Re: [PATCH bpf-next v2] selftests/bpf: improve ringbuf benchmark output

[Hou Tao <houtao@huaweicloud.com>]

On 7/20/2023 4:15 AM, Andrew Werner wrote:
> The ringbuf benchmarks print headers for each section of benchmarks.
> The naming conventions lead a user of the benchmarks to some confusion.
> This change is a cosmetic update to the output of that benchmark; no
> changes were made to what the script actually executes.
>
> The back-to-back exploration of sample rates for Perfbuf and Ringbuf
> have been combined into a single section.
>
> Some of the variables in the script were renamed for clarity; b is
> always a benchmark name, s is a sampling rate, n is a number of
> producers. Before the change, b was the only variable.
>
> After:
> ```
> Parallel producer
> =================
> rb-libbpf            43.072 ± 0.165M/s (drops 0.940 ± 0.016M/s)
> rb-custom            20.274 ± 0.442M/s (drops 0.000 ± 0.000M/s)
> pb-libbpf            1.480 ± 0.015M/s (drops 0.000 ± 0.000M/s)
> pb-custom            1.492 ± 0.023M/s (drops 0.000 ± 0.000M/s)
>
......
>
> ```
>
> Signed-off-by: Andrew Werner <awerner32@gmail.com>

Acked-by: Hou Tao <houtao1@huawei.com>