On Fri, Sep 13, 2024 at 04:57:22PM +0200, Jason A. Donenfeld wrote: > On Fri, Sep 13, 2024 at 04:16:51PM +0200, Heiko Carstens wrote: > > On Fri, Sep 13, 2024 at 03:53:43PM +0200, Jason A. Donenfeld wrote: > > > On Fri, Sep 13, 2024 at 03:05:43PM +0200, Heiko Carstens wrote: > > > > The vdso testcases vdso_test_getrandom and vdso_test_chacha pass. > > > > > > I'd be curious to see the results of ./vdso_test_getrandom bench-single > > > and such. > > > > It looks like this with two layers of hypervisors in between, but that > > shouldn't matter too much for this type of workload: > > > > $ ./vdso_test_getrandom bench-single > > vdso: 25000000 times in 0.493703559 seconds > > libc: 25000000 times in 6.371764073 seconds > > syscall: 25000000 times in 6.584025337 seconds > > Cool. I'll amend that to the commit message, perhaps, so we have some > historical snapshot of what it does. What cpu generation/model is this? That was on a z16 machine.