Re: [PATCH v2 00/11] perf/uprobe: Optimize uprobes

Peter Zijlstra
2024-07-15T14:45:42Z

On Thu, Jul 11, 2024 at 09:57:44PM -0700, Andrii Nakryiko wrote:

> But then I also ran it on Linux built from perf/uprobes branch (these
> patches), and after a few seconds I see that there is no more
> attachment/detachment happening. Eventually I got splats, which you
> can see in [1]. I used `sudo ./uprobe-stress -a10 -t5 -m5 -f3` command
> to run it inside my QEMU image.

So them git voodoo incantations did work and I got it built. I'm running
that exact same line above (minus the sudo, because test box only has a
root account I think) on real hardware.

I'm now ~100 periods in and wondering what 'eventually' means...

Also, this is a 2 socket, 10 core per socket, 2 threads per core
ivybridge thing, are those parameters sufficient?