On 12/3/18 9:23 PM, Vince Weaver wrote: > > Back in 2014 (37bee118ad692e120559c71bc2b2428d31637c5e) the text > describing when multiplexing happens was changed in a confusing way. > This is an attempt to clarify things a bit. Thanks, Vince. Patch applied. Cheers, Michael > Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx> > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index 1c1b4b557..03bc82d8b 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -1460,10 +1460,9 @@ was specified. > .IR time_enabled ", " time_running > Total time the event was enabled and running. > Normally these values are the same. > -If more events are started, > -then available counter slots on the PMU, then multiplexing > -happens and events run only part of the time. > -In that case, the > +Multiplexing happens if the number of events is more than the > +number of available PMU counter slots. > +In that case the events run only part of the time and the > .I time_enabled > and > .I time running > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
