On 07/23/2015 07:10 PM, Vince Weaver wrote: > > This manpage patch relates to the addition of the > PERF_EVENT_IOC_SET_BPF ioctl in the following commit:
Thanks, Vince. Applied. Cheers, Michael > commit 2541517c32be2531e0da59dfd7efc1ce844644f5 > Author: Alexei Starovoitov <[email protected]> > > tracing, perf: Implement BPF programs attached to kprobes > > Signed-off-by: Alexei Starovoitov <[email protected]> > Reviewed-by: Steven Rostedt <[email protected]> > Reviewed-by: Masami Hiramatsu <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Arnaldo Carvalho de Melo <[email protected]> > Cc: Arnaldo Carvalho de Melo <[email protected]> > Cc: Daniel Borkmann <[email protected]> > Cc: David S. Miller <[email protected]> > Cc: Jiri Olsa <[email protected]> > Cc: Linus Torvalds <[email protected]> > Cc: Namhyung Kim <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Link: > http://lkml.kernel.org/r/[email protected] > Signed-off-by: Ingo Molnar <[email protected]> > > > Signed-off-by: Vince Weaver <[email protected]> > > diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 > index a6b90ec..09eda9a 100644 > --- a/man2/perf_event_open.2 > +++ b/man2/perf_event_open.2 > @@ -2570,6 +2570,19 @@ This returns the event ID value for the given event > file descriptor. > > The argument is a pointer to a 64-bit unsigned integer > to hold the result. > +.TP > +.BR PERF_EVENT_IOC_SET_BPF " (since Linux 4.1)" > +.\" commit 2541517c32be2531e0da59dfd7efc1ce844644f5 > +This allows attaching a Berkeley Packet Filter (BPF) > +program to an existing kprobe tracepoint event. > +You need > +.B CAP_SYS_ADMIN > +privileges to use this ioctl. > + > +The argument is a BPF program file descriptor that was created by > +a previous > +.BR bpf (2) > +system call. > .SS Using prctl > A process can enable or disable all the event groups that are > attached to it using the > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
