Clarify the perf_event_open() wakeup_events/wakeup_watermark fields a bit, based on info from kernel commit cfeb1d90a1b1. Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx> diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index f3850f0..14b89ae 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -870,6 +870,16 @@ happen before an overflow signal happens. Which one is used is selected by the .I watermark bitflag. + +.I wakeup_events +only counts +.B PERF_RECORD_SAMPLE +record types. +To receive a signal for every incoming +.B PERF_RECORD +type set +.I wakeup_watermark +to 1. .TP .IR "bp_type" " (Since Linux 2.6.33)" This chooses the breakpoint type. -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
