| Date | Thu, 23 Jul 2020 20:29:23 -0700 | From | Andi Kleen <> | Subject | Re: [PATCH V7 12/14] perf, tools, stat: Support new per thread TopDown metrics |
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> + if (topdown_metric_attrs[0] && str) {` > + if (!stat_config.interval) { > + fprintf(stat_config.output, > + "Topdown accuracy may decreases when measuring long period.\n" > + "Please print the result regularly, e.g. -I1000\n");
Can you disable this warning when --metrics-only is used? In this case it doesn't matter because the error is proportional to the percentage accuracy and should be invisible.
You can only see a difference when looking at the expanded counts.
-andi
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