Messages in this thread | | | Subject | Re: [QUESTION] Performance deterioration caused by commit 85f726a35e504418 | From | Yang Jihong <> | Date | Wed, 20 Oct 2021 10:00:28 +0800 |
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Hi, Steve and Tom
On 2021/10/20 2:38, Zanussi, Tom wrote: > On 10/19/2021 1:10 PM, Steven Rostedt wrote: >> On Tue, 19 Oct 2021 12:30:28 -0500 >> "Zanussi, Tom" <tom.zanussi@linux.intel.com> wrote: >> >>> So anyway, as far as the histograms go, I think optimizing the two >>> changes in 85f726a35e504418 while ignoring trailing garbage can be done >>> without affecting the histogram correctness. >> >> So, none of that is exported to user space? > > I meant just that any optimization of those two things that ignored the > trailing garbage wouldn't affect the histogram keys. > > But yeah I think you're correct that ignoring it in the case of > saved_cmdlines wouldn't be a problem either but it would be in the case of > max_buffer since that's exported by the ring buffer.
OK. Thanks very much for your patience. :)
Kind regards, Jihong > > Tom > >> >> -- Steve >> > .
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