Messages in this thread | | | Date | Tue, 18 Jun 2019 14:23:29 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH V4] perf: event preserve and create across cpu hotplug |
| |
On Tue, Jun 18, 2019 at 02:24:51PM +0530, Mukesh Ojha wrote: > Perf framework doesn't allow preserving CPU events across > CPU hotplugs. The events are scheduled out as and when the > CPU walks offline. Moreover, the framework also doesn't > allow the clients to create events on an offline CPU. As > a result, the clients have to keep on monitoring the CPU > state until it comes back online. > > Therefore,
That's not a therefore. There's a distinct lack of rationale here. Why do you want this?
| |