Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable() helpers

From	Alexei Starovoitov <ast@plumgrid.com>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable() helpers
Date	2015-10-14 07:20 +0200
Message-ID	<qjmDL-5q3-7@gated-at.bofh.it> (permalink)
References	(5 earlier) <qiYUO-35B-3@gated-at.bofh.it> <qiZe9-3H1-9@gated-at.bofh.it> <qiZxw-46G-9@gated-at.bofh.it> <qj0ae-55H-13@gated-at.bofh.it> <qj5th-4gD-23@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 10/13/15 3:54 AM, He Kuang wrote:
> If we want perf to reflect as soon as our sample event be generated,
> --no-buffering should be used, but this option has a greater
> impact on performance.

no_buffering doesn't have to be applied to all events obviously.

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[RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable() helpers Kaixu Xia <xiakaixu@huawei.com> - 2015-10-12 11:10 +0200
  Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers Alexei Starovoitov <ast@plumgrid.com> - 2015-10-12 21:30 +0200
    Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable()  helpers "Wangnan (F)" <wangnan0@huawei.com> - 2015-10-13 05:30 +0200
      Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers Alexei Starovoitov <ast@plumgrid.com> - 2015-10-13 05:40 +0200
        Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable()  helpers "Wangnan (F)" <wangnan0@huawei.com> - 2015-10-13 06:00 +0200
          Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers Alexei Starovoitov <ast@plumgrid.com> - 2015-10-13 06:20 +0200
            Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable()  helpers "Wangnan (F)" <wangnan0@huawei.com> - 2015-10-13 06:40 +0200
              Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers Alexei Starovoitov <ast@plumgrid.com> - 2015-10-13 07:20 +0200
                Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable()  helpers "Wangnan (F)" <wangnan0@huawei.com> - 2015-10-13 09:10 +0200
                Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers He Kuang <hekuang@huawei.com> - 2015-10-13 13:00 +0200
                Re: [RFC PATCH 2/2] bpf: Implement bpf_perf_event_sample_enable/disable()  helpers "Wangnan (F)" <wangnan0@huawei.com> - 2015-10-13 13:20 +0200
                Re: [RFC PATCH 2/2] bpf: Implement  bpf_perf_event_sample_enable/disable() helpers Alexei Starovoitov <ast@plumgrid.com> - 2015-10-14 07:20 +0200

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