diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 6892d62641..20ee9d45d5 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -25,7 +25,7 @@ jobs:
       CI: ""
       CAPTURE_PROCESS_REPLAY: "0"
     runs-on: [self-hosted, macOS]
-    timeout-minutes: 4
+    timeout-minutes: 3
     defaults:
       run:
         shell: bash -e -o pipefail {0}
diff --git a/extra/testsig/generate_testsig.py b/extra/testsig/generate_testsig.py
deleted file mode 100644
index 8b0916272b..0000000000
--- a/extra/testsig/generate_testsig.py
+++ /dev/null
@@ -1,269 +0,0 @@
-#!/usr/bin/env python3
-"""
-Self-contained Qualcomm Hexagon **testsig** generator.
-
-Replicates: python2 elfsigner.py -t 0x67489311 -o .
-Dependencies: standard library + cryptography (pip install cryptography).
-Multiple serial numbers: use -t multiple times.
-"""
-
-import argparse, base64, hashlib, os, struct
-from cryptography import x509
-from cryptography.hazmat.primitives import hashes, serialization
-from cryptography.hazmat.primitives.asymmetric import rsa, padding
-from cryptography.x509.oid import NameOID
-
-# Embedded assets (raw base64) --- no external files needed
-BASE_ELF = base64.b64decode("""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-ATTESTCA_KEY = base64.b64decode("""LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFb3dJQkFBS0NBUUVBeGpLNkRZbVZxbGIvZHFtb1BtY1FsNkV6Vmx3S3dIUnFCQmdsZzBkQnd6djJMR1NKCi9xWnlpbkFWZlloaEFkKzZwbm1kYk1vMVMzaXdjNXUrWUtRYlFOSGpVMUZrZDN4c29weHA3YTZHNnZUbSsyNVEKVnRHRkdLRHk3dm9mRWRKNTE2NVpQU0JtZ0thcWFQcFIxRlNHQnRDaEV3bzhkVEFZdjBaeXFYeGlmeDU4ejcvbgozT1BBbDJQdkpjZWpzd1J2ekRvcVRDR0xlMjVMbzFiYlQ1RGM4bFhZeWFmcjJVcGpXc1ZBaGlHQVNaK2dIRzYrCk1xWDFUdUlvM3FJTGNOcnRNUVh6K2NMamZaSnYzZExqNmRFSlZ0c3MvT3lMdUQ2bVozMXZUdzMxakhXUGRLeDIKNHh3dXVrbkp5OUVrUElQem5ORTZGcFZ4dmdHQWN4aEhKY0pLdndJQkF3S0NBUUVBaENIUlhsdTVIRG4vcEhFYQoxRVMxdW10M2p1Z0hLdmhHcldWdVY0VFdnaWY1Y3UyeFZHNzNCdlZqcVFXV0FUL1J4RkVUbmR3amg2WEs5NzBwCmxjSzgxZUZDTjR1WVQ2aEliR2hHbm5SWjhmaVovUFExanpaWXV4WDNTZndVdG94Uk9uUTdmaFdacXhuRzhLYmgKT0RoWldlQnJZZ2JTK01xN0tpNzNHNmhCcWhNbU1xcFJoK2dUNUVZbnBHZmJUbVRlUUJveXBrTEtkZm1PUytsWQpDM0lFaXJ1LzRhTXhpc0FDNzMvY3VWenQ1T2k5S3BaVVNhWTJkK1pINWtyWWtEMWhMVDFFRTJxbDhuTS9YZ2NlCk81bDkxeVMxZXg5Z2pzZ0lwTnc5elF0U05qMW80SUFraWRnWDhCak5MdmJSYThWdzBibDgxZXp2UEFoSE9tM0wKazkxTGV3S0JnUUR3MkYrUUZxK2xWcEtzL3pFNTlyUjNCdHBBTFVIVEFqWW1rbTVNUHRLeWtYVUQyQ2lNV3lYVgpxNGNaRnBaV2tUY1YzKzN2Q2FQcnNWdFBlcFZsaTZvM3VyMmR2VVFyQ2IxQUh0d2E4R21Bb2VseUJFSzZSeUdPCjh0dW16aTZqZDEyM0xQQTgvQ1JzL01ncmtjM2QxWTVSSDhzS3F1OGZCdlRncjNId2JTYkRPd0tCZ1FEU3EyRGQKZWxmOWFtZ0dyL3FneHJpclpUaWVKWHVJeUVIUG53cUsvNU1qa01jMUh3cVZMZ1NKUi81Y1dYL0U0UXR1Zko5UQp1b2kzNmExdGlweGhETlNqc214d0gxNi9pQ2hRc2V3Ym9BRkw4anFxdi9yQW12RUtmVmRyelU1V3c3dTY5dndECkdET2QxVnhxYzVFTVJVMTVRbS8wS3NMcjNRQTA3QUdsV3MrV1RRS0JnUUNna0QrMVpIVVk1R0hJcWlEUlR5TDYKQkpHQUhpdmlBWGx2REVtSUtlSE1ZUGl0T3NXeTUyNk9jbG9RdWJtUEMzb09sVWxLQm0xSHk1STAvR09aQjhiUAowZE8rZmkxeUJuNHF2ejFuU3ZFQWEvRDJyWUhSaE1FSjl6MFozc25DVDVQUGMwclRVc0x6VXpBZEM5NlQ0N1EyCkZUSUhISjlxQktOQWRQYWdTTVNDSndLQmdRQ01ja0NUcHVWVG5FVlp5cWNWMmRCeVEzc1VHUDBGMnRhS2FnY0gKVlF6Q1lJVE9GTEc0eVZoYmhWUTlrUC9ZbGdlZS9iK0xKd1hQOFI1SkJ4THJYZU1YekVoS3Y1Ui9zQnJnZHAxbgp3QURkVENjY2YveUFaMHRjVTQrZE00bVBMU2ZSK2YxWFpYZStqajJjVFF0ZGc0ajdnWi80SElIeWsxVjRuVlp1ClBJcGtNd0tCZ0FrZ0ljYlh0VHlDbGxJWnFWVTJseUUrcng3Wm5RNGs5ZTBaSENhaXFBT3JDNVBseUtwQ0hRZEgKWGYxcVhtRTBPeFhBeVEycU8wbWJWMzgza2ovU3E3b0p0RHRveS9Bc3ZiRG1vNjZjTzJRSXRSRmZPazJ6Q3UycQpDMFpraE9nazNGWUo4aXloV3pPV3VDWExKck9QVVVqekFkSDJTYWloVy9KY0hVUmhNTnBTCi0tLS0tRU5EIFJTQSBQUklWQVRFIEtFWS0tLS0tCg==""")
-ATTESTCA_CERT = base64.b64decode("""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""")
-ROOTCA_CERT = base64.b64decode("""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""")
-
-ELFMAG = b'\x7fELF'
-PT_NULL = 0
-PF_OS_PHDR = 0x07000000
-PF_OS_HASH = 0x02200000
-MBN_V3 = 3
-SIG_SIZE = 256
-CC_SIZE = 0x1800
-PAD_FF = b'\xff'
-IPAD = 0x3636363636363636
-OPAD = 0x5C5C5C5C5C5C5C5C
-
-
-def _pad(data, size, pad=PAD_FF):
-    return data + pad * (size - len(data)) if len(data) < size else data[:size]
-
-
-def _parse_elf(data):
-    if data[:4] != ELFMAG or data[4] != 1:
-        raise ValueError("Not a 32-bit ELF")
-    phoff = struct.unpack_from('<I', data, 0x1c)[0]
-    ehsz  = struct.unpack_from('<H', data, 0x28)[0]
-    phesz = struct.unpack_from('<H', data, 0x2a)[0]
-    phnum = struct.unpack_from('<H', data, 0x2c)[0]
-    phs = []
-    for i in range(phnum):
-        o = phoff + i * phesz
-        p = struct.unpack_from('<IIIIIIII', data, o)
-        phs.append(dict(zip(['t','o','v','p','fs','ms','fl','al'], p)))
-    return {'ehdr': data[:ehsz], 'phs': phs, 'phoff': phoff, 'ehsz': ehsz}
-
-
-def _build_ehdr(base_ehdr, num_phdrs):
-    e = bytearray(base_ehdr)
-    struct.pack_into('<I', e, 0x20, 0)
-    struct.pack_into('<H', e, 0x2c, num_phdrs)
-    struct.pack_into('<H', e, 0x30, 0)
-    struct.pack_into('<H', e, 0x32, 0)
-    return bytes(e)
-
-
-def _build_elf(ehdr, phs, segs):
-    phoff = struct.unpack_from('<I', ehdr, 0x1c)[0]
-    d = bytes(ehdr)
-    if len(d) < phoff:
-        d += b'\x00' * (phoff - len(d))
-    for ph in phs:
-        d += struct.pack('<IIIIIIII', ph['t'], ph['o'], ph['v'],
-                         ph['p'], ph['fs'], ph['ms'], ph['fl'], ph['al'])
-    for off, sdata in sorted(segs.items()):
-        if len(d) < off:
-            d += b'\x00' * (off - len(d))
-        d = d[:off] + sdata + d[off + len(sdata):]
-    return d
-
-
-def _qti_hmac(data, msm=0, sw=0):
-    def _u(v):
-        return bytes.fromhex(format(v, 'x').zfill(16))
-    Si, So = _u(sw ^ IPAD), _u(msm ^ OPAD)
-    a = hashlib.sha256(data).digest()
-    b = hashlib.sha256(Si + a).digest()
-    c = hashlib.sha256(So + b).digest()
-    return c
-
-
-def _raw_pkcs1_sign(private_key, data):
-    """Raw RSA-PKCS1-v1_5 signing WITHOUT DigestInfo wrapper.
