full pipeline should complete in reasonable time")
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self.assertLess(metrics['memory_used'], 200 * 1024 * 1024, "Full pipeline should use reasonable memory") # 200 MB
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logger.info(f"Full Pipeline - Exec: {metrics['execution_time']:.3f}s, "
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f"Memory: {metrics['memory_used'] // 1024} KB, "
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f"Commands: {metrics['result']}")
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def test_go_binary_performance(self):
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"""Test Go binary performance."""
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logger.info("Testing Go binary performance...")
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go_binary = "bib/bootc-image-builder"
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if not os.path.exists(go_binary):
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logger.warning(f"Go binary not found: {go_binary}")
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self.skipTest("Go binary not available")
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# Test binary startup performance
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def run_go_binary():
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import subprocess
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result = subprocess.run([go_binary, "--version"],
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capture_output=True, text=True, timeout=10)
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return result.returncode == 0
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metrics = self.measure_performance(run_go_binary)
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# Store results
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self.results['go_binary'] = {
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'startup': metrics,
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'binary_size': os.path.getsize(go_binary) if os.path.exists(go_binary) else 0
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}
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# Assertions for performance
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self.assertLess(metrics['execution_time'], 2.0, "Go binary startup should be fast")
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self.assertLess(metrics['memory_used'], 50 * 1024 * 1024, "Go binary should use reasonable memory") # 50 MB
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logger.info(f"Go Binary - Startup: {metrics['execution_time']:.3f}s, "
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f"Memory: {metrics['memory_used'] // 1024} KB")
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def test_performance_summary(self):
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"""Generate performance summary and save results."""
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logger.info("Generating performance summary...")
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# Calculate summary statistics
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total_execution_time = 0
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total_memory_used = 0
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stage_count = 0
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for stage_name, stage_data in self.results.items():
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if stage_name == 'system_info':
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continue
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if 'execution' in stage_data:
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total_execution_time += stage_data['execution']['execution_time']
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total_memory_used += stage_data['execution']['memory_used']
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stage_count += 1
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# Performance summary
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self.results['summary'] = {
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'total_execution_time': total_execution_time,
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'total_memory_used': total_memory_used,
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'average_execution_time': total_execution_time / stage_count if stage_count > 0 else 0,
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'peak_memory_usage': max(
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stage_data.get('execution', {}).get('peak_memory', 0)
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for stage_name, stage_data in self.results.items()
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if stage_name != 'system_info'
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),
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'stage_count': stage_count
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}
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# Save results to file
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report_file = os.path.join(self.temp_dir, 'performance_results.json')
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with open(report_file, 'w') as f:
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json.dump(self.results, f, indent=2)
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# Generate human-readable report
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self.generate_human_readable_report()
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# Final assertions
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summary = self.results['summary']
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self.assertLess(summary['total_execution_time'], 15.0, "Total execution time should be reasonable")
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self.assertLess(summary['peak_memory_usage'], 300 * 1024 * 1024, "Peak memory usage should be reasonable") # 300 MB
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logger.info(f"Performance summary - Total: {summary['total_execution_time']:.3f}s, "
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f"Memory: {summary['total_memory_used'] // 1024} KB, "
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f"Peak: {summary['peak_memory_usage'] // 1024} KB")
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logger.info(f"Performance results saved to: {report_file}")
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def generate_human_readable_report(self):
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"""Generate human-readable performance report."""
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report_file = os.path.join(self.temp_dir, 'performance_report.txt')
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with open(report_file, 'w') as f:
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f.write("=" * 80 + "\n")
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f.write("DEBIAN BOOTC-IMAGE-BUILDER PERFORMANCE TEST RESULTS\n")
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f.write("=" * 80 + "\n")
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f.write(f"Generated: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n\n")
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# System information
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f.write("SYSTEM INFORMATION\n")
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f.write("-" * 40 + "\n")
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sys_info = self.results['system_info']
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f.write(f"CPU Count: {sys_info['cpu_count']}\n")
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f.write(f"Total Memory: {sys_info['memory_total'] // (1024**3)} GB\n")
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f.write(f"Free Disk Space: {sys_info['disk_free'] // (1024**3)} GB\n")
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f.write(f"Python Version: {sys_info['python_version']}\n\n")
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# Stage performance
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f.write("STAGE PERFORMANCE\n")
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f.write("-" * 40 + "\n")
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for stage_name, stage_data in self.results.items():
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if stage_name in ['system_info', 'summary']:
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continue
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f.write(f"\n{stage_name.upper().replace('_', ' ')}:\n")
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if 'initialization' in stage_data:
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init = stage_data['initialization']
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f.write(f" Initialization: {init['execution_time']:.3f}s, "
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f"{init['memory_used'] // 1024} KB\n")
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if 'execution' in stage_data:
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exec_data = stage_data['execution']
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f.write(f" Execution: {exec_data['execution_time']:.3f}s, "
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f"{exec_data['memory_used'] // 1024} KB\n")
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# Summary
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f.write("\n" + "=" * 80 + "\n")
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f.write("PERFORMANCE SUMMARY\n")
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f.write("=" * 80 + "\n")
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summary = self.results['summary']
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f.write(f"Total Execution Time: {summary['total_execution_time']:.3f}s\n")
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f.write(f"Total Memory Used: {summary['total_memory_used'] // 1024} KB\n")
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f.write(f"Average Execution Time: {summary['average_execution_time']:.3f}s\n")
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f.write(f"Peak Memory Usage: {summary['peak_memory_usage'] // 1024} KB\n")
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f.write(f"Stages Tested: {summary['stage_count']}\n")
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f.write("\n✅ All performance tests passed!\n")
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logger.info(f"Human-readable report saved to: {report_file}")
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def main():
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"""Run performance tests."""
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print("=" * 80)
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print("DEBIAN BOOTC-IMAGE-BUILDER PERFORMANCE TESTS")
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print("Phase 4.2: Performance and Optimization (Weeks 23-24)")
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print("=" * 80)
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# Run tests
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unittest.main(verbosity=2, exit=False)
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if __name__ == "__main__":
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main()
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