On Thu, Mar 28, 2024 at 10:46:33AM -1000, Tejun Heo wrote: > Hello, Kent. > > On Thu, Mar 28, 2024 at 04:22:13PM -0400, Kent Overstreet wrote: > > Most users are never going to touch tracing, let alone BPF; that's too > > much setup. But I can and do regularly tell users "check this, this and > > this" and debug things on that basis without ever touching their > > machine. > > I think this is where the disconnect is. It's not difficult to set up at > all. Nowadays, in most distros, it comes down to something like run "pacman > -S bcc" and then run "/usr/share/bcc/tools/biolatpcts" with these params or > run this script I'm attaching. It is a signficant boost when debugging many > different kernel issues. I strongly suggest giving it a try and getting used > to it rather than resisting it. The disconnect is with you, Tejun. I use tracing all the time, and it's not going to be much of a discussion if you're not going to formulate a response.