On Fri, Aug 11, 2017 at 04:26:29PM -0700, Andi Kleen wrote: > From: Andi Kleen <[email protected]> > > Add generic support for standalone metrics specified in JSON files > to perf stat. A metric is a formula that uses multiple events > to compute a higher level result (e.g. IPC). > > Previously metrics were always tied to an event and automatically > enabled with that event. But now change it that we can have > standalone metrics. They are in the same JSON data structure > as events, but don't have an event name. > > We also allow to organize the metrics in metric groups, which > allows a short cut to select several related metrics at once. > > Add a new -M / --metrics option to perf stat that adds the metrics > or metric groups specified. > > Add the core code to manage and parse the metric groups. They > are collected from the JSON data structures into a separate rblist. > When computing shadow values look for metrics in that list. > Then they are computed using the existing saved values infrastructure > in stat-shadow.c > > The actual JSON metrics are in a separate pull request.
would need this for testing.. could you please put it somewhere? thanks, jirka
