Re: [PATCH 0/6] refine and rename slub sysfs

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

 



On Wed, 17 May 2017, Wei Yang wrote:

> This patch serial could be divided into two parts.
>
> First three patches refine and adds slab sysfs.
> Second three patches rename slab sysfs.

These changes will break the slabinfo tool in linux/tools/vm/slabinfo.c.
Please update it as well.

> 1. Refine slab sysfs
>
> There are four level slabs:

levels? Maybe types of slabs?

>     CPU
>     CPU_PARTIAL
>     PARTIAL
>     FULL
>
> And in sysfs, it use show_slab_objects() and cpu_partial_slabs_show() to
> reflect the statistics.
>
> In patch 2, it splits some function in show_slab_objects() which makes sure
> only cpu_partial_slabs_show() covers statistics for CPU_PARTIAL slabs.
>
> After doing so, it would be more clear that show_slab_objects() has totally 9
> statistic combinations for three level of slabs. Each slab has three cases
> statistic.
>
>     slabs
>     objects
>     total_objects

That sounds good.

> which is a little bit hard for users to understand. The second three patches
> rename sysfs file in this pattern.
>
>     xxx_slabs[[_total]_objects]
>
> Finally it looks Like
>
>     slabs
>     slabs_objects
>     slabs_total_objects
>     cpu_slabs
>     cpu_slabs_objects
>     cpu_slabs_total_objects
>     partial_slabs
>     partial_slabs_objects
>     partial_slabs_total_objects
>     cpu_partial_slabs

Arent we missing:

cpu_partial_slabs_objects
cpu_partial_slabs_total_objects

And the partial slabs exclude the cpu slabs as well as the cpu_partial
slabs?

Could you add some documentation as well to explain the exact semantics?

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[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