From owner-svn-src-head@freebsd.org Tue Feb 19 20:26:05 2019 Return-Path: Delivered-To: svn-src-head@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 D58C014D70B8; Tue, 19 Feb 2019 20:26:04 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6EB6E71FF3; Tue, 19 Feb 2019 20:26:04 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 5D80D22E95; Tue, 19 Feb 2019 20:26:04 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1JKQ4A5080779; Tue, 19 Feb 2019 20:26:04 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1JKQ4Kn080778; Tue, 19 Feb 2019 20:26:04 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201902192026.x1JKQ4Kn080778@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Tue, 19 Feb 2019 20:26:04 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344303 - head/usr.bin/mkuzip X-SVN-Group: head X-SVN-Commit-Author: kib X-SVN-Commit-Paths: head/usr.bin/mkuzip X-SVN-Commit-Revision: 344303 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 6EB6E71FF3 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.962,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Feb 2019 20:26:05 -0000 Author: kib Date: Tue Feb 19 20:26:03 2019 New Revision: 344303 URL: https://svnweb.freebsd.org/changeset/base/344303 Log: Minor cleanup for mkuzip(8) man page. List all single-letter options in summary. Order options alphabetically. Sponsored by: Mellanox Technologies MFC after: 3 days Modified: head/usr.bin/mkuzip/mkuzip.8 Modified: head/usr.bin/mkuzip/mkuzip.8 ============================================================================== --- head/usr.bin/mkuzip/mkuzip.8 Tue Feb 19 20:12:12 2019 (r344302) +++ head/usr.bin/mkuzip/mkuzip.8 Tue Feb 19 20:26:03 2019 (r344303) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 17, 2006 +.Dd February 19, 2019 .Dt MKUZIP 8 .Os .Sh NAME @@ -35,10 +35,10 @@ class .Sh SYNOPSIS .Nm -.Op Fl v +.Op Fl dLSsvZ +.Op Fl j Ar compression_jobs .Op Fl o Ar outfile .Op Fl s Ar cluster_size -.Op Fl j Ar compression_jobs .Ar infile .Sh DESCRIPTION The @@ -68,6 +68,33 @@ locating each individual cluster is written to the out .Pp The options are: .Bl -tag -width indent +.It Fl j Ar compression_jobs +Specify the number of compression jobs that +.Nm +runs in parallel to speed up compression. +When option is not specified the number of jobs set to be equal +to the value of +.Va hw.ncpu +.Xr sysctl 8 +variable. +.It Fl d +Enable de-duplication. +When the option is enabled the +.Nm +detects identical blocks in the input and replaces each subsequent occurence +of such block with pointer to the very first one in the output. +Setting this option results is moderate decrease of compressed image size, +typically around 3-5% of a final size of the compressed image. +.It Fl L +Use +.Xr lzma 3 +compression algorithm instead of the default +.Xr zlib 3 . +The +.Xr lzma 3 +provides noticeable better compression levels on the same data set +at the expense of much slower compression speed (10-20x) and somewhat slower +decompression (2-3x). .It Fl o Ar outfile Name of the output file .Ar outfile . @@ -79,16 +106,9 @@ compression or .Pa .ulzma for the .Xr lzma 3 . -.It Fl L -Use -.Xr lzma 3 -compression algorithm instead of the default -.Xr zlib 3 . -The -.Xr lzma 3 -provides noticeable better compression levels on the same data set -at the expense of much slower compression speed (10-20x) and somewhat slower -decompression (2-3x). +.It Fl S +Print summary about the compression ratio as well as output +file size after file has been processed. .It Fl s Ar cluster_size Split the image into clusters of .Ar cluster_size @@ -111,26 +131,6 @@ Setting .Fl Z results is slight increase of compressed image size, typically less than 0.1% of a final size of the compressed image. -.It Fl d -Enable de-duplication. -When the option is enabled the -.Nm -detects identical blocks in the input and replaces each subsequent occurence -of such block with pointer to the very first one in the output. -Setting this option results is moderate decrease of compressed image size, -typically around 3-5% of a final size of the compressed image. -.It Fl S -Print summary about the compression ratio as well as output -file size after file has been processed. -.It Fl j Ar compression_jobs -Specify the number of compression jobs that -.Nm -runs in parallel to speed up compression. -When option is not specified the number of jobs set to be equal -to the value of -.Va hw.ncpu -.Xr sysctl 8 -variable. .El .Sh NOTES The compression ratio largely depends on the cluster size used.