Re: [PATCH v3 5/8] lib/string_kunit: extend benchmarks to strnlen and chr searches

Feng Jiang
2026-01-21T05:48:23Z

On 2026/1/20 15:48, Andy Shevchenko wrote:
> On Tue, Jan 20, 2026 at 02:58:49PM +0800, Feng Jiang wrote:
>> Extend the string benchmarking suite to include strnlen(), strchr(),
>> and strrchr().
>>
>> For character search functions (strchr and strrchr), the benchmark
>
> strchr() and strrchr()

Will fix.

>> targets the null terminator. This ensures the entire string is scanned,
>
> NUL character
>
> (Also check terminology everywhere: NULL — is for NULL pointers, NUL is for
> '\0' characters.)
>

Thanks for the correction, I'll fix this and check other places as well.

>> providing a consistent measure of full-length processing efficiency
>> comparable to strlen().
>
> Acked-by: Andy Shevchenko <andy@kernel.org>
>

--
With Best Regards,
Feng Jiang