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([2601:282:800:fd80:f849:e85a:90:6d6a]) by smtp.googlemail.com with ESMTPSA id a90sm138701421pfj.109.2019.01.10.17.05.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Jan 2019 17:05:40 -0800 (PST) Subject: Re: [PATCH v6 perf, bpf-next 1/7] perf, bpf: Introduce PERF_RECORD_KSYMBOL To: Song Liu , Arnaldo Carvalho de Melo Cc: lkml , "netdev@vger.kernel.org" , "peterz@infradead.org" , "ast@kernel.org" , "daniel@iogearbox.net" , Kernel Team References: <20190109192111.130995-1-songliubraving@fb.com> <20190109192111.130995-2-songliubraving@fb.com> <20190110182403.GN22483@kernel.org> <064FBBA4-A0D0-4335-BCE7-902724CE2988@fb.com> <20190110185524.GO22483@kernel.org> From: David Ahern Message-ID: Date: Thu, 10 Jan 2019 18:05:38 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.