Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf event

From	Alexei Starovoitov <ast@plumgrid.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf event
Date	2015-08-29 04:30 +0200
Message-ID	<q2E42-592-7@gated-at.bofh.it> (permalink)
References	(1 earlier) <q2lXs-4sW-23@gated-at.bofh.it> <q2Cvf-2JO-3@gated-at.bofh.it> <q2D7Y-3I2-11@gated-at.bofh.it> <q2DhD-3Tb-1@gated-at.bofh.it> <q2DUl-4XT-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 8/28/15 7:15 PM, Wangnan (F) wrote:
> I'd like to see whether it is possible to create dynamic tracepoints so
> different receivers can listen on different tracepoints.

see my proposal A. I think ftrace instances might work for this.

I'm not sure about 'format' part though. Kernel side shouldn't be
aware of it. It's only the contract between bpf program and user process
that deals with it.

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Thread

[PATCH 32/32] bpf: Introduce function for outputing data to perf event Wang Nan <wangnan0@huawei.com> - 2015-08-28 09:10 +0200
  Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event Alexei Starovoitov <ast@plumgrid.com> - 2015-08-29 02:50 +0200
    Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event "Wangnan (F)" <wangnan0@huawei.com> - 2015-08-29 03:30 +0200
      Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event Alexei Starovoitov <ast@plumgrid.com> - 2015-08-29 03:40 +0200
        Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event "Wangnan (F)" <wangnan0@huawei.com> - 2015-08-29 04:20 +0200
          Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event Alexei Starovoitov <ast@plumgrid.com> - 2015-08-29 04:30 +0200
            Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event "Wangnan (F)" <wangnan0@huawei.com> - 2015-08-29 04:40 +0200
              Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event Alexei Starovoitov <ast@plumgrid.com> - 2015-08-29 05:00 +0200
                Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf  event "Wangnan (F)" <wangnan0@huawei.com> - 2015-08-29 05:00 +0200

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