Messages in this thread | | | Date | Tue, 12 Jan 2016 09:05:06 +0800 | From | Xishi Qiu <> | Subject | Re: [PATCH] mm: add ratio in slabinfo print |
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On 2016/1/12 8:20, David Rientjes wrote:
> On Mon, 11 Jan 2016, Xishi Qiu wrote: > >>> On Mon 11-01-16 11:54:57, Xishi Qiu wrote: >>>> Add ratio(active_objs/num_objs) in /proc/slabinfo, it is used to show >>>> the availability factor in each slab. >>> >>> What is the reason to add such a new value when it can be trivially >>> calculated from the userspace? >>> >>> Besides that such a change would break existing parsers no? >> >> Oh, maybe it is. >> > > If you need the information internally, you could always create a library > around slabinfo and export the information for users who are interested > for your own use. Doing anything other than appending fields to each line > is too dangerous, however, as a general rule. > >
OK, I know.
Thanks, Xishi Qiu
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