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add disksnoop ipynb

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varun-r-mallya
2025-11-25 22:51:24 +05:30
parent 102e4ca78c
commit 7b7b00dbe7
3 changed files with 3729 additions and 35 deletions
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BCC-Examples/disksnoop.ipynb Normal file
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BCC-Examples/disksnoop.py
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@ -3,16 +3,18 @@ from pythonbpf import bpf, section, bpfglobal, compile_to_ir, compile, map
from pythonbpf.helper import ktime
from pythonbpf.maps import HashMap
import logging
from ctypes import c_int64, c_uint64, c_uint32, c_int32
from ctypes import c_int64, c_uint64, c_int32
# Constants
REQ_WRITE = 1 # from include/linux/blk_types.h
@bpf
@map
def start() -> HashMap:
return HashMap(key=c_uint64, value=c_uint64, max_entries=10240)
@bpf
@section("kprobe/blk_mq_end_request")
def trace_completion(ctx: struct_pt_regs) -> c_int64:
@ -38,6 +40,7 @@ def trace_completion(ctx: struct_pt_regs) -> c_int64:
return c_int64(0)
@bpf
@section("kprobe/blk_mq_start_request")
def trace_start(ctx1: struct_pt_regs) -> c_int32:
@ -46,6 +49,7 @@ def trace_start(ctx1: struct_pt_regs) -> c_int32:
start.update(req, ts)
return c_int32(0)
@bpf
@bpfglobal
def LICENSE() -> str: