Messages in this thread | | | Date | Tue, 27 Aug 2013 14:27:21 +0200 | From | Robert Richter <> | Subject | Re: [PATCH v3 00/12] perf, persistent: Add persistent events |
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On 24.08.13 11:38:26, Borislav Petkov wrote: > this text is very nicely written and should be in a README somewhere. > :-)
Yeah, will put it under tools/perf/Documentation/...
> > There are ioctl functions to control persistent events that can be > > used to detach or attach an event to or from a process. The > > PERF_EVENT_IOC_DETACH ioctl call makes an event persistent. > > Yeah, we probably want to abstract this a step further by allowing > to attach/detach fds to/from events. Then "persistent" is only one > incarnation of us always detaching from the event during its lifetime. > > If we close an event while it is attached, it gets destroyed - i.e., > current functionality, etc. See the other thread.
I don't know what you mean here exactly, please explain.
> But we probably need more input on this from people. Ingo, Peter?
Yes, that would be great.
Thanks,
-Robert
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