linux-kernel - Re: [PATCH bpf-next] bpf: Improve program stats run-time calculation

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Date: Tue, 02 Apr 2024 15:00:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jose Fernandez <josef@...flix.com>
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org, bpf@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next] bpf: Improve program stats run-time calculation

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Mon,  1 Apr 2024 21:40:10 -0600 you wrote:
> This patch improves the run-time calculation for program stats by
> capturing the duration as soon as possible after the program returns.
> Previously, the duration included u64_stats_t operations. While the
> instrumentation overhead is part of the total time spent when stats are
> enabled, distinguishing between the program's native execution time and
> the time spent due to instrumentation is crucial for accurate
> performance analysis. By making this change, the patch facilitates more
> precise optimization of BPF programs, enabling users to understand their
> performance in environments without stats enabled.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Improve program stats run-time calculation
    https://git.kernel.org/bpf/bpf-next/c/ce09cbdd9888

You are awesome, thank you!
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