Messages in this thread | | | Date | Fri, 24 Jul 2020 07:39:08 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH V7 07/14] perf/core: Add a new PERF_EV_CAP_COEXIST event capability |
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> The consequence is that SLOTS must be the leader, is that really a > problem? You keep providing the {cycles, slots, metric-things} example,
Yes that's a problem. One (major) use case for topdown is to sample on lots of different events, but always create groups that also measure topdown metrics for that sampling period. For that we need other leaders.
-Andi
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