Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp9715750ybi; Wed, 10 Jul 2019 15:35:40 -0700 (PDT) X-Google-Smtp-Source: APXvYqzMkhXuyiacDDynSmnc8liK9udxB7tVs/FELWdTTsffAsrn6zjvKZt0kWr9avs4nTbCSeOR X-Received: by 2002:a17:902:7687:: with SMTP id m7mr715228pll.310.1562798139942; Wed, 10 Jul 2019 15:35:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1562798139; cv=none; d=google.com; s=arc-20160816; b=JJkWgB7gbVBXAS6nayhVGlNUw/B5UnrVazbC23LCAP9or7P+ua2uK56U2g1A+pirjU 8WoGHWclLlLcRSAxnnW6jxESa3pVx1RVLJC4JUmBpdhLVJ6UrrJl7jdIrbdHVERRB/4K pnuaAw3nYRxciWHkmFdEON6NUshFqSbJig+/V69pnMVgc2q4F64hTylNDubgOYuhs/Lf UYivJ9d9SOLzm9P3Kn806sDyLdoaqJTS9/w883Ct477ABUjoUVwlghNoJxKax059p7mS 4BSBjOh1LbnIj+qDHjPPqc9rVVRg4wExwVResjPvJUTYaBeLJc3xjwQQ+JF39fRKLvgH NbRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=5Rhn0DuBo9FM/QwXUGv/H/mgqwVovVmm70/QVwhNi9s=; b=zVebX2RntkJOBAL4qRer/MdJlvzLG9VJuH/dfOWvZBj+cqQyTbecduPnppXkQc9LsG rHVt1VO7IcqCDiTyWOZAq2aQ5gwSETYEtQkyR2oyJiKXYroWP4IESpshVPKc2ovgRR7G bIBOINSO8rZROm6/2hJxWeTQeimzurd0umlHBiieB6e1nCLl9+us/lgixmMh2JPpES99 01qMtRfwrbDnbE4rjBem1XhNtu+s+Eevg9ujqk86c73IGU4DP5uT140zl1uWJXkd47Si CHj+/MvjIk/lsr2cOwGLDOMpR4/Qh+KB6hdaIwjXc3j0NRONJPKM73QGU/wJO230G1DO DuUA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 60si3418222plf.398.2019.07.10.15.35.24; Wed, 10 Jul 2019 15:35:39 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727913AbfGJWbU (ORCPT + 99 others); Wed, 10 Jul 2019 18:31:20 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:33922 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727222AbfGJWbT (ORCPT ); Wed, 10 Jul 2019 18:31:19 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 8520814B5AA0F; Wed, 10 Jul 2019 15:31:18 -0700 (PDT) Date: Wed, 10 Jul 2019 15:31:16 -0700 (PDT) Message-Id: <20190710.153116.614111233846989165.davem@davemloft.net> To: brendan.d.gregg@gmail.com Cc: kris.van.hees@oracle.com, daniel@iogearbox.net, corbet@lwn.net, netdev@vger.kernel.org, bpf@vger.kernel.org, dtrace-devel@oss.oracle.com, linux-kernel@vger.kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, acme@kernel.org, ast@kernel.org, peterz@infradead.org, clm@fb.com Subject: Re: [PATCH V2 1/1 (was 0/1 by accident)] tools/dtrace: initial implementation of DTrace From: David Miller In-Reply-To: References: <1de27d29-65bb-89d3-9fca-7c452cd66934@iogearbox.net> <20190710213637.GB13962@oracle.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 10 Jul 2019 15:31:19 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Brendan Gregg Date: Wed, 10 Jul 2019 14:49:52 -0700 > Hey Kris -- so you're referring to me, and I've used DTrace more than > anyone over the past 15 years, and I don't think anyone has used all > the different Linux tracers more than I have. I think my opinion has a > lot of value. +1 I seriously am against starting to merge all of these userland tracing tools into the tree. They belong as separate independant projects, outside of the kernel tree.