€•j      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ/translations/zh_CN/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ/translations/zh_TW/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ/translations/it_IT/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ/translations/ja_JP/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ/translations/ko_KR/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ/translations/sp_SP/bpf/drgn”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒcomment”“”)”}”(hŒ3SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)”h]”hŒ3SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)”…””}”hh£sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1h¡hhhžhhŸŒ6/var/lib/git/docbuild/linux/Documentation/bpf/drgn.rst”h KubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒBPF drgn tools”h]”hŒBPF drgn tools”…””}”(hh»hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hh¶hžhhŸh³h KubhŒ	paragraph”“”)”}”(hX   drgn scripts is a convenient and easy to use mechanism to retrieve arbitrary
kernel data structures. drgn is not relying on kernel UAPI to read the data.
Instead it's reading directly from ``/proc/kcore`` or vmcore and pretty prints
the data based on DWARF debug information from vmlinux.”h]”(hŒ¿drgn scripts is a convenient and easy to use mechanism to retrieve arbitrary
kernel data structures. drgn is not relying on kernel UAPI to read the data.
Instead itâ€™s reading directly from ”…””}”(hhËhžhhŸNh NubhŒliteral”“”)”}”(hŒ``/proc/kcore``”h]”hŒ/proc/kcore”…””}”(hhÕhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhhËubhŒT or vmcore and pretty prints
the data based on DWARF debug information from vmlinux.”…””}”(hhËhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhÊ)”}”(hŒ/This document describes BPF related drgn tools.”h]”hŒ/This document describes BPF related drgn tools.”…””}”(hhíhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhÊ)”}”(hŒhSee `drgn/tools`_ for all tools available at the moment and `drgn/doc`_ for
more details on drgn itself.”h]”(hŒSee ”…””}”(hhûhžhhŸNh NubhŒ	reference”“”)”}”(hŒ`drgn/tools`_”h]”hŒ
drgn/tools”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”Œ
drgn/tools”Œrefuri”Œ1https://github.com/osandov/drgn/tree/master/tools”uh1j  hhûŒresolved”KubhŒ+ for all tools available at the moment and ”…””}”(hhûhžhhŸNh Nubj  )”}”(hŒ`drgn/doc`_”h]”hŒdrgn/doc”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”Œdrgn/doc”j  Œ&https://drgn.readthedocs.io/en/latest/”uh1j  hhûj  KubhŒ! for
more details on drgn itself.”…””}”(hhûhžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h Khh¶hžhubhµ)”}”(hhh]”(hº)”}”(hŒbpf_inspect.py”h]”hŒbpf_inspect.py”…””}”(hj:  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hj7  hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒDescription”h]”hŒDescription”…””}”(hjK  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjH  hžhhŸh³h KubhÊ)”}”(hŒÌ`bpf_inspect.py`_ is a tool intended to inspect BPF programs and maps. It can
iterate over all programs and maps in the system and print basic information
about these objects, including id, type and name.”h]”(j  )”}”(hŒ`bpf_inspect.py`_”h]”hŒbpf_inspect.py”…””}”(hj]  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”Œbpf_inspect.py”j  Œ@https://github.com/osandov/drgn/blob/master/tools/bpf_inspect.py”uh1j  hjY  j  KubhŒ» is a tool intended to inspect BPF programs and maps. It can
iterate over all programs and maps in the system and print basic information
about these objects, including id, type and name.”…””}”(hjY  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KhjH  hžhubhÊ)”}”(hX
  The main use-case `bpf_inspect.py`_ covers is to show BPF programs of types
``BPF_PROG_TYPE_EXT`` and ``BPF_PROG_TYPE_TRACING`` attached to other BPF
programs via ``freplace``/``fentry``/``fexit`` mechanisms, since there is no
user-space API to get this information.”h]”(hŒThe main use-case ”…””}”(hjx  hžhhŸNh Nubj  )”}”(hŒ`bpf_inspect.py`_”h]”hŒbpf_inspect.py”…””}”(hj€  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œname”Œbpf_inspect.py”j  jm  uh1j  hjx  j  KubhŒ) covers is to show BPF programs of types
”…””}”(hjx  hžhhŸNh NubhÔ)”}”(hŒ``BPF_PROG_TYPE_EXT``”h]”hŒBPF_PROG_TYPE_EXT”…””}”(hj”  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjx  ubhŒ and ”…””}”(hjx  hžhhŸNh NubhÔ)”}”(hŒ``BPF_PROG_TYPE_TRACING``”h]”hŒBPF_PROG_TYPE_TRACING”…””}”(hj¦  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjx  ubhŒ$ attached to other BPF
programs via ”…””}”(hjx  hžhhŸNh NubhÔ)”}”(hŒ``freplace``”h]”hŒfreplace”…””}”(hj¸  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjx  ubhŒ/”…””}”(hjx  hžhhŸNh NubhÔ)”}”(hŒ
``fentry``”h]”hŒfentry”…””}”(hjÊ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjx  ubhŒ/”…””}”hjx  sbhÔ)”}”(hŒ	``fexit``”h]”hŒfexit”…””}”(hjÜ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjx  ubhŒF mechanisms, since there is no
user-space API to get this information.”…””}”(hjx  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KhjH  hžhubeh}”(h]”Œdescription”ah ]”h"]”Œdescription”ah$]”h&]”uh1h´hj7  hžhhŸh³h Kubhµ)”}”(hhh]”(hº)”}”(hŒGetting started”h]”hŒGetting started”…””}”(hjÿ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjü  hžhhŸh³h K!ubhÊ)”}”(hŒ6List BPF programs (full names are obtained from BTF)::”h]”hŒ5List BPF programs (full names are obtained from BTF):”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K#hjü  hžhubhŒliteral_block”“”)”}”(hŒä% sudo bpf_inspect.py prog
    27: BPF_PROG_TYPE_TRACEPOINT         tracepoint__tcp__tcp_send_reset
  4632: BPF_PROG_TYPE_CGROUP_SOCK_ADDR   tw_ipt_bind
 49464: BPF_PROG_TYPE_RAW_TRACEPOINT     raw_tracepoint__sched_process_exit”h]”hŒä% sudo bpf_inspect.py prog
    27: BPF_PROG_TYPE_TRACEPOINT         tracepoint__tcp__tcp_send_reset
  4632: BPF_PROG_TYPE_CGROUP_SOCK_ADDR   tw_ipt_bind
 49464: BPF_PROG_TYPE_RAW_TRACEPOINT     raw_tracepoint__sched_process_exit”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K%hjü  hžhubhÊ)”}”(hŒList BPF maps::”h]”hŒList BPF maps:”…””}”(hj+  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K*hjü  hžhubj  )”}”(hŒ¼% sudo bpf_inspect.py map
  2577: BPF_MAP_TYPE_HASH                tw_ipt_vips
  4050: BPF_MAP_TYPE_STACK_TRACE         stack_traces
  4069: BPF_MAP_TYPE_PERCPU_ARRAY        ned_dctcp_cntr”h]”hŒ¼% sudo bpf_inspect.py map
  2577: BPF_MAP_TYPE_HASH                tw_ipt_vips
  4050: BPF_MAP_TYPE_STACK_TRACE         stack_traces
  4069: BPF_MAP_TYPE_PERCPU_ARRAY        ned_dctcp_cntr”…””}”hj9  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K,hjü  hžhubhÊ)”}”(hŒ?Find BPF programs attached to BPF program ``test_pkt_access``::”h]”(hŒ*Find BPF programs attached to BPF program ”…””}”(hjG  hžhhŸNh NubhÔ)”}”(hŒ``test_pkt_access``”h]”hŒtest_pkt_access”…””}”(hjO  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjG  ubhŒ:”…””}”(hjG  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K1hjü  hžhubj  )”}”(hXj  % sudo bpf_inspect.py p | grep test_pkt_access
