Function run_pass

Test/astc_profile_valgrind.py:100–175

Run Valgrind on a single binary. Args: image: The path of the image to compress. encoder: The encoder variant to use. block_size: The block size to use. quality: The compression quality to use. show_cli: Show command line wrapper tool cost in the pro

(image: str, encoder: str,
             block_size: str, quality: str, show_cli: bool)

def run_pass(image: str, encoder: str,
             block_size: str, quality: str, show_cli: bool) -> None:
    '''
    Run Valgrind on a single binary.

    Args:
        image: The path of the image to compress.
        encoder: The encoder variant to use.
        block_size: The block size to use.
        quality: The compression quality to use.
        show_cli: Show command line wrapper tool cost in the profile.

    Raise:
        CalledProcessException: Any subprocess failed.
    '''
    binary = f'./bin/astcenc-{encoder}'
    quality_log = quality.replace('-', '')

    # Run Valgrind
    args = [
        'valgrind',
        '--tool=callgrind',
        '--callgrind-out-file=callgrind.txt',
        binary, '-ch', image, '/dev/null', block_size, quality, '-j', '1'
    ]

    sp.run(args, check=True)

    # Run callgrind analysis
    args = [
        'callgrind_annotate',
        'callgrind.txt'
    ]

    ret = sp.run(args, stdout=sp.PIPE, check=True, encoding='utf-8')
    lines = ret.stdout.splitlines()

    # Write raw annotated callgrind log
    report = '\n'.join(lines)
    with open(f'perf_{quality_log}_cga.txt', 'w', encoding='utf=8') as handle:
        handle.write(report)

    # Write our text summary of the top functions
    report = rank_hot_functions(lines)
    with open(f'perf_{quality_log}.txt', 'w', encoding='utf=8') as handle:
        handle.write(report)

    # Write the visual call graph
    entry_func = 'main'
    if not show_cli:
        entry_func = 'compress_block(' \
            'astcenc_contexti const&, ' \
            'image_block const&, ' \
            'unsigned char*, ' \
            'compression_working_buffers&)'

    args = [
        'gprof2dot',