-    This matches OpenSSL:  pkeyutl -sign -pkeyopt rsa_padding_mode:pkcs1"""
-    numbers = private_key.private_numbers()
-    d = numbers.d
-    n = numbers.public_numbers.n
-    key_len = (n.bit_length() + 7) // 8
-    pad_len = key_len - 3 - len(data)
-    if pad_len < 8:
-        raise ValueError("data too long for key size")
-    em = b'\x00\x01' + b'\xff' * pad_len + b'\x00' + data
-    m_int = int.from_bytes(em, 'big')
-    sig_int = pow(m_int, d, n)
-    return sig_int.to_bytes(key_len, 'big')
-
-
-def _new_cert(ca_key, ca_cert, attrs):
-    k = rsa.generate_private_key(public_exponent=3, key_size=2048)
-    ous = [
-        "01 %.16X SW_ID" % attrs['sw'], "02 %.16X HW_ID" % attrs['hw'],
-        "04 %.4X OEM_ID" % attrs['oid'], "05 %.8X SW_SIZE" % attrs['sz'],
-        "06 %.4X MODEL_ID" % attrs['mid'], "07 0001 %s" % attrs['ha'],
-        "03 %.16X DEBUG" % attrs['dbg'],
-    ]
-    n = [
-        x509.NameAttribute(NameOID.COUNTRY_NAME, "US"),
-        x509.NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, "California"),
-        x509.NameAttribute(NameOID.LOCALITY_NAME, "San Diego"),
-    ]
-    for o in ous:
-        n.append(x509.NameAttribute(NameOID.ORGANIZATIONAL_UNIT_NAME, o))
-    n += [
-        x509.NameAttribute(NameOID.COMMON_NAME, "SecTools Test User"),
-        x509.NameAttribute(NameOID.ORGANIZATION_NAME, "SecTools"),
-    ]
-
-    try:
-        nvb, nva = ca_cert.not_valid_before_utc, ca_cert.not_valid_after_utc
-    except AttributeError:
-        nvb, nva = ca_cert.not_valid_before, ca_cert.not_valid_after
-    b = (x509.CertificateBuilder()
-         .subject_name(x509.Name(n))
-         .issuer_name(ca_cert.subject)
-         .public_key(k.public_key())
-         .serial_number(x509.random_serial_number())
-         .not_valid_before(nvb)
-         .not_valid_after(nva))
-    b = b.add_extension(x509.SubjectKeyIdentifier.from_public_key(k.public_key()), False)
-    b = b.add_extension(x509.AuthorityKeyIdentifier.from_issuer_public_key(ca_key.public_key()), False)
-    b = b.add_extension(x509.BasicConstraints(ca=False, path_length=None), False)
-    b = b.add_extension(x509.KeyUsage(
-        digital_signature=True,
-        content_commitment=False,
-        key_encipherment=False,
-        data_encipherment=False,
-        key_agreement=False,
-        key_cert_sign=False,
-        crl_sign=False,
-        encipher_only=False,
-        decipher_only=False,
-    ), False)
-    return k, b.sign(ca_key, hashes.SHA256())
-
-
-def _build_chain(attest, ca, root):
-    c = (attest.public_bytes(serialization.Encoding.DER) +
-         ca.public_bytes(serialization.Encoding.DER) +
-         root.public_bytes(serialization.Encoding.DER))
-    return _pad(c, 0x1800, b'\xff')
-
-
-def _sign(serial_num, out_dir):
-    base = BASE_ELF
-    elf = _parse_elf(base)
-    orig = elf['phs']
-    base_ehdr = elf['ehdr']
-
-    nph = len(orig) + 2
-    phsz = nph * 32
-    ehsz = elf['ehsz']
-    phoff = ehsz
-    hv = 0x5000
-    ho = 0x1000
-    hfs = 0x1a08
-
-    prog = {'t': PT_NULL, 'o': 0, 'v': 0, 'p': 0,
-            'fs': ehsz + phsz, 'ms': 0, 'fl': PF_OS_PHDR, 'al': 0}
-    hph = {'t': PT_NULL, 'o': ho, 'v': hv, 'p': hv,
-           'fs': hfs, 'ms': 0x2000, 'fl': PF_OS_HASH, 'al': 0x1000}
-    shifted = []