   650: BPF_PROG_TYPE_SCHED_CLS          test_pkt_access
   654: BPF_PROG_TYPE_TRACING            test_main                        linked:[650->25: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access()]
   655: BPF_PROG_TYPE_TRACING            test_subprog1                    linked:[650->29: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog1()]
   656: BPF_PROG_TYPE_TRACING            test_subprog2                    linked:[650->31: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog2()]
   657: BPF_PROG_TYPE_TRACING            test_subprog3                    linked:[650->21: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog3()]
   658: BPF_PROG_TYPE_EXT                new_get_skb_len                  linked:[650->16: BPF_TRAMP_REPLACE test_pkt_access->get_skb_len()]
   659: BPF_PROG_TYPE_EXT                new_get_skb_ifindex              linked:[650->23: BPF_TRAMP_REPLACE test_pkt_access->get_skb_ifindex()]
   660: BPF_PROG_TYPE_EXT                new_get_constant                 linked:[650->19: BPF_TRAMP_REPLACE test_pkt_access->get_constant()]”h]”hXj  % sudo bpf_inspect.py p | grep test_pkt_access
   650: BPF_PROG_TYPE_SCHED_CLS          test_pkt_access
   654: BPF_PROG_TYPE_TRACING            test_main                        linked:[650->25: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access()]
   655: BPF_PROG_TYPE_TRACING            test_subprog1                    linked:[650->29: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog1()]
   656: BPF_PROG_TYPE_TRACING            test_subprog2                    linked:[650->31: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog2()]
   657: BPF_PROG_TYPE_TRACING            test_subprog3                    linked:[650->21: BPF_TRAMP_FEXIT test_pkt_access->test_pkt_access_subprog3()]
   658: BPF_PROG_TYPE_EXT                new_get_skb_len                  linked:[650->16: BPF_TRAMP_REPLACE test_pkt_access->get_skb_len()]
   659: BPF_PROG_TYPE_EXT                new_get_skb_ifindex              linked:[650->23: BPF_TRAMP_REPLACE test_pkt_access->get_skb_ifindex()]
   660: BPF_PROG_TYPE_EXT                new_get_constant                 linked:[650->19: BPF_TRAMP_REPLACE test_pkt_access->get_constant()]”…””}”hjg  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h K3hjü  hžhubhÊ)”}”(hŒ¦It can be seen that there is a program ``test_pkt_access``, id 650 and there
are multiple other tracing and ext programs attached to functions in
``test_pkt_access``.”h]”(hŒ'It can be seen that there is a program ”…””}”(hju  hžhhŸNh NubhÔ)”}”(hŒ``test_pkt_access``”h]”hŒtest_pkt_access”…””}”(hj}  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhju  ubhŒX, id 650 and there
are multiple other tracing and ext programs attached to functions in
”…””}”(hju  hžhhŸNh NubhÔ)”}”(hŒ``test_pkt_access``”h]”hŒtest_pkt_access”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhju  ubhŒ.”…””}”(hju  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K=hjü  hžhubhÊ)”}”(hŒFor example the line::”h]”hŒFor example the line:”…””}”(hj§  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KAhjü  hžhubj  )”}”(hŒ‰658: BPF_PROG_TYPE_EXT                new_get_skb_len                  linked:[650->16: BPF_TRAMP_REPLACE test_pkt_access->get_skb_len()]”h]”hŒ‰658: BPF_PROG_TYPE_EXT                new_get_skb_len                  linked:[650->16: BPF_TRAMP_REPLACE test_pkt_access->get_skb_len()]”…””}”hjµ  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KChjü  hžhubhÊ)”}”(hŒÕ, means that BPF program id 658, type ``BPF_PROG_TYPE_EXT``, name
``new_get_skb_len`` replaces (``BPF_TRAMP_REPLACE``) function ``get_skb_len()``
that has BTF id 16 in BPF program id 650, name ``test_pkt_access``.”h]”(hŒ&, means that BPF program id 658, type ”…””}”(hjÃ  hžhhŸNh NubhÔ)”}”(hŒ``BPF_PROG_TYPE_EXT``”h]”hŒBPF_PROG_TYPE_EXT”…””}”(hjË  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjÃ  ubhŒ, name
”…””}”(hjÃ  hžhhŸNh NubhÔ)”}”(hŒ``new_get_skb_len``”h]”hŒnew_get_skb_len”…””}”(hjÝ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjÃ  ubhŒ replaces (”…””}”(hjÃ  hžhhŸNh NubhÔ)”}”(hŒ``BPF_TRAMP_REPLACE``”h]”hŒBPF_TRAMP_REPLACE”…””}”(hjï  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjÃ  ubhŒ) function ”…””}”(hjÃ  hžhhŸNh NubhÔ)”}”(hŒ``get_skb_len()``”h]”hŒget_skb_len()”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjÃ  ubhŒ0
that has BTF id 16 in BPF program id 650, name ”…””}”(hjÃ  hžhhŸNh NubhÔ)”}”(hŒ``test_pkt_access``”h]”hŒtest_pkt_access”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjÃ  ubhŒ.”…””}”(hjÃ  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KEhjü  hžhubhÊ)”}”(hŒGetting help:”h]”hŒGetting help:”…””}”(hj+  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KIhjü  hžhubj  )”}”(hXˆ  % sudo bpf_inspect.py
usage: bpf_inspect.py [-h] {prog,p,map,m} ...

drgn script to list BPF programs or maps and their properties
unavailable via kernel API.

See https://github.com/osandov/drgn/ for more details on drgn.

optional arguments:
  -h, --help      show this help message and exit

subcommands:
  {prog,p,map,m}
    prog (p)      list BPF programs
    map (m)       list BPF maps”h]”hXˆ  % sudo bpf_inspect.py
usage: bpf_inspect.py [-h] {prog,p,map,m} ...

drgn script to list BPF programs or maps and their properties
unavailable via kernel API.

See https://github.com/osandov/drgn/ for more details on drgn.

optional arguments:
  -h, --help      show this help message and exit

subcommands:
  {prog,p,map,m}
    prog (p)      list BPF programs
    map (m)       list BPF maps”…””}”hj9  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²Œforce”‰Œlanguage”Œnone”Œhighlight_args”}”uh1j  hŸh³h KKhjü  hžhubeh}”(h]”Œgetting-started”ah ]”h"]”Œgetting started”ah$]”h&]”uh1h´hj7  hžhhŸh³h K!ubhµ)”}”(hhh]”(hº)”}”(hŒCustomization”h]”hŒCustomization”…””}”(hjW  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¹hjT  hžhhŸh³h K^ubhÊ)”}”(hŒThe script is intended to be customized by developers to print relevant
information about BPF programs, maps and other objects.”h]”hŒThe script is intended to be customized by developers to print relevant
information about BPF programs, maps and other objects.”…””}”(hje  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h K`hjT  hžhubhÊ)”}”(hŒGFor example, to print ``struct bpf_prog_aux`` for BPF program id 53077:”h]”(hŒFor example, to print ”…””}”(hjs  hžhhŸNh NubhÔ)”}”(hŒ``struct bpf_prog_aux``”h]”hŒstruct bpf_prog_aux”…””}”(hj{  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÓhjs  ubhŒ for BPF program id 53077:”…””}”(hjs  hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KchjT  hžhubj  )”}”(hXÓ  % git diff
diff --git a/tools/bpf_inspect.py b/tools/bpf_inspect.py
index 650e228..aea2357 100755
--- a/tools/bpf_inspect.py
+++ b/tools/bpf_inspect.py
@@ -112,7 +112,9 @@ def list_bpf_progs(args):
         if linked:
             linked = f" linked:[{linked}]"

-        print(f"{id_:>6}: {type_:32} {name:32} {linked}")
+        if id_ == 53077:
+            print(f"{id_:>6}: {type_:32} {name:32}")
+            print(f"{bpf_prog.aux}")


 def list_bpf_maps(args):”h]”hXÓ  % git diff
diff --git a/tools/bpf_inspect.py b/tools/bpf_inspect.py
index 650e228..aea2357 100755
--- a/tools/bpf_inspect.py
+++ b/tools/bpf_inspect.py
@@ -112,7 +112,9 @@ def list_bpf_progs(args):
         if linked:
             linked = f" linked:[{linked}]"

-        print(f"{id_:>6}: {type_:32} {name:32} {linked}")
+        if id_ == 53077:
+            print(f"{id_:>6}: {type_:32} {name:32}")
+            print(f"{bpf_prog.aux}")


 def list_bpf_maps(args):”…””}”hj“  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²jG  ‰jH  Œnone”jJ  }”uh1j  hŸh³h KehjT  hžhubhÊ)”}”(hŒIt produces the output::”h]”hŒIt produces the output:”…””}”(hj£  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhŸh³h KxhjT  hžhubj  )”}”(hX•  % sudo bpf_inspect.py p
 53077: BPF_PROG_TYPE_XDP                tw_xdp_policer
*(struct bpf_prog_aux *)0xffff8893fad4b400 = {
        .refcnt = (atomic64_t){
                .counter = (long)58,
        },
        .used_map_cnt = (u32)1,
        .max_ctx_offset = (u32)8,
        .max_pkt_offset = (u32)15,
        .max_tp_access = (u32)0,
        .stack_depth = (u32)8,
        .id = (u32)53077,
        .func_cnt = (u32)0,
        .func_idx = (u32)0,
        .attach_btf_id = (u32)0,
        .linked_prog = (struct bpf_prog *)0x0,
        .verifier_zext = (bool)0,
        .offload_requested = (bool)0,
        .attach_btf_trace = (bool)0,
        .func_proto_unreliable = (bool)0,
        .trampoline_prog_type = (enum bpf_tramp_prog_type)BPF_TRAMP_FENTRY,
        .trampoline = (struct bpf_trampoline *)0x0,
        .tramp_hlist = (struct hlist_node){
                .next = (struct hlist_node *)0x0,
                .pprev = (struct hlist_node **)0x0,
        },
        .attach_func_proto = (const struct btf_type *)0x0,
        .attach_func_name = (const char *)0x0,
        .func = (struct bpf_prog **)0x0,
        .jit_data = (void *)0x0,
        .poke_tab = (struct bpf_jit_poke_descriptor *)0x0,
        .size_poke_tab = (u32)0,
        .ksym_tnode = (struct latch_tree_node){
                .node = (struct rb_node [2]){
                        {
                                .__rb_parent_color = (unsigned long)18446612956263126665,
                                .rb_right = (struct rb_node *)0x0,
                                .rb_left = (struct rb_node *)0xffff88a0be3d0088,
                        },
                        {
                                .__rb_parent_color = (unsigned long)18446612956263126689,
                                .rb_right = (struct rb_node *)0x0,
                                .rb_left = (struct rb_node *)0xffff88a0be3d00a0,
                        },
                },
        },
        .ksym_lnode = (struct list_head){
                .next = (struct list_head *)0xffff88bf481830b8,
                .prev = (struct list_head *)0xffff888309f536b8,
        },
        .ops = (const struct bpf_prog_ops *)xdp_prog_ops+0x0 = 0xffffffff820fa350,
        .used_maps = (struct bpf_map **)0xffff889ff795de98,
        .prog = (struct bpf_prog *)0xffffc9000cf2d000,
        .user = (struct user_struct *)root_user+0x0 = 0xffffffff82444820,
        .load_time = (u64)2408348759285319,
        .cgroup_storage = (struct bpf_map *[2]){},
