From: Alexei Starovoitov <ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
To: Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Namhyung Kim <namhyung-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Arnaldo Carvalho de Melo
<acme-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Jiri Olsa <jolsa-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Masami Hiramatsu
<masami.hiramatsu.pt-FCd8Q96Dh0JBDgjK7y7TUQ@public.gmane.org>,
Linux API <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Network Development
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
"Eric W. Biederman"
<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH v3 linux-trace 1/8] tracing: attach eBPF programs to tracepoints and syscalls
Date: Sat, 14 Feb 2015 17:48:58 -0500 [thread overview]
Message-ID: <CAMEtUuyLU5i4LW=ugTkOc4b2KLfo3cQhZe1pp+fLmq3qNfGQfg@mail.gmail.com> (raw)
On Wed, Feb 11, 2015 at 5:28 AM, Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org> wrote:
>
> We're compiling the BPF stuff against the 'current' kernel headers
> right?
the tracex1 example is pulling kernel headers to demonstrate
how bpf_fetch*() helpers can be used to walk kernel structures
without debug info.
The other examples don't need any internal headers.
> So would enforcing module versioning not be sufficient?
I'm going to redo the ex1 to use kprobe and some form of
version check. Indeed module-like versioning should
be enough.
next reply other threads:[~2015-02-14 22:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-14 22:48 Alexei Starovoitov [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-02-23 18:55 [PATCH v3 linux-trace 1/8] tracing: attach eBPF programs to tracepoints and syscalls Alexei Starovoitov
2015-02-14 23:02 Alexei Starovoitov
2015-02-14 22:54 Alexei Starovoitov
2015-02-11 6:33 Alexei Starovoitov
[not found] ` <CAMEtUuxizvHF09y_vU-c+L=n16tqWDqJPTybGB1a_OqN7p+jsA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-11 12:51 ` Steven Rostedt
2015-02-11 3:04 Alexei Starovoitov
[not found] ` <CAMEtUuy+B9aXP-8m7tA6aNxnS4SKRhMpfGEdWMcbxbj7ggOATw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-11 4:31 ` Steven Rostedt
2015-02-11 0:22 Alexei Starovoitov
[not found] ` <CAMEtUuzY_Po=WtFEFg1aqzJ8dEF4rHGcWDsaS44KYgACMNPPgA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-11 0:50 ` Steven Rostedt
2015-02-11 9:45 ` Peter Zijlstra
2015-02-11 10:15 ` Peter Zijlstra
2015-02-12 4:58 ` Hekuang
2015-02-11 9:33 ` Peter Zijlstra
2015-02-16 11:26 ` He Kuang
2015-02-10 19:53 Alexei Starovoitov
[not found] ` <CAMEtUuwAf4AFeWVEdJB4VQz_=2fWY=q8=rbkFg38rtVtNVCHxg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-10 21:53 ` Steven Rostedt
[not found] ` <20150210165359.34cc53d9-f9ZlEuEWxVcJvu8Pb33WZ0EMvNT87kid@public.gmane.org>
2015-02-11 10:28 ` Peter Zijlstra
2015-02-10 6:10 Alexei Starovoitov
[not found] ` <CAMEtUuztTca2jC9Su0YkTHEUHsD4p2PBRyukabrjGO0WfFzdfA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-10 13:05 ` Steven Rostedt
2015-02-10 5:51 Alexei Starovoitov
2015-02-10 12:27 ` Steven Rostedt
2015-02-10 3:45 [PATCH v3 linux-trace 0/8] tracing: attach eBPF programs to tracepoints/syscalls/kprobe Alexei Starovoitov
[not found] ` <1423539961-21792-1-git-send-email-ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
2015-02-10 3:45 ` [PATCH v3 linux-trace 1/8] tracing: attach eBPF programs to tracepoints and syscalls Alexei Starovoitov
[not found] ` <1423539961-21792-2-git-send-email-ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
2015-02-10 4:46 ` Steven Rostedt
2015-02-10 5:13 ` Steven Rostedt
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