| #! /usr/bin/env python3 |
| # |
| # Copyright 2020 The ANGLE Project Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| ''' |
| Script that re-captures the traces in the restricted trace folder. We can |
| use this to update traces without needing to re-run the app on a device. |
| ''' |
| |
| import argparse |
| import fnmatch |
| import json |
| import logging |
| import os |
| import re |
| import subprocess |
| import sys |
| |
| from gen_restricted_traces import get_context as get_context |
| |
| DEFAULT_TEST_SUITE = 'angle_perftests' |
| DEFAULT_TEST_JSON = 'restricted_traces.json' |
| DEFAULT_LOG_LEVEL = 'info' |
| |
| # We preserve select metadata in the trace header that can't be re-captured properly. |
| # Currently this is just the set of default framebuffer surface config bits. |
| METADATA_KEYWORDS = ['kDefaultFramebuffer'] |
| |
| |
| def src_trace_path(trace): |
| script_dir = os.path.dirname(sys.argv[0]) |
| return os.path.join(script_dir, trace) |
| |
| |
| def context_header(trace, trace_path): |
| context_id = get_context(trace_path) |
| header = '%s_capture_context%s.h' % (trace, context_id) |
| return os.path.join(trace_path, header) |
| |
| |
| def get_num_frames(trace): |
| trace_path = src_trace_path(trace) |
| |
| lo = 99999999 |
| hi = 0 |
| |
| for file in os.listdir(trace_path): |
| match = re.match(r'.+_capture_context\d_frame(\d+)\.cpp', file) |
| if match: |
| frame = int(match.group(1)) |
| if frame < lo: |
| lo = frame |
| if frame > hi: |
| hi = frame |
| |
| return hi - lo + 1 |
| |
| |
| def get_trace_metadata(trace): |
| trace_path = src_trace_path(trace) |
| header_file = context_header(trace, trace_path) |
| metadata = [] |
| with open(header_file, 'rt') as f: |
| for line in f.readlines(): |
| for keyword in METADATA_KEYWORDS: |
| if keyword in line: |
| metadata += [line] |
| return metadata |
| |
| |
| def replace_metadata(header_file, metadata): |
| lines = [] |
| replaced = False |
| with open(header_file, 'rt') as f: |
| for line in f.readlines(): |
| found_keyword = False |
| for keyword in METADATA_KEYWORDS: |
| if keyword in line: |
| found_keyword = True |
| break |
| |
| if found_keyword: |
| if not replaced: |
| replaced = True |
| lines += metadata |
| else: |
| lines += [line] |
| |
| with open(header_file, 'wt') as f: |
| f.writelines(lines) |
| |
| |
| def path_contains_header(path): |
| for file in os.listdir(path): |
| if fnmatch.fnmatch(file, '*.h'): |
| return True |
| return False |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('gn_path', help='GN build path') |
| parser.add_argument('out_path', help='Output directory') |
| parser.add_argument('-f', '--filter', help='Trace filter. Defaults to all.', default='*') |
| parser.add_argument('-l', '--log', help='Logging level.', default=DEFAULT_LOG_LEVEL) |
| parser.add_argument( |
| '--no-swiftshader', |
| help='Trace against native Vulkan.', |
| action='store_true', |
| default=False) |
| parser.add_argument( |
| '-n', |
| '--no-overwrite', |
| help='Skip traces which already exist in the out directory.', |
| action='store_true') |
| parser.add_argument( |
| '--validation', help='Enable state serialization validation calls.', action='store_true') |
| parser.add_argument( |
| '--validation-expr', |
| help='Validation expression, used to add more validation checkpoints.') |
| parser.add_argument( |
| '--limit', |
| '--frame-limit', |
| type=int, |
| help='Limits the number of captured frames to produce a shorter trace than the original.') |
| args, extra_flags = parser.parse_known_args() |
| |
| logging.basicConfig(level=args.log.upper()) |
| |
| script_dir = os.path.dirname(sys.argv[0]) |
| |
| # Load trace names |
| with open(os.path.join(script_dir, DEFAULT_TEST_JSON)) as f: |
| traces = json.loads(f.read()) |
| |
| traces = [trace.split(' ')[0] for trace in traces['traces']] |
| |
| binary = os.path.join(args.gn_path, DEFAULT_TEST_SUITE) |
| if os.name == 'nt': |
| binary += '.exe' |
| |
| failures = [] |
| |
| for trace in fnmatch.filter(traces, args.filter): |
| logging.debug('Tracing %s' % trace) |
| |
| trace_path = os.path.abspath(os.path.join(args.out_path, trace)) |
| if not os.path.isdir(trace_path): |
| os.makedirs(trace_path) |
| elif args.no_overwrite and path_contains_header(trace_path): |
| logging.info('Skipping "%s" because the out folder already exists' % trace) |
| continue |
| |
| num_frames = get_num_frames(trace) |
| metadata = get_trace_metadata(trace) |
| |
| logging.debug('Read metadata: %s' % str(metadata)) |
| |
| max_steps = min(args.limit, num_frames) if args.limit else num_frames |
| |
| # We start tracing from frame 2. --retrace-mode issues a Swap() after Setup() so we can |
| # accurately re-trace the MEC. |
| additional_env = { |
| 'ANGLE_CAPTURE_LABEL': trace, |
| 'ANGLE_CAPTURE_OUT_DIR': trace_path, |
| 'ANGLE_CAPTURE_FRAME_START': '2', |
| 'ANGLE_CAPTURE_FRAME_END': str(num_frames + 1), |
| } |
| if args.validation: |
| additional_env['ANGLE_CAPTURE_VALIDATION'] = '1' |
| # Also turn on shader output init to ensure we have no undefined values. |
| # This feature is also enabled in replay when using --validation. |
| additional_env['ANGLE_FEATURE_OVERRIDES_ENABLED'] = 'forceInitShaderOutputVariables' |
| if args.validation_expr: |
| additional_env['ANGLE_CAPTURE_VALIDATION_EXPR'] = args.validation_expr |
| |
| env = {**os.environ.copy(), **additional_env} |
| |
| renderer = 'vulkan' if args.no_swiftshader else 'vulkan_swiftshader' |
| |
| trace_filter = '--gtest_filter=TracePerfTest.Run/%s_%s' % (renderer, trace) |
| run_args = [ |
| binary, |
| trace_filter, |
| '--retrace-mode', |
| '--max-steps-performed', |
| str(max_steps), |
| '--enable-all-trace-tests', |
| ] |
| |
| print('Capturing "%s" (%d frames)...' % (trace, num_frames)) |
| logging.debug('Running "%s" with environment: %s' % |
| (' '.join(run_args), str(additional_env))) |
| try: |
| subprocess.check_call(run_args, env=env) |
| |
| header_file = context_header(trace, trace_path) |
| |
| if not os.path.exists(header_file): |
| logging.error('There was a problem tracing "%s", could not find header file: %s' % |
| (trace, header_file)) |
| failures += [trace] |
| else: |
| replace_metadata(header_file, metadata) |
| except: |
| logging.exception('There was an exception running "%s":' % trace) |
| failures += [trace] |
| |
| if failures: |
| print('The following traces failed to re-trace:\n') |
| print('\n'.join([' ' + trace for trace in failures])) |
| return 1 |
| |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |