From: Eduard Zingerman <eddyz87@gmail.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>, bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Emil Tsalapatis <emil@etsalapatis.com>,
kkd@meta.com, kernel-team@meta.com
Subject: Re: [PATCH bpf-next v7 6/6] selftests/bpf: Test subprogram instruction statistics
Date: Tue, 11 Aug 2026 14:37:13 -0700 [thread overview]
Message-ID: <a6ede12a860053ec95bf1fe95e69bb877ffd955e.camel@gmail.com> (raw)
In-Reply-To: <20260808062601.1070988-7-memxor@gmail.com>
On Sat, 2026-08-08 at 08:25 +0200, Kumar Kartikeya Dwivedi wrote:
> Add small verifier programs with deterministic instruction streams to
> exercise per-subprogram self and inclusive instruction accounting. Use
> assembly for normal call chains and straight-line callback bodies containing
> only moves, calls, and returns or exits, so control-flow pruning does not make
> the expected counts unstable. Pass callback arguments as explicit assembly
> operands so the compiler keeps their registers live across the asm block.
>
> Cover asynchronous callback attribution separately: main verification-root
> totals include all callback exploration, while static and callback totals
> remain local to their synchronous paths.
>
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
> ---
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
...
prev parent reply other threads:[~2026-08-11 21:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-08 6:25 [PATCH bpf-next v7 0/6] Improve stack depth verification stats output Kumar Kartikeya Dwivedi
2026-08-08 6:25 ` [PATCH bpf-next v7 1/6] bpf: Track verifier instruction stats for each subprogram Kumar Kartikeya Dwivedi
2026-08-11 19:35 ` Eduard Zingerman
2026-08-08 6:25 ` [PATCH bpf-next v7 2/6] bpf: Attribute async callback instructions to verification roots Kumar Kartikeya Dwivedi
2026-08-08 7:40 ` bot+bpf-ci
2026-08-11 20:01 ` Eduard Zingerman
2026-08-08 6:25 ` [PATCH bpf-next v7 3/6] bpf: Show more useful info in stack depth stats Kumar Kartikeya Dwivedi
2026-08-08 6:45 ` sashiko-bot
2026-08-11 20:04 ` Eduard Zingerman
2026-08-08 6:25 ` [PATCH bpf-next v7 4/6] selftests/bpf: Adjust veristat stack depth parsing Kumar Kartikeya Dwivedi
2026-08-11 20:50 ` Eduard Zingerman
2026-08-08 6:25 ` [PATCH bpf-next v7 5/6] selftests/bpf: Test stack depth stats without BTF subprog names Kumar Kartikeya Dwivedi
2026-08-11 21:18 ` Eduard Zingerman
2026-08-08 6:25 ` [PATCH bpf-next v7 6/6] selftests/bpf: Test subprogram instruction statistics Kumar Kartikeya Dwivedi
2026-08-08 6:36 ` sashiko-bot
2026-08-11 21:37 ` Eduard Zingerman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a6ede12a860053ec95bf1fe95e69bb877ffd955e.camel@gmail.com \
--to=eddyz87@gmail.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=emil@etsalapatis.com \
--cc=kernel-team@meta.com \
--cc=kkd@meta.com \
--cc=memxor@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.