61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
# Extract some data from profile flamegraphs produced by cargo flamegraph
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import re, sys
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FUNCTIONS = {
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"rustls::record_layer::RecordLayer::decrypt_incoming": "decrypt",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::cipher::MessageEncrypter>::encrypt": "encrypt",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::Hkdf>::expander_for_okm": "hkdf",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::SecureRandom>::fill": "rand",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::SupportedKxGroup>::start": "kx",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::hash::Hash>::start": "hash",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::hash::Context>::finish": "hash",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::hash::Context>::update": "hash",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::hash::Context>::fork_finish": "hash",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::Hkdf>::extract_from_secret": "hkdf",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::ActiveKeyExchange>::complete": "kx",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::HkdfExpander>::hash_len": "hkdf",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::HkdfExpander>::expand_slice": "hkdf",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::Hkdf>::extract_from_secret": "hkdf",
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"<[a-zA-Z0-9_:]+ as rustls::crypto::tls13::Hkdf>::hmac_sign": "hkdf",
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"ring::hkdf::fill_okm": "hkdf",
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"aws_lc_0_32_2_HKDF": "hkdf",
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"rustls_openssl::tls13::<impl rustls::crypto::cipher::Tls13AeadAlgorithm for rustls_openssl::aead::Algorithm>::encrypter": "encrypt",
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"rustls::crypto::aws_lc_rs::tls13::AeadAlgorithm::encrypter": "encrypt",
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"rustls::crypto::aws_lc_rs::tls13::AeadAlgorithm::decrypter": "decrypt",
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}
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def extract_function(data, name):
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r = re.compile(name.replace("<", "<").replace(">", ">") + " \\(([0-9,]+) samples, ([0-9.]+)%\\)")
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samples = 0
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percents = 0.0
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for match in r.finditer(data):
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samples += int(match.group(1).replace(",", ""))
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percents += float(match.group(2))
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return (samples, percents)
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if __name__ == "__main__":
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filename = sys.argv[1]
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f = open(filename, "r")
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c = f.read()
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results = {}
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for function in FUNCTIONS:
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samples, percents = extract_function(c, function)
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title = FUNCTIONS[function]
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if title not in results:
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results[title] = [0, 0.0]
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results[title][0] += samples
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results[title][1] += percents
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for title in results:
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print(title, results[title])
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