Re: [linus:master] [x86/bugs] a3af84b0fa: stress-ng.seccomp.ops_per_sec 95.7% regression

Dave Hansen <[email protected]>
Newsgroups dev.linux.lists.oe-lkp,org.kernel.vger.bpf,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On 8/18/26 23:20, kernel test robot wrote:
> kernel test robot noticed a 95.7% regression of stress-ng.seccomp.ops_per_sec on:

One one level this is a "vulnerability mitigations cause performance
loss, news at 11" kind of thing. Like, Duh!

The microbenchmark here does seem to be a pretty worse-case scenario
where it sits in a loop loading and running a seccomp filter program. In
other words, it's just about as pathological of a test as you can have.

I think Pawan had some more ideas about ways to optimize this. Is there
any appetite for that? Or is the test just too synthetic to worry about?
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