blob: 670ae4d0e366f1ffe032a6605e018c02a63f2759 [file] [log] [blame]
#!/usr/bin/env python
import json
import logging
import shutil
import signal
import subprocess
import sys
import tempfile
import time
import os
from webkitpy.benchmark_runner.benchmark_builder import BenchmarkBuilder
from webkitpy.benchmark_runner.benchmark_results import BenchmarkResults
from webkitpy.benchmark_runner.browser_driver.browser_driver_factory import BrowserDriverFactory
if sys.version_info > (3, 0):
def istext(a):
return isinstance(a, bytes) or isinstance(a, str)
else:
def istext(a):
return isinstance(a, str) or isinstance(a, unicode)
_log = logging.getLogger(__name__)
class BenchmarkRunner(object):
name = 'benchmark_runner'
def __init__(self, plan_file, local_copy, count_override, build_dir, output_file, platform, browser, browser_path, scale_unit=True, show_iteration_values=False, device_id=None, diagnose_dir=None):
try:
plan_file = self._find_plan_file(plan_file)
with open(plan_file, 'r') as fp:
self._plan_name = os.path.split(os.path.splitext(plan_file)[0])[1]
self._plan = json.load(fp)
if not 'options' in self._plan:
self._plan['options'] = {}
if local_copy:
self._plan['local_copy'] = local_copy
if count_override:
self._plan['count'] = count_override
self._browser_driver = BrowserDriverFactory.create(platform, browser)
self._browser_path = browser_path
self._build_dir = os.path.abspath(build_dir) if build_dir else None
self._diagnose_dir = os.path.abspath(diagnose_dir) if diagnose_dir else None
self._output_file = output_file
self._scale_unit = scale_unit
self._show_iteration_values = show_iteration_values
self._config = self._plan.get('config', {})
if device_id:
self._config['device_id'] = device_id
except IOError as error:
_log.error('Can not open plan file: {plan_file} - Error {error}'.format(plan_file=plan_file, error=error))
raise error
except ValueError as error:
_log.error('Plan file: {plan_file} may not follow JSON format - Error {error}'.format(plan_file=plan_file, error=error))
raise error
def _find_plan_file(self, plan_file):
if not os.path.exists(plan_file):
abs_path = os.path.join(BenchmarkRunner.plan_directory(), plan_file)
if os.path.exists(abs_path):
return abs_path
if not abs_path.endswith('.plan'):
abs_path += '.plan'
if os.path.exists(abs_path):
return abs_path
return plan_file
@staticmethod
def plan_directory():
return os.path.join(os.path.dirname(__file__), 'data/plans')
@staticmethod
def available_plans():
plans = [os.path.splitext(plan_file)[0] for plan_file in os.listdir(BenchmarkRunner.plan_directory()) if plan_file.endswith(".plan")]
return plans
def _run_one_test(self, web_root, test_file):
raise NotImplementedError('BenchmarkRunner is an abstract class and shouldn\'t be instantiated.')
def _run_benchmark(self, count, web_root):
results = []
debug_outputs = []
try:
self._browser_driver.prepare_initial_env(self._config)
for iteration in range(1, count + 1):
_log.info('Start the iteration {current_iteration} of {iterations} for current benchmark'.format(current_iteration=iteration, iterations=count))
try:
self._browser_driver.prepare_env(self._config)
if 'entry_point' in self._plan:
result = self._run_one_test(web_root, self._plan['entry_point'])
debug_outputs.append(result.pop('debugOutput', None))
assert(result)
results.append(result)
elif 'test_files' in self._plan:
run_result = {}
for test in self._plan['test_files']:
result = self._run_one_test(web_root, test)
assert(result)
run_result = self._merge(run_result, result)
debug_outputs.append(result.pop('debugOutput', None))
results.append(run_result)
else:
raise Exception('Plan does not contain entry_point or test_files')
finally:
self._browser_driver.restore_env()
_log.info('End the iteration {current_iteration} of {iterations} for current benchmark'.format(current_iteration=iteration, iterations=count))
finally:
self._browser_driver.restore_env_after_all_testing()
results = self._wrap(results)
output_file = self._output_file if self._output_file else self._plan['output_file']
self._dump(self._merge({'debugOutput': debug_outputs}, results), output_file)
self.show_results(results, self._scale_unit, self._show_iteration_values)
def execute(self):
with BenchmarkBuilder(self._plan_name, self._plan, self.name) as web_root:
self._run_benchmark(int(self._plan['count']), web_root)
@classmethod
def _dump(cls, results, output_file):
_log.info('Dumping the results to file {output_file}'.format(output_file=output_file))
try:
with open(output_file, 'w') as fp:
json.dump(results, fp)
except IOError as error:
_log.error('Cannot open output file: {output_file} - Error: {error}'.format(output_file=output_file, error=error))
_log.error('Results are:\n {result}'.format(result=json.dumps(results)))
@classmethod
def _wrap(cls, dicts):
_log.debug('Merging following results:\n{results}'.format(results=json.dumps(dicts)))
if not dicts:
return None
ret = {}
for dic in dicts:
ret = cls._merge(ret, dic)
_log.debug('Results after merging:\n{result}'.format(result=json.dumps(ret)))
return ret
@classmethod
def _merge(cls, a, b):
assert(isinstance(a, type(b)))
arg_type = type(a)
# special handle for list type, and should be handle before equal check
if arg_type == list and len(a) and istext(a[0]):
return a
if arg_type == dict:
result = {}
for key, value in list(a.items()):
if key in b:
result[key] = cls._merge(value, b[key])
else:
result[key] = value
for key, value in list(b.items()):
if key not in result:
result[key] = value
return result
# for other types
return a + b
@classmethod
def show_results(cls, results, scale_unit=True, show_iteration_values=False):
results = BenchmarkResults(results)
print(results.format(scale_unit, show_iteration_values))