From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00E18C43387 for ; Fri, 11 Jan 2019 01:05:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAD6F2133F for ; Fri, 11 Jan 2019 01:05:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WwqLF1XS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728834AbfAKBFm (ORCPT ); Thu, 10 Jan 2019 20:05:42 -0500 Received: from mail-pl1-f195.google.com ([209.85.214.195]:46244 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726369AbfAKBFm (ORCPT ); Thu, 10 Jan 2019 20:05:42 -0500 Received: by mail-pl1-f195.google.com with SMTP id t13so5951364ply.13; Thu, 10 Jan 2019 17:05:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=fB2hJP/xSQK32eL1DvTMTTE0TsTmVKmT+UznK7gNy2U=; b=WwqLF1XSi+VUGOMM07aBjhWGESjZHyXztV4H/7uMIwImXdK+AYHOajE+HNkVxUftT+ 8DfEv3Ba3mPZ+YXk3aBnB18eNTwsPpY3Mg/KgpQFCqKey90k9BMi1G/GBKkQGusCtT16 EDB3eLUUX9PnqZiMP1Hmtp5VR9UqNKsuNinOUToFCl7zxjOE1BdDZy4CbcljE6X3UE43 r4YdWcqGNsffnXY8T1GUPRfsPR1I/0wwm75MJSiCOUaaCgso+1SjSO94wxxStaRhG32/ RaLzmTklnAANnfWOB1Fhv2GdgxyuCTrkKK0lAhDRr+SqThyk1AbonRMVTSmXzjffChWC 6j+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=fB2hJP/xSQK32eL1DvTMTTE0TsTmVKmT+UznK7gNy2U=; b=LzYlu/SWLGAfK6cldO+Su4aAWFtWH5E/FaBdJcOYFYKzt6JF+7gl9YVfTx1zgJi0Ub 7emBsoRqnykd1Nft3+3v4jHW7KdtuqNEsVn8rO+fO72bimH8zqZ+f7xXOY7JflHn/G48 w9Ds4ZJlQMeSBi1YcAIUBq6G/VX1CJKSt3yp2ZK4sz83/7zjmA5rqAp8bjQbcmpdQyRH mTX7uNfnGHlLxH39JdHArYiyH0kh7/GWdmhpNdAXvZsbF/qb2xPRFsKOT38tBTtHv8hu TECLq0S8evN/jHzPogY05B64KjIoIDTOu0O6gwky+bao3HfVU2XPqIyvCSXt8KphlMUL McPw== X-Gm-Message-State: AJcUukcCjiV0cpOfi3Ew6TX7aHZYo7PI2YpFM8bH0llX/gR1bD01y3/J ofvVFbKX32kVJmBoz/g9+Bw= X-Google-Smtp-Source: ALg8bN54mOtEC33zSTXmgul2NT3Zm+4+GoUoWBENXtJZiQTyEsGyiJ3Bq5MXQOuzHXrd14B04Esoqg== X-Received: by 2002:a17:902:ab92:: with SMTP id f18mr12104999plr.221.1547168741765; Thu, 10 Jan 2019 17:05:41 -0800 (PST) Received: from ?IPv6:2601:282:800:fd80:f849:e85a:90:6d6a? ([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.