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28 lines
593 B
Python
28 lines
593 B
Python
from vmlinux import struct_request, struct_pt_regs
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from pythonbpf import bpf, section, bpfglobal, compile_to_ir, compile
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import logging
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from ctypes import c_int64
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@bpf
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@section("kprobe/blk_mq_start_request")
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def example(ctx: struct_pt_regs) -> c_int64:
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a = ctx.r15
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req = struct_request(ctx.di)
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d = req.__data_len
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b = ctx.r12
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c = req.timeout
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print(f"data length {d} and {c} and {a}")
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print(f"ctx arg {b}")
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return c_int64(0)
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@bpf
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@bpfglobal
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def LICENSE() -> str:
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return "GPL"
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compile_to_ir("requests.py", "requests.ll", loglevel=logging.INFO)
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compile()
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