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. 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