From: patchwork-bot+netdevbpf@kernel.org
To: Fuyu Zhao <zhaofuyu@vivo.com>
Cc: bpf@vger.kernel.org, eddyz87@gmail.com,
andrii.nakryiko@gmail.com, alan.maguire@oracle.com,
olsajiri@gmail.com
Subject: Re: [PATCH bpf-next v9 0/2] libbpf: improve BPF load performance by selectively loading module BTFs
Date: Mon, 21 Sep 2026 16:40:06 +0000 [thread overview]
Message-ID: <179000880614.3127600.4490583996264592511.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260915124104.77287-1-zhaofuyu@vivo.com>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:
On Tue, 15 Sep 2026 20:41:02 +0800 you wrote:
> Currently, load_module_btfs() unconditionally iterates over all kernel
> module BTFs and loads each one. This introduces unnecessary overhead
> when a BPF program only needs BTFs from a small subset of modules.
>
> In our Android testing, BPF programs are loaded on demand rather than
> preloaded to avoid unnecessary memory usage from unused programs. With
> 93 module BTFs present, the total BPF loading time exceeds 300 ms, with
> module BTF loading accounting for around 69% of the total loading time.
>
> [...]
Here is the summary with links:
- [bpf-next,v9,1/2] libbpf: support selective kernel module BTF loading via bpf_object_open_opts
https://git.kernel.org/bpf/bpf-next/c/34b184792443
- [bpf-next,v9,2/2] selftests/bpf: add tests for selective module BTF loading
https://git.kernel.org/bpf/bpf-next/c/66c22d8c0f62
You are awesome, thank you!
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prev parent reply other threads:[~2026-09-21 16:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 12:41 [PATCH bpf-next v9 0/2] libbpf: improve BPF load performance by selectively loading module BTFs Fuyu Zhao
2026-09-15 12:41 ` [PATCH bpf-next v9 1/2] libbpf: support selective kernel module BTF loading via bpf_object_open_opts Fuyu Zhao
2026-09-15 13:33 ` bot+bpf-ci
2026-09-15 12:41 ` [PATCH bpf-next v9 2/2] selftests/bpf: add tests for selective module BTF loading Fuyu Zhao
2026-09-15 13:33 ` bot+bpf-ci
2026-09-21 16:40 ` patchwork-bot+netdevbpf [this message]
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