Re: Profiling of vdso_test_random

2024-09-04 Thread Adhemerval Zanella Netto
On 04/09/24 08:41, Christophe Leroy wrote: > Hi, > > I'm done a 'perf record' on vdso_test_random reduced to vdso test only, and I > get the following function usage profile. > > Do you see the same type of percentage on your platforms ? > > I would have expected most of the time to be spent

Re: Profiling of vdso_test_random

2024-09-04 Thread Jason A. Donenfeld
On Wed, Sep 4, 2024 at 1:41 PM Christophe Leroy wrote: > > Hi, > > I'm done a 'perf record' on vdso_test_random reduced to vdso test only, > and I get the following function usage profile. > > Do you see the same type of percentage on your platforms ? > > I would have expected most of the time to

Profiling of vdso_test_random

2024-09-04 Thread Christophe Leroy
Hi, I'm done a 'perf record' on vdso_test_random reduced to vdso test only, and I get the following function usage profile. Do you see the same type of percentage on your platforms ? I would have expected most of the time to be spent in __arch_chacha20_blocks_nostack() but that's in fact not