From: patchwork-bot+netdevbpf@kernel.org
To: Ritesh Oedayrajsingh Varma <ritesh@superluminal.eu>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
john.fastabend@gmail.com, andrii@kernel.org,
houtao@huaweicloud.com, jelle@superluminal.eu
Subject: Re: [PATCH bpf-next] bpf: optimize bpf_map_update_elem() for map-in-map types
Date: Sat, 29 Nov 2025 17:50:30 +0000 [thread overview]
Message-ID: <176443863006.1061209.10606164337894467600.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251128000422.20462-1-ritesh@superluminal.eu>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Fri, 28 Nov 2025 01:02:35 +0100 you wrote:
> Updating a BPF_MAP_TYPE_HASH_OF_MAPS or BPF_MAP_TYPE_ARRAY_OF_MAPS via
> bpf_map_update_elem() is very expensive.
>
> In one of our workloads, we're inserting ~1400 maps of type
> BPF_MAP_TYPE_ARRAY into a BPF_MAP_TYPE_ARRAY_OF_MAPS. This takes ~21
> seconds on a single thread, with an average of ~15ms per call:
>
> [...]
Here is the summary with links:
- [bpf-next] bpf: optimize bpf_map_update_elem() for map-in-map types
https://git.kernel.org/bpf/bpf-next/c/ff34657aa72a
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2025-11-29 17:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-28 0:02 [PATCH bpf-next] bpf: optimize bpf_map_update_elem() for map-in-map types Ritesh Oedayrajsingh Varma
2025-11-29 17:50 ` patchwork-bot+netdevbpf [this message]
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