Re: [PATCH net-next v5 01/13] mm: page_frag: add a test module for page_frag

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 30 May 2024 17:17:17 +0800 Yunsheng Lin wrote:
> > Is this test actually meaningfully testing page_frag or rather
> > the objpool construct and the scheduler? :S  
> 
> For the objpool part, I guess it is ok to say that it is a
> meaningfully testing for both page_frag and objpool if there is
> changing to either of them.

Why guess when you can measure it. 
Slow one down and see if it impacts the benchmark.

> For the scheduler part, this test provides the below module param
> to avoid the the noise from scheduler.
> 
> +static int test_push_cpu;
> +module_param(test_push_cpu, int, 0600);
> +MODULE_PARM_DESC(test_push_cpu, "test cpu for pushing fragment");
> +
> +static int test_pop_cpu;
> +module_param(test_pop_cpu, int, 0600);
> +MODULE_PARM_DESC(test_pop_cpu, "test cpu for popping fragment");
> 
> Or is there any better idea for testing page_frag?




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux