linux-kernel - Re: [PATCH v6 perf, bpf-next 1/7] perf, bpf: Introduce PERF_RECORD

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Message-ID: <af9bfba0-6115-922e-f988-fe4aa6bf1ca3@gmail.com>
Date:   Thu, 10 Jan 2019 18:05:38 -0700
From:   David Ahern <dsahern@...il.com>
To:     Song Liu <songliubraving@...com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v6 perf, bpf-next 1/7] perf, bpf: Introduce
 PERF_RECORD_KSYMBOL

On 1/10/19 12:45 PM, Song Liu wrote:
> Could you please share your feedback on PERF_RECORD_BPF_EVENT for auditing
> use cases?

Google shows Daniel was the one looking at audit use cases:
https://www.mail-archive.com/netdev@vger.kernel.org/msg250728.html


My comment was that using a PERF_RECORD_BPF_EVENT limits the usability
with combinations of other tracepoints (e.g, scheduling) when tracing
processes.