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From:   Song Liu <songliubraving@fb.com>
To:     David Ahern <dsahern@gmail.com>
CC:     Alexei Starovoitov <ast@fb.com>,
        David Miller <davem@davemloft.net>,
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        "peterz@infradead.org" <peterz@infradead.org>,
        "acme@kernel.org" <acme@kernel.org>
Subject: Re: [RFC perf,bpf 5/5] perf util: generate bpf_prog_info_event for
 short living bpf programs
Thread-Topic: [RFC perf,bpf 5/5] perf util: generate bpf_prog_info_event for
 short living bpf programs
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Date:   Wed, 7 Nov 2018 18:28:33 +0000
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> On Nov 7, 2018, at 10:12 AM, David Ahern <dsahern@gmail.com> wrote:
>=20
> On 11/6/18 6:09 PM, Alexei Starovoitov wrote:
>> On 11/6/18 4:44 PM, David Ahern wrote:
>>>=20
>>> So one use case is profiling bpf programs. I was also considering the
>>> auditing discussion from some weeks ago which I thought the events are
>>> also targeting.
>>=20
>> yes. there should be separate mode for 're: audit discussion' where
>> only bpf events are collected. This patch set doesn't add that to
>> perf user space side.
>> The kernel side is common though. It can be used for bpf load/unload
>> only and for different use case in this set. Which is making
>> bpf program appear in normal 'perf report'.
>=20
> It would be good for perf-script to work in the next version. Users
> should be able to dump the event from the kernel and the synthesized
> events. Should be trivial to add and allows a review of both
> perspectives -- profiling and monitoring events.

Yes, we do plan to include these information in other perf commands,=20
including perf-script, perf-top, perf-annotate, etc.=20

Thanks,
Song