Re: [PATCH v3 31/35] lib: add memory allocations report in show_mem()

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On Thu, 15 Feb 2024 19:50:24 -0500
Kent Overstreet <kent.overstreet@xxxxxxxxx> wrote:

> > All nice, but where are the benchmarks? This looks like it will have an
> > affect on cache and you can talk all you want about how it will not be an
> > issue, but without real world benchmarks, it's meaningless. Numbers talk.  
> 
> Steve, you're being demanding. We provided sufficient benchmarks to show
> the overhead is low enough for production, and then I gave you a
> detailed breakdown of where our overhead is and where it'll show up. I
> think that's reasonable.

It's not unreasonable or demanding to ask for benchmarks. You showed only
micro-benchmarks that do not show how cache misses may affect the system.
Honestly, it sounds like you did run other benchmarks and didn't like the
results and are fighting to not have to produce them. Really, how hard is
it? There's lots of benchmarks you can run, like hackbench, stress-ng,
dbench. Why is this so difficult for you?

-- Steve




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