fcc6d4bd76
Implement tracing infrastructure in libcamera. It takes .tp files, as required by lttng, and generates a tracepoint header and C file, as lttng requires. meson is updated accordingly to get it to compile with the rest of libcamera. Update the documentation accordingly. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
38 lines
917 B
Python
38 lines
917 B
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2020, Google Inc.
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#
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# Author: Paul Elder <paul.elder@ideasonboard.com>
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#
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# gen-tp-header.py - Generate header file to contain lttng tracepoints
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import datetime
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import jinja2
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import os
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import sys
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def main(argv):
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if len(argv) < 3:
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print(f'Usage: {argv[0]} output template tp_files...')
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return 1
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output = argv[1]
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template = argv[2]
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year = datetime.datetime.now().year
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path = output.replace('include/', '', 1)
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source = ''
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for fname in argv[3:]:
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source += open(fname, 'r', encoding='utf-8').read() + '\n\n'
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template = jinja2.Template(open(template, 'r', encoding='utf-8').read())
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string = template.render(year=year, path=path, source=source)
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f = open(output, 'w', encoding='utf-8').write(string)
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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