From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [patch 03/11] perf_event_open.2: 4.1 PERF_EVENT_IOC_SET_BPF support Date: Wed, 14 Oct 2015 08:27:43 +0200 Message-ID: <561DF5DF.9050404@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Vince Weaver Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Stephane Eranian , Alexei Starovoitov , Steven Rostedt , Masami Hiramatsu , Andrew Morton , Daniel Borkmann , "David S. Miller" , Jiri Olsa , Linus Torvalds , Namhyung Kim List-Id: linux-man@vger.kernel.org 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 > > tracing, perf: Implement BPF programs attached to kprobes > > Signed-off-by: Alexei Starovoitov > Reviewed-by: Steven Rostedt > Reviewed-by: Masami Hiramatsu > Cc: Andrew Morton > Cc: Arnaldo Carvalho de Melo > Cc: Arnaldo Carvalho de Melo > Cc: Daniel Borkmann > Cc: David S. Miller > Cc: Jiri Olsa > Cc: Linus Torvalds > Cc: Namhyung Kim > Cc: Peter Zijlstra > Cc: Peter Zijlstra > Link: http://lkml.kernel.org/r/1427312966-8434-4-git-send-email-ast@plumgrid.com > Signed-off-by: Ingo Molnar > > > Signed-off-by: Vince Weaver > > 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/