On Mon, Nov 17, 2025 at 10:34 PM Menglong Dong <[email protected]> wrote: > > On 2025/11/18 14:31, Alexei Starovoitov wrote: > > On Sun, Nov 16, 2025 at 7:49 PM Menglong Dong <[email protected]> > > wrote: > > > > > > For now, the bpf trampoline is called by the "call" instruction. However, > > > it break the RSB and introduce extra overhead in x86_64 arch. > > > > Please include performance numbers in the cover letter when you respin. > > Hmm...I included a little performance, do you mean more performance > data? Current description: > > As we can see above, the RSB is totally balanced. After the modification, > the performance of fexit increases from 76M/s to 130M/s.
I saw that. I meant full comparison with fentry and fmodret. I suspect fmodret improved as well, right? And include the command line that you used to measure. selftests/bpf/bench... so there is a way to reproduce what patchset claims.
