On Fri, Jan 19, 2018 at 12:51:08PM -0800, Stephane Eranian wrote: > On Fri, Jan 19, 2018 at 12:50 PM, Stephane Eranian <eran...@google.com> wrote: > > On Fri, Jan 19, 2018 at 12:24 PM, Andi Kleen <a...@linux.intel.com> wrote: > >>> Oh, think a bit more. > >>> I think we cannot do the same thing as we did for CPU PMU's fixed > >>> counters. > >>> > >>> The counters here are free running counters. They cannot be start/stop. > >> > >> Yes free running counter have completely different semantics. They > >> need a separate event code. > >> > > Are you saying, you can be shared with no multiplexing? > > > Obviously not you, but the counters ;-)
Yes free running can be always shared. -Andi