        .name = (char [16])"tw_xdp_policer",
        .security = (void *)0xffff889ff795d548,
        .offload = (struct bpf_prog_offload *)0x0,
        .btf = (struct btf *)0xffff8890ce6d0580,
        .func_info = (struct bpf_func_info *)0xffff889ff795d240,
        .func_info_aux = (struct bpf_func_info_aux *)0xffff889ff795de20,
        .linfo = (struct bpf_line_info *)0xffff888a707afc00,
        .jited_linfo = (void **)0xffff8893fad48600,
        .func_info_cnt = (u32)1,
        .nr_linfo = (u32)37,
        .linfo_idx = (u32)0,
        .num_exentries = (u32)0,
        .extable = (struct exception_table_entry *)0xffffffffa032d950,
        .stats = (struct bpf_prog_stats *)0x603fe3a1f6d0,
        .work = (struct work_struct){
                .data = (atomic_long_t){
                        .counter = (long)0,
                },
                .entry = (struct list_head){
                        .next = (struct list_head *)0x0,
                        .prev = (struct list_head *)0x0,
                },
                .func = (work_func_t)0x0,
        },
        .rcu = (struct callback_head){
                .next = (struct callback_head *)0x0,
                .func = (void (*)(struct callback_head *))0x0,
        },
}”h]”hX•  % sudo bpf_inspect.py p
 53077: BPF_PROG_TYPE_XDP                tw_xdp_policer
*(struct bpf_prog_aux *)0xffff8893fad4b400 = {
        .refcnt = (atomic64_t){
                .counter = (long)58,
        },
        .used_map_cnt = (u32)1,
        .max_ctx_offset = (u32)8,
        .max_pkt_offset = (u32)15,
        .max_tp_access = (u32)0,
        .stack_depth = (u32)8,
        .id = (u32)53077,
        .func_cnt = (u32)0,
        .func_idx = (u32)0,
        .attach_btf_id = (u32)0,
        .linked_prog = (struct bpf_prog *)0x0,
        .verifier_zext = (bool)0,
        .offload_requested = (bool)0,
        .attach_btf_trace = (bool)0,
        .func_proto_unreliable = (bool)0,
        .trampoline_prog_type = (enum bpf_tramp_prog_type)BPF_TRAMP_FENTRY,
        .trampoline = (struct bpf_trampoline *)0x0,
        .tramp_hlist = (struct hlist_node){
                .next = (struct hlist_node *)0x0,
                .pprev = (struct hlist_node **)0x0,
        },
        .attach_func_proto = (const struct btf_type *)0x0,
        .attach_func_name = (const char *)0x0,
        .func = (struct bpf_prog **)0x0,
        .jit_data = (void *)0x0,
        .poke_tab = (struct bpf_jit_poke_descriptor *)0x0,
        .size_poke_tab = (u32)0,
        .ksym_tnode = (struct latch_tree_node){
                .node = (struct rb_node [2]){
                        {
                                .__rb_parent_color = (unsigned long)18446612956263126665,
                                .rb_right = (struct rb_node *)0x0,
                                .rb_left = (struct rb_node *)0xffff88a0be3d0088,
                        },
                        {
                                .__rb_parent_color = (unsigned long)18446612956263126689,
                                .rb_right = (struct rb_node *)0x0,
                                .rb_left = (struct rb_node *)0xffff88a0be3d00a0,
                        },
                },
        },
        .ksym_lnode = (struct list_head){
                .next = (struct list_head *)0xffff88bf481830b8,
                .prev = (struct list_head *)0xffff888309f536b8,
        },
        .ops = (const struct bpf_prog_ops *)xdp_prog_ops+0x0 = 0xffffffff820fa350,
