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feat:non struct field values can be cast

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varun-r-mallya
2025-11-26 14:18:40 +05:30
parent 7b7b00dbe7
commit 4905649700
5 changed files with 103 additions and 10 deletions
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8
BCC-Examples/disksnoop.ipynb
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@ -3025,19 +3025,20 @@
],
"source": [
"from vmlinux import struct_request, struct_pt_regs\n",
"from pythonbpf import bpf, section, bpfglobal, compile_to_ir, compile, map, BPF\n",
"from pythonbpf import bpf, section, bpfglobal, map, BPF\n",
"from pythonbpf.helper import ktime\n",
"from pythonbpf.maps import HashMap\n",
"import logging\n",
"from ctypes import c_int64, c_uint64, c_int32\n",
"\n",
"REQ_WRITE = 1\n",
"\n",
"\n",
"@bpf\n",
"@map\n",
"def start() -> HashMap:\n",
" return HashMap(key=c_uint64, value=c_uint64, max_entries=10240)\n",
"\n",
"\n",
"@bpf\n",
"@section(\"kprobe/blk_mq_end_request\")\n",
"def trace_completion(ctx: struct_pt_regs) -> c_int64:\n",
@ -3063,6 +3064,7 @@
"\n",
" return c_int64(0)\n",
"\n",
"\n",
"@bpf\n",
"@section(\"kprobe/blk_mq_start_request\")\n",
"def trace_start(ctx1: struct_pt_regs) -> c_int32:\n",
@ -3071,11 +3073,13 @@
" start.update(req, ts)\n",
" return c_int32(0)\n",
"\n",
"\n",
"@bpf\n",
"@bpfglobal\n",
"def LICENSE() -> str:\n",
" return \"GPL\"\n",
"\n",
"\n",
"b = BPF()"
]
},