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Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter
Date 2015-07-17 14:50 +0200
Message-ID <pNdfs-5HQ-15@gated-at.bofh.it> (permalink)
References (5 earlier) <pNct4-4xC-19@gated-at.bofh.it> <pNcCK-4Yl-1@gated-at.bofh.it> <pNcMr-59N-29@gated-at.bofh.it> <pNd5M-5wj-7@gated-at.bofh.it> <pNdfs-5HQ-9@gated-at.bofh.it>
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On Fri, Jul 17, 2015 at 02:45:38PM +0200, Peter Zijlstra wrote:
> On Fri, Jul 17, 2015 at 08:27:43PM +0800, Wangnan (F) wrote:

> >  event must on current CPU or must be on current process. If not,
> >  bpf_read_pmu() should simply return an error.

I would further restrict by saying !inherit (and maybe even !sample).
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[RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter kaixu xia <xiakaixu@huawei.com> - 2015-07-17 12:50 +0200
  Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 13:10 +0200
    Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 13:40 +0200
    Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 13:40 +0200
      Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-17 13:50 +0200
        Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 14:00 +0200
          Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 14:00 +0200
            Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-17 14:10 +0200
              Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-17 14:10 +0200
              Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 14:20 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-17 14:40 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 14:50 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 14:50 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter pi3orama <pi3orama@163.com> - 2015-07-17 15:10 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter Peter Zijlstra <peterz@infradead.org> - 2015-07-17 15:30 +0200
                Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get the selected hardware PMU conuter pi3orama <pi3orama@163.com> - 2015-07-17 15:50 +0200
    Re: [RFC PATCH 5/6] bpf: Implement function bpf_read_pmu() that get  the selected hardware PMU conuter "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-17 13:40 +0200

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