        .used_maps = (struct bpf_map **)0xffff889ff795de98,
        .prog = (struct bpf_prog *)0xffffc9000cf2d000,
        .user = (struct user_struct *)root_user+0x0 = 0xffffffff82444820,
        .load_time = (u64)2408348759285319,
        .cgroup_storage = (struct bpf_map *[2]){},
        .name = (char [16])"tw_xdp_policer",
        .security = (void *)0xffff889ff795d548,
        .offload = (struct bpf_prog_offload *)0x0,
        .btf = (struct btf *)0xffff8890ce6d0580,
        .func_info = (struct bpf_func_info *)0xffff889ff795d240,
        .func_info_aux = (struct bpf_func_info_aux *)0xffff889ff795de20,
        .linfo = (struct bpf_line_info *)0xffff888a707afc00,
        .jited_linfo = (void **)0xffff8893fad48600,
        .func_info_cnt = (u32)1,
        .nr_linfo = (u32)37,
        .linfo_idx = (u32)0,
        .num_exentries = (u32)0,
        .extable = (struct exception_table_entry *)0xffffffffa032d950,
        .stats = (struct bpf_prog_stats *)0x603fe3a1f6d0,
        .work = (struct work_struct){
                .data = (atomic_long_t){
                        .counter = (long)0,
                },
                .entry = (struct list_head){
                        .next = (struct list_head *)0x0,
                        .prev = (struct list_head *)0x0,
                },
                .func = (work_func_t)0x0,
        },
        .rcu = (struct callback_head){
                .next = (struct callback_head *)0x0,
                .func = (void (*)(struct callback_head *))0x0,
        },
}”…””}”hj±  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1j  hŸh³h KzhjT  hžhubh¢)”}”(hŒLinks”h]”hŒLinks”…””}”hj¿  sbah}”(h]”h ]”h"]”h$]”h&]”h±h²uh1h¡hjT  hžhhŸh³h KÑubhŒtarget”“”)”}”(hŒ4.. _drgn/doc: https://drgn.readthedocs.io/en/latest/”h]”h}”(h]”Œdrgn-doc”ah ]”h"]”Œdrgn/doc”ah$]”h&]”j  j,  uh1jÍ  h KÒhjT  hžhhŸh³Œ
referenced”KubjÎ  )”}”(hŒA.. _drgn/tools: https://github.com/osandov/drgn/tree/master/tools”h]”h}”(h]”Œ
drgn-tools”ah ]”h"]”Œ
drgn/tools”ah$]”h&]”j  j  uh1jÍ  h KÓhjT  hžhhŸh³jÛ  KubjÎ  )”}”(hŒW.. _bpf_inspect.py:
   https://github.com/osandov/drgn/blob/master/tools/bpf_inspect.py”h]”h}”(h]”Œid1”ah ]”h"]”Œbpf_inspect.py”ah$]”h&]”j  jm  uh1jÍ  h KÔhjT  hžhhŸh³jÛ  Kubeh}”(h]”Œcustomization”ah ]”h"]”Œcustomization”ah$]”h&]”uh1h´hj7  hžhhŸh³h K^ubeh}”(h]”Œbpf-inspect-py”ah ]”h"]”h$]”jñ  ah&]”uh1h´hh¶hžhhŸh³h KjÛ  Kubeh}”(h]”Œbpf-drgn-tools”ah ]”h"]”Œbpf drgn tools”ah$]”h&]”uh1h´hhhžhhŸh³h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h³uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¹NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”j.  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h³Œ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”(Œ
drgn/tools”]”j  aŒdrgn/doc”]”j  aŒbpf_inspect.py”]”(j]  j€  euŒrefids”}”Œnameids”}”(j  j  Œbpf_inspect.py”jî  jù  jö  jQ  jN  jù  jö  jØ  jÕ  jå  jâ  uŒ	nametypes”}”(j  ‰jx  ˆjù  ‰jQ  ‰jù  ‰jØ  ˆjå  ˆuh}”(j  h¶jþ  j7  jö  jH  jN  jü  jö  jT  jÕ  jÏ  jâ  jÜ  jî  jè  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”j<  Ks…”R”Œparse_messages”]”hŒsystem_message”“”)”}”(hhh]”hÊ)”}”(hŒ1Duplicate implicit target name: "bpf_inspect.py".”h]”hŒ5Duplicate implicit target name: â€œbpf_inspect.pyâ€.”…””}”(hjœ  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÉhj™  ubah}”(h]”h ]”h"]”h$]”h&]”jî  aŒlevel”KŒtype”ŒINFO”Œline”KÔŒsource”h³uh1j—  hjT  hžhhŸh³h KÕubaŒtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nhžhub.