-    for ph in orig:
-        s = dict(ph)
-        s['o'] += 0x3000
-        shifted.append(s)
-    allph = [prog, hph] + shifted
-
-    # Temporary ELF for hash 0
-    tmp_segs = {}
-    for i, ph in enumerate(shifted):
-        o = orig[i]
-        tmp_segs[ph['o']] = base[o['o']:o['o'] + o['fs']]
-    ehdr = _build_ehdr(base_ehdr, nph)
-    tmp = _build_elf(ehdr, allph, tmp_segs)
-
-    phb = tmp[phoff:phoff + phsz]
-    hash0 = hashlib.sha256(ehdr + phb).digest()
-    hash1 = struct.pack('<I', serial_num) + b'\x00' * 28
-    hs = [hash0, hash1]
-    for ph in orig:
-        hs.append(hashlib.sha256(base[ph['o']:ph['o'] + ph['fs']]).digest())
-    ht = b''.join(hs)
-
-    cs, ss, ccs = len(ht), SIG_SIZE, CC_SIZE
-    dst = hv + 40
-    sp = dst + cs
-    cp = sp + ss
-    isz = cs + ss + ccs
-
-    mbn = struct.pack('<IIIIIIIIII',
-                      0, MBN_V3, 0, dst, isz, cs, sp, ss, cp, ccs)
-    dts = mbn + ht
-    hmac = _qti_hmac(dts)
-
-    ca_key = serialization.load_pem_private_key(ATTESTCA_KEY, password=None)
-    ca_cert = x509.load_der_x509_certificate(ATTESTCA_CERT)
-    root_cert = x509.load_der_x509_certificate(ROOTCA_CERT)
-
-    attrs = {'sw': 0, 'hw': 0, 'oid': 0, 'mid': 0,
-             'sz': len(dts), 'ha': 'SHA256', 'dbg': 2}
-    nk, ac = _new_cert(ca_key, ca_cert, attrs)
-    sig = _raw_pkcs1_sign(nk, hmac)
-    sig = _pad(sig, SIG_SIZE, b'\x00')
-    cc = _build_chain(ac, ca_cert, root_cert)
-
-    hseg = mbn + ht + sig + cc
-    if len(hseg) != hfs:
-        raise RuntimeError("hash seg size mismatch %d vs %d" % (len(hseg), hfs))
-
-    segs = {ho: hseg}
-    for i, ph in enumerate(shifted):
-        o = orig[i]
-        segs[ph['o']] = base[o['o']:o['o'] + o['fs']]
-
-    final = _build_elf(ehdr, allph, segs)
-
-    os.makedirs(out_dir, exist_ok=True)
-    out = os.path.join(out_dir, "testsig-0x%08X.so" % serial_num)
-    with open(out, 'wb') as f:
-        f.write(final)
-    print("Signing complete! Output saved at %s" % out)
-    return out
-
-
-def main():
-    p = argparse.ArgumentParser(description="Qualcomm testsig generator")
-    p.add_argument("-t", "--testsig", action="append", default=None,
-                   help="serial number (e.g. 0x67489311); repeatable. Defaults to value from /sys/devices/soc0/serial_number")
-    p.add_argument("-o", "--output_dir", default=".")
-    args = p.parse_args()
-
-    serials = args.testsig if args.testsig else []
-
-    if not serials:
-        # Read default serial number from device
-        try:
-            with open('/sys/devices/soc0/serial_number', 'r') as f:
-                serial_str = f.read().strip()
-            serials = [serial_str]
-            print("Using serial number from /sys/devices/soc0/serial_number: %s" % serial_str)
-        except FileNotFoundError:
-            raise SystemExit("Error: No serial number provided (-t) and /sys/devices/soc0/serial_number not found.")
-        except PermissionError:
-            raise SystemExit("Error: Cannot read /sys/devices/soc0/serial_number (permission denied).")
-
-    for s in serials:
-        v = int(s.strip(), 0)
-        if not (0 <= v <= 0xFFFFFFFF):
-            raise ValueError("bad serial %r" % s)
-        _sign(v, args.output_dir)
-
-
-if __name__ == "__main__":
-    main()