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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| #!/usr/bin/env python3 | ||
| # Copyright (C) 2021 The Android Open Source Project | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
|
|
||
| # taken from here, to open a .trace file in Perfetto in the browser. Runs | ||
| # an http server at a port, and then browser can read the file from that | ||
| # since fileURL are often blocked. Use a system call to run this, and it | ||
| # will change the working directory to that of the file. | ||
| # from https://github.com/google/perfetto/blob/master/tools/open_trace_in_ui | ||
|
|
||
| import argparse | ||
| import http.server | ||
| import os | ||
| import socketserver | ||
| import sys | ||
| import webbrowser | ||
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| class ANSI: | ||
| END = '\033[0m' | ||
| BOLD = '\033[1m' | ||
| RED = '\033[91m' | ||
| BLACK = '\033[30m' | ||
| BLUE = '\033[94m' | ||
| BG_YELLOW = '\033[43m' | ||
| BG_BLUE = '\033[44m' | ||
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| # HTTP Server used to open the trace in the browser. | ||
| class HttpHandler(http.server.SimpleHTTPRequestHandler): | ||
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| def end_headers(self): | ||
| self.send_header('Access-Control-Allow-Origin', self.server.allow_origin) | ||
| self.send_header('Cache-Control', 'no-cache') | ||
| super().end_headers() | ||
|
|
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| def do_GET(self): | ||
| if self.path != '/' + self.server.expected_fname: | ||
| self.send_error(404, "File not found") | ||
| return | ||
|
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||
| self.server.fname_get_completed = True | ||
| super().do_GET() | ||
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| def do_POST(self): | ||
| self.send_error(404, "File not found") | ||
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| def prt(msg, colors=ANSI.END): | ||
| print(colors + msg + ANSI.END) | ||
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| def open_trace(path, open_browser, origin): | ||
| # We reuse the HTTP+RPC port because it's the only one allowed by the CSP. | ||
| PORT = 9001 | ||
| path = os.path.abspath(path) | ||
| os.chdir(os.path.dirname(path)) | ||
| fname = os.path.basename(path) | ||
| socketserver.TCPServer.allow_reuse_address = True | ||
| with socketserver.TCPServer(('127.0.0.1', PORT), HttpHandler) as httpd: | ||
| address = f'{origin}/#!/?url=http://127.0.0.1:{PORT}/{fname}' | ||
| if open_browser: | ||
| webbrowser.open_new_tab(address) | ||
| else: | ||
| print(f'Open URL in browser: {address}') | ||
|
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| httpd.expected_fname = fname | ||
| httpd.fname_get_completed = None | ||
| httpd.allow_origin = origin | ||
| while httpd.fname_get_completed is None: | ||
| httpd.handle_request() | ||
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| def main(): | ||
| examples = '\n'.join( | ||
| [ANSI.BOLD + 'Usage:' + ANSI.END, ' -i path/trace_file_name [-n]']) | ||
| parser = argparse.ArgumentParser( | ||
| epilog=examples, formatter_class=argparse.RawTextHelpFormatter) | ||
|
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| help = 'Input trace filename' | ||
| parser.add_argument('-i', '--trace', help=help) | ||
| parser.add_argument( | ||
| '-n', '--no-open-browser', action='store_true', default=False) | ||
| parser.add_argument('--origin', default='https://ui.perfetto.dev') | ||
|
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| args = parser.parse_args() | ||
| trace_file = args.trace | ||
| open_browser = not args.no_open_browser | ||
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| if trace_file is None: | ||
| prt('Please specify trace file name with -i/--trace argument', ANSI.RED) | ||
| sys.exit(1) | ||
| elif not os.path.exists(trace_file): | ||
| prt('%s not found ' % trace_file, ANSI.RED) | ||
| sys.exit(1) | ||
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| prt('Opening the trace (%s) in the browser' % trace_file) | ||
| open_trace(trace_file, open_browser, args.origin) | ||
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| if __name__ == '__main__': | ||
| sys.exit(main()) |