From owner-freebsd-hackers@freebsd.org Tue Oct 23 13:48:26 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4E727FD8B5E for ; Tue, 23 Oct 2018 13:48:26 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DF85C7D47D; Tue, 23 Oct 2018 13:48:25 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id E173D20D56; Tue, 23 Oct 2018 09:48:19 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Tue, 23 Oct 2018 09:48:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yuripv.net; h= subject:to:cc:references:from:message-id:date:mime-version :in-reply-to:content-type:content-transfer-encoding; s=fm3; bh=O 8r6R5kUwIURSe4jCDjIvi2mNm/SnTVR3CqXBC/Lxo4=; b=L3nEKYDgGstuTfEfU jRTvAmwg724Q182oZvEKt12EE8q9nxaHWqz2flUB1p9mfXuO1rP7TDv+Dexu0hKo OIoDPiAx2hGIzBGm6eIsFRaURX5nNUCIQh6DtSEuj18ilTopSx/SycnkVPB357yQ ZwN8zkRMYq8zEKyZ4F6MdDEs6/cmAvq5K9qC2QHA6F2k+9EL0XhW/nB00FZIY9m0 9bsAPdUwzfWYCOSbzP6WIHJK28PKI2PFrfmUqbgrgJc7yRfzGRfMg8t/CnpHE7og 0WObDK6Ec94fuBHJ923HjibpTHt/YCBEdF6HClRzmaiPEDWf4/PhcV7W6vdTJBSB kpJCw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=O8r6R5kUwIURSe4jCDjIvi2mNm/SnTVR3CqXBC/Lx o4=; b=HQy/5G2YbZVyttqQVCZRmn4dmHtgpoQOaQQNNaHvxK/Xg2id25izSOubU I4y9HjbcljKcXC0El0niXMzTKCINIM+/tpCsgHWJgUmt23pv2fZpJHP/y2kG8TL7 WeBnqeC4gbdqhJW4he7gfKwtcCeaUK+OZbltvQw0ffPzP2no0LffWek1KHNeeSOZ I4C1PDOIs8ZsBX6DC1gWE4nYrbpeKwtkhqorjAmtBanooU12ovsJuPAPIFG1VvPL kQE/JVzzX5xsTzyxgbZtdlfoRdVWoEpB1YFun/UZXkXfrlzu3TNkW8eaPFigoeQh ySAfgkMo01hKMdKGB3iQd0OgBBqig== X-ME-Sender: X-ME-Proxy: Received: from [192.168.1.2] (unknown [62.183.124.190]) by mail.messagingengine.com (Postfix) with ESMTPA id DB74B102DE; Tue, 23 Oct 2018 09:48:17 -0400 (EDT) Subject: Re: What is wrong with dtrace's stack()? To: lev@FreeBSD.org, Ryan Stone Cc: freebsd-hackers@freebsd.org References: <170994671.20181021201021@serebryakov.spb.ru> <475670271.20181022003734@serebryakov.spb.ru> <234d745d-37a9-9610-15b9-0f5cd5af21bf@FreeBSD.org> <5bbf4ebe-c62a-3c6d-617f-d1c832d87cf5@FreeBSD.org> From: Yuri Pankov Openpgp: preference=signencrypt Autocrypt: addr=yuripv@yuripv.net; keydata= xsBNBFu8u6IBCADB11gP0QwnorrHjqAtKLHKHNHskhy0s7jqJKfx0YqXgVBKGLJ9/mjLAz0F CBNvemHSDDTs0mEZ9cBKKi6cmsav6+UQgr//yai6hvXLBJqKchSFO4MhmdvBtsGFq1yKz5Zi