Re: [PATCH v2 1/8] mm/zsmalloc: modify zs compact trace interface

From: Ganesh Mahendran
Date: Wed Jul 06 2016 - 02:20:16 EST


2016-07-06 10:32 GMT+08:00 Minchan Kim <minchan@xxxxxxxxxx>:
> Hi Ganesh,
>
> On Mon, Jul 04, 2016 at 02:49:52PM +0800, Ganesh Mahendran wrote:
>> This patch changes trace_zsmalloc_compact_start[end] to
>> trace_zs_compact_start[end] to keep function naming consistent
>> with others in zsmalloc
>>
>> Also this patch remove pages_total_compacted information which
>> may not really needed.
>>
>> Signed-off-by: Ganesh Mahendran <opensource.ganesh@xxxxxxxxx>
>
> Once we decide to add event trace, I prefer getting more detailed
> information which is hard to get it via /sys/block/zram/.
> So, we can add trace __zs_compact as well as zs_compact with
> some changes.
>
> IOW,
>
> zs_compact
> trace_zs_compact_start(pool->name)
> __zs_compact
> trace_zs_compact(class, scanned_obj, freed_pages)
> trace_zs_compact_end(pool->name)

Thanks, I will do it.