On Fri, Jul 14, 2017 at 10:22:49AM -0700, Andi Kleen wrote: > Jiri Olsa <jo...@kernel.org> writes: > > > > Setting the reset field to 0 for freq events. > > Looks good to me. > > Reviewed-by: Andi Kleen <a...@linux.intel.com> > > BTW I suspect there's a related bug that > > perf record -e '{cycles:pp,branches}:S' .. > > would enable multi record PEBS, even though it shouldn't because > we need the PMI to read the other events.
there's PERF_SAMPLE_READ om cycles's sample_type for this example so it won't pass the x86_pmu::free_running_flags filter also PERF_SAMPLE_TIME and PERF_SAMPLE_PERIOD will be set in your example which will prevent that, but those could be unset via record's '-c xxxx' and '--no-timestamp' jirka