On Tue, Jun 06, 2017 at 08:46:28PM +0530, Naveen N. Rao wrote: > Many perf sideband events (context switches, namespaces, ...) are useful > by themselves without the need for subscribing to any overflow events. > However, it is not possible to subscribe for notifications when such > records are logged into the ring buffer. Introduce IOC_COUNT_RECORDS as > a way to request this. > > With IOC_COUNT_RECORDS set, IOC_REFRESH takes the number of records > after which to generate a notification, rather than the number of > overflow events.
You forgot to explain why? As is I'm not terribly excited to have more 'crud' in that output path.
