From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexei Starovoitov <ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
Subject: Re: [patch 03/10] perf_event_open.2: 4.1 PERF_EVENT_IOC_SET_BPF support
Date: Thu, 16 Apr 2015 12:00:19 -0700
Message-ID: <553006C3.40802@plumgrid.com>
References: <alpine.DEB.2.11.1504161412550.15181@vincent-weaver-1.umelst.maine.edu>
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To: Vince Weaver <vincent.weaver-e7X0jjDqjFGHXe+LvDLADg@public.gmane.org>, "Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Peter Zijlstra <a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>, Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>, Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Arnaldo Carvalho de Melo <acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Stephane Eranian <eranian-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>, Masami Hiramatsu <masami.hiramatsu.pt-FCd8Q96Dh0JBDgjK7y7TUQ@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Daniel Borkmann <daniel-FeC+5ew28dpmcu3hnIyYJQ@public.gmane.org>, "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>, Jiri Olsa <jolsa-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Namhyung Kim <namhyung-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
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On 4/16/15 11:13 AM, Vince Weaver wrote:
>
> This manpage patch relates to the addition of the
> PERF_EVENT_IOC_SET_BPF ioctl in the following commit:
>
> Signed-off-by: Vince Weaver <vincent.weaver-e7X0jjDqjFGHXe+LvDLADg@public.gmane.org>
>
> +.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.
> +
> +The argument is a BPF program id that was created by

... is a BPF program FD ...

other than that it looks good. Thank you for documenting!

btw, I'll refresh my month old bpf(2) patch:
http://thread.gmane.org/gmane.linux.man/8676
with the latest details and repost.
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