uhjmimKyIpgBgvMdbgGbGq6cnSB2uEPmZuJr419SVRODOkXukU+F5WHgaHzDdHAIu1asCt2B +6msxqIqlFWcXyZyTGicTGGvC/PFIsVRUtD1dIJANTC876g7DTb7LZXWiWwJpSJ4GKMXMHVX Ct9BoQ4i3nhKbOxb6Io1wsy+NFyWsTJ9KYrxKKPJP3oG8BWb/cqlFqnE4eNSsiq2q7krABEB AAHNIFl1cmkgUGFua292IDx5dXJpcHZARnJlZUJTRC5vcmc+wsCUBBMBCgA+FiEE+Gq3PsPe LT4tL/9wk4vgf7Eq4WwFAlu9Cn0CGwMFCQWjmoAFCwkIBwMFFQoJCAsFFgMCAQACHgECF4AA CgkQk4vgf7Eq4WxuPQf9HccaDyusO1J+wDQNlp9/uU0cnIfjHAeG80xrAfN9Vnf1wO9T2/WI iYlIdK+KVnhSa/DeBuHq/asfpUbrOleTF0hzG39os+95DzuT9a/j5XeQGuBgNbpVB+10zR3I 5AagSQetHilcZtz65g9GTUuIxb+xDaBehFBjyYXApfNE6yY5IlzDZpM7MOOLLFm2mQwQ8yjS eZ4jA6qW6/QMXRTkmpC9EXIeWDuNgWBwszaFGR6oUIpl0mGmwdJkEKwUazt6OuoDilMNZefZ 0pVFZBhnE46vK+6FDDFZE3BkeHVnqvy2QGL/6uKhSHc0lChCEPHnhqz6v23MwcQ6ktVWzvBJ oM7ATQRbvLuiAQgAyood0Pd96wzY+GQPBYQUNkZZgYL8Di3AzyC94dFe4d/Mt/h4rIBUnFwA g7Ha05WGdW0V5A/RRxDcpwXL9Jf97hiQ5PI2hiAxNEz/DkAUafiGlPfwR5wKqysUyRiKJQ2o ctpvssdsoXXOgeLo1jA6ghda1jg/spjlsPlS5ZTpKx3GWuTybV/VDhmwKWZfGUzPBJeAgDTf BdW4PTFs1IvvC2KBlhnPgcLBUtTlAdXOEj4DLuXw+Fn7K/ckZdOn3aRANmE+wf4+f+UUgtLB NmbP7ZifyUX5RyddsnI+fZmtsUDHxCReNIWQ6TBUJmb21aoBIN6HEHJbY28ZSCmf5owuMwAR AQABwsB8BBgBCgAmFiEE+Gq3PsPeLT4tL/9wk4vgf7Eq4WwFAlu8u6ICGwwFCQWjmoAACgkQ k4vgf7Eq4WyA3AgAqgGTHKMVAS2WuNGuW9uI+YtY6ZbwmGG94fkOZbefgRSfO5Am+HSblA95 IdotvQa8VkFmvVjbnvaM8XmJG5H17m0GF3sVaJUbJ4euDnRrBPCr6KwRQQd83Svxkbdicvo7 J031FrkJZW8zD9DH4QgzJNTKPFrwx9v3DhD/8iyn9tGvnHepy7O24nY5hl6PacrgSgLVeir/ lUbueAC/gP1AWLv3gdw7b83J7rftWauimj/vpFMD8CDSyJNODgQ8DdM0TU4qjABWGMs9r2Rw QehNbYf5f/2QuW/Q5NGaRSNW2HS/cpp62XtTKmxj5wwk6EMbtNE/6WQpumfdmK2UGLjcJQ== Message-ID: <27f7681e-7870-ae21-0563-2f31e58d1603@yuripv.net> Date: Tue, 23 Oct 2018 16:48:15 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <5bbf4ebe-c62a-3c6d-617f-d1c832d87cf5@FreeBSD.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Oct 2018 13:48:26 -0000 Lev Serebryakov wrote: > On 22.10.2018 23:50, Ryan Stone wrote: > >> Adding -fno-optimize-sibling-calls to the compiler flags will eliminate the TCO. > How could I add it for kernel properly?! Adding > "CFLAGS=-fno-optimize-sibling-calls" to make.conf affects modules build, > but not kernel itself (I'm surprised, to be honest). Try using: COPTFLAGS+= -fno-optimize-sibling-calls