On 9/3/20 1:19 AM, Ian Rogers wrote: > On Tue, Sep 1, 2020 at 3:10 PM Kim Phillips <kim.phill...@amd.com> wrote: >> The nps1_die_to_dram event may need perf stat's --metric-no-group >> switch if the number of available data fabric counters is less >> than the number it uses (8). > > These are really excellent additions! Does: > "MetricConstraint": "NO_NMI_WATCHDOG" > solve the grouping issue? Perhaps the MetricConstraint needs to be > named more generically to cover this case as it seems sub-optimal to > require the use of --metric-no-group.
That metric uses data fabric (DFPMC/amd_df) events, not Core PMC events, which the watchdog uses, so NO_NMI_WATCHDOG wouldn't have an effect. The event is defined as an approximation anyway. I'll have to get back to you on the other items. Thanks for your review! Kim
