Date: Wed, 20 May 2015 16:35:01 +0000 (UTC) From: John Marino <marino@FreeBSD.org> To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r386863 - head/Tools/scripts Message-ID: <201505201635.t4KGZ1NX066311@svn.freebsd.org>
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Author: marino Date: Wed May 20 16:35:00 2015 New Revision: 386863 URL: https://svnweb.freebsd.org/changeset/ports/386863 Log: Tools/scripts: Add size offenders report generator This is the script that generated the "20 ports account for X% of the Ports collection by size" report. This shells script is useful to identify obscenely large ports: top-size-offenders.sh Added: head/Tools/scripts/top-size-offenders.sh (contents, props changed) Added: head/Tools/scripts/top-size-offenders.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/Tools/scripts/top-size-offenders.sh Wed May 20 16:35:00 2015 (r386863) @@ -0,0 +1,46 @@ +#!/bin/sh +# +# This script produces a report like this: +# +# Combined size of ports: 510.5 Mb +# The Top 20 ports by size account for 15.14% of the collection +# ==================================================================== +# [snipped 15 rows] +# 0.37% 1.87Mb security/cracklib +# 0.66% 3.38Mb security/vuxml +# 0.87% 4.42Mb print/texlive-texmf +# 2.82% 14.41Mb java/openjdk7 +# 6.79% 34.66Mb java/openjdk8 +# ==================================================================== +# 15.14% 77.29Mb +# +# Written by John Marino <marino@FreeBSD.org> one rainy day just because ... +# + +TOP=20 +DUK="du -kd 1 -t 200k [a-z]*" +DASH="=======================================================================" +SCRATCH=/tmp/topX + +AWKCMD1='BEGIN { FS="/"; }{ if (NF == 2) { print $0; }}' +AWKCMD2='BEGIN { total=0; } { total = total + $1 } END { print total }' +AWKCMD3='{ pc=100.0*$1/total; mega=$1/1024.0; \ + printf("%5.2f%% %5.2fMb %s\n", pc, mega, $2)}' + +cd /usr/ports && ${DUK} | awk "${AWKCMD1}" | sort -n | tail -n ${TOP} \ + > ${SCRATCH} + +total=$(du -sk /usr/ports/[a-z]* | awk "${AWKCMD2}") +outlaws=$(awk "${AWKCMD2}" ${SCRATCH}) +megabytes=$(bc -e "scale = 2; ${total} / 1024" -e quit) +bloat=$(bc -e "scale = 2; ${outlaws} / 1024" -e quit) +PC=$(bc -e "scale = 2; 100 * ${outlaws} / ${total}" -e quit) + +printf "Combined size of ports: %1.1f Mb\n" ${megabytes} +printf "The Top %d ports by size account for %1.2f%% of the collection\n" \ + ${TOP} ${PC} +echo ${DASH} +awk -v total=${total} "${AWKCMD3}" ${SCRATCH} +echo ${DASH} +printf "%5.2f%% %5.2fMb\n" ${PC} ${bloat} +rm ${SCRATCH}
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