From owner-freebsd-stable@freebsd.org Mon Nov 26 07:04:00 2018 Return-Path: Delivered-To: freebsd-stable@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 6F8A6114FA84 for ; Mon, 26 Nov 2018 07:04:00 +0000 (UTC) (envelope-from miltonott@fastmail.com) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (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 50F9D8A3A8 for ; Mon, 26 Nov 2018 07:03:58 +0000 (UTC) (envelope-from miltonott@fastmail.com) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id E2E5221C1B for ; Mon, 26 Nov 2018 02:03:55 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Mon, 26 Nov 2018 02:03:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastmail.com; h= date:from:message-id:to:subject:in-reply-to:references; s=fm1; bh=S+EOmt0vUk/1bNLpiiTg0iDZAud5gLzbv+Phj9t0ipg=; b=BTM8keVYUp6j XiuMcF2dIteAgth/rB28CfCsjvd/tzM6zgmA+mqP049l5IKRF9yf74VDhGrOqyp8 SxMaxY0LzeqTdXyW2rRKCDCmGIvj+qCisEYhb210YzlLFR7tgy8fKXkbFJ0w2lmM 6G0oLKLuwcy6m8LVdBgYwgLZEy9MgA0KqC8SRMMZaYgRKuC1GpG/2BSC4DcZlVq5 M9XLkAEplXwP2PxlbVJhWyBs5eCB4UrPOU+EaShqoN6oT/vjrqwIg8WCfwP7Ld12 2KmlFR6pyFnE68s3OShOIxPFzoj866Kd6GEXdIKi3nTvT4kl+Meh+DtoLbUPFVT6 TsoAKi9lMA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:in-reply-to:message-id :references:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; bh=S+EOmt0vUk/1bNLpiiTg0iDZAud5g Lzbv+Phj9t0ipg=; b=AYDvGtEUvHursi5SKmRLTTL2MgdUxO+w9kF6m0DIGFTgD CuM1vgfq0hBRMLdHd+sdvBc2Vi+GgJvJWC1JA2Tmgsv55zlMmTYjbIwecavUcxA2 84N7kNYRgNvbAOyIED2Ffip/k1kUliwak+nCIyAhu7NXots6fP3xTwYGRZCrenlf WC8UdsNehPu8FskwPe06E591zM0JcuaooSgyRFmPWZ1Siw12UsCTdW7uJTa67kIF JTvWgkDLDlrRjqH5l8LUjdQZrTVj3vI7dxk3FXXniYou5Gi4q/y3D0eWU+GxXxGo 3zLoNu08tnzSss8Cm9C3R3x8OYqu/KSuqtpnaOSiQ== X-ME-Sender: X-ME-Proxy: Received: from euler.miltonslab.com (unknown [1.123.130.80]) by mail.messagingengine.com (Postfix) with ESMTPA id CD128E4938 for ; Mon, 26 Nov 2018 02:03:54 -0500 (EST) Received: (from root@localhost) by euler.miltonslab.com (8.15.2/8.15.2) id wAQ73odJ001708; Mon, 26 Nov 2018 07:03:50 GMT (envelope-from miltonott) Date: Mon, 26 Nov 2018 07:03:50 GMT From: miltonott Message-Id: <201811260703.wAQ73odJ001708@euler.miltonslab.com> To: freebsd-stable@freebsd.org Subject: bsdtar: xz threads support disabled In-Reply-To: a257cd4d-7d8f-2b7a-4fd8-5440544eaee7@gmx.net References: a257cd4d-7d8f-2b7a-4fd8-5440544eaee7@gmx.net X-Rspamd-Queue-Id: 50F9D8A3A8 X-Spamd-Result: default: False [-7.64 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[fastmail.com,messagingengine.com]; RCVD_COUNT_FIVE(0.00)[5]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.28]; FREEMAIL_FROM(0.00)[fastmail.com]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; TO_DN_NONE(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; IP_SCORE(-3.55)[ip: (-9.25), ipnet: 66.111.4.0/24(-4.52), asn: 11403(-3.88), country: US(-0.09)]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[fastmail.com:+,messagingengine.com:+]; DMARC_POLICY_ALLOW(-0.50)[fastmail.com,none]; MX_GOOD(-0.01)[in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com,in2-smtp.messagingengine.com,in1-smtp.messagingengine.com]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.977,0]; RCVD_IN_DNSWL_LOW(-0.10)[28.4.111.66.list.dnswl.org : 127.0.5.1]; RECEIVED_SPAMHAUS_PBL(0.00)[80.130.123.1.zen.spamhaus.org : 127.0.0.11]; FREEMAIL_ENVFROM(0.00)[fastmail.com]; ASN(0.00)[asn:11403, ipnet:66.111.4.0/24, country:US]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Nov 2018 07:04:00 -0000 on Sat Nov 24 08:47:18 UTC 2018 Stefan wrote: > Is there any reason why bsdtar is built without XZ multi-threading support? > It's not documented in the man page, so maybe it's an experimental feature. > Can be tested with this command: > tar -Jcf /dev/null --options xz:threads=4 $HOME > After setting HAVE_LZMA_STREAM_ENCODER_MT, it works as expected: My lord, indeed. A careful inspector you are. This speciality makes an appearance in ports libachive but not libarchive in base. I bet you already had this intuition all along. $ /usr/local/bin/bsdtar cpJ --options xz:threads=2 -f /dev/null temp & $ ps -o pid,user,args -H $! PID USER COMMAND 1655 miltonott /usr/local/bin/bsdtar cpJ --options xz:threads=2 -f /dev/null temp 1655 miltonott /usr/local/bin/bsdtar cpJ --options xz:threads=2 -f /dev/null temp 1655 miltonott /usr/local/bin/bsdtar cpJ --options xz:threads=2 -f /dev/null temp Bah, now I need to research why I see three and not two.