On Thu, 11 Aug 2016, Mathieu Poirier wrote: > This manpage patch relates to the addition of the > PERF_EVENT_IOC_SET_DRV_CONFIGS ioctl. > > link: http://www.spinics.net/lists/kernel/msg2318998.html > Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > --- > man2/perf_event_open.2 | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index 3c894ccd1209..315b6a91079a 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -2732,6 +2732,12 @@ The argument is a BPF program file descriptor that was created by > a previous > .BR bpf (2) > system call. > +.TP > +.BR PERF_EVENT_IOC_SET_DRV_CONFIGS " (since Linux 4.9)" > +This makes it possible to pass configuration parameters to PMU drivers. > +Configuration parameters are specific to each drivers. > + > +The argument is a pointer to the desired configuration parameters. > .SS Using prctl > A process can enable or disable all the event groups that are > attached to it using the This is a bit... vague. So we're adding an interface to allow passing arbitrary binary blobs through the perf_event interface? Is there any structure at all to these blobs? From the other commit messages it looked like you'd be passing in some sort of string. Vince -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
