HTTP/2 302 server: nginx date: Wed, 16 Jul 2025 21:16:47 GMT content-type: text/plain; charset=utf-8 content-length: 0 x-archive-redirect-reason: found capture at 20090210083352 location: https://web.archive.org/web/20090210083352/https://examples.oreilly.com/upt2/split/runtime server-timing: captures_list;dur=0.781004, exclusion.robots;dur=0.061895, exclusion.robots.policy;dur=0.047425, esindex;dur=0.012627, cdx.remote;dur=109.103080, LoadShardBlock;dur=562.311923, PetaboxLoader3.datanode;dur=226.415801 x-app-server: wwwb-app200 x-ts: 302 x-tr: 703 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 set-cookie: SERVER=wwwb-app200; path=/ x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() HTTP/2 200 server: nginx date: Wed, 16 Jul 2025 21:16:48 GMT content-type: text/plain content-length: 3103 x-archive-orig-date: Tue, 10 Feb 2009 08:33:52 GMT x-archive-orig-server: Apache x-archive-orig-last-modified: Mon, 31 Mar 2008 18:10:12 GMT x-archive-orig-etag: "b0a866-c1f-90194900" x-archive-orig-accept-ranges: bytes x-archive-orig-content-length: 3103 x-archive-orig-connection: close cache-control: max-age=1800 x-archive-guessed-content-type: text/plain x-archive-guessed-charset: utf-8 memento-datetime: Tue, 10 Feb 2009 08:33:52 GMT link: ; rel="original", ; rel="timemap"; type="application/link-format", ; rel="timegate", ; rel="first memento"; datetime="Mon, 19 Aug 2002 08:59:27 GMT", ; rel="prev memento"; datetime="Sun, 18 May 2008 20:47:08 GMT", ; rel="memento"; datetime="Tue, 10 Feb 2009 08:33:52 GMT", ; rel="next memento"; datetime="Wed, 30 Sep 2015 16:45:28 GMT", ; rel="last memento"; datetime="Fri, 25 Mar 2016 03:27:12 GMT" content-security-policy: default-src 'self' 'unsafe-eval' 'unsafe-inline' data: blob: archive.org web.archive.org web-static.archive.org wayback-api.archive.org athena.archive.org analytics.archive.org pragma.archivelab.org wwwb-events.archive.org x-archive-src: 52_8_20090210075601_crawl103-c/52_8_20090210083255_crawl100.arc.gz server-timing: captures_list;dur=0.565853, exclusion.robots;dur=0.023491, exclusion.robots.policy;dur=0.014188, esindex;dur=0.011619, cdx.remote;dur=74.092620, LoadShardBlock;dur=172.083450, PetaboxLoader3.datanode;dur=287.303135, load_resource;dur=209.667864, PetaboxLoader3.resolve;dur=79.518231 x-app-server: wwwb-app200 x-ts: 200 x-tr: 488 server-timing: TR;dur=0,Tw;dur=0,Tc;dur=1 x-location: All x-rl: 0 x-na: 0 x-page-cache: MISS server-timing: MISS x-nid: DigitalOcean referrer-policy: no-referrer-when-downgrade permissions-policy: interest-cohort=() accept-ranges: bytes #! /bin/csh -f # ### runtime - run program repetitively and output time-usage statistics ### Usage: runtime -n program_name [options_and_arguments] & ## ## runtime RUNS A PROGRAM, OVER AND OVER AGAIN, COLLECTING ## DATA ABOUT THE TIME IT TAKES TO RUN. runtime OUTPUTS ## A LIST OF THE INDIVIDUAL (C-SHELL) time RESULTS FOR EACH ## PROGRAM EXECUTION, PLUS A TOTAL AND AVERAGE. ## ## THE -n OPTION IS REQUIRED; IT'S THE NUMBER OF TIMES TO RUN THE ## program_name. FOR EXAMPLE, ## % runtime -25 testprog ## WILL RUN testprog 25 TIMES. ## ## IF THE STRING TO EXECUTE HAS ANY SPECIAL CHARACTERS THAT THE SHELL ## SHOULDN'T INTERPRET UNTIL EXECUTION, QUOTE THE STRING OR USE BACKSLASHES. ## NOTE THAT THE QUOTED STRING CAN'T HAVE ANY REDIRECTION IN IT; THAT'S ## BECAUSE runtime DOES SOME REDIRECTION OF ITS OWN. set temp=/tmp/$$RUNTIME set stat=1 # EXIT STATUS ON ERROR (SET TO 0 BEFORE NORMAL EXIT) onintr cleanup set count=`expr "$1" : '-\([0-9]*\)'` # REMOVE LEADING DASH # TEST FOR CORRECT SYNTAX OF $1 AND CORRECT NUMBER OF ARGUMENTS: if ( ("$count" !~ [0-9]*) || ($#argv < 2) ) then echo "Usage: `basename $0` -number_of_times command_line_to_run" exit 1 endif # BUILD TEST FILE (/tmp/$$RUNTIME1): echo set time >! ${temp}1 repeat $count echo "$argv[2-] >& /dev/null" >> ${temp}1 # RUN TEST FILE AND STORE RESULTS IN /tmp/$$RUNTIME2: set starttime=`date` /bin/csh -f < ${temp}1 >& ${temp}2 set endtime=`date` # CHOP FIELDS FROM /tmp/$$RUNTIME2 AND PUT INTO /tmp/$$RUNTIME3; # sed DOES CHOPPING AND tr CHANGES COLON IN FIELD 3 TO A SPACE. # (TYPICAL LINE IN FILE 2: "0.5u 1.7s 0:04 53% 12+7k 13+17io 20pf+0w") # (TYPICAL LINE IN FILE 3: "0.5 1.7 0 04 12 7 13 17 20 0") sed -e 's/\(.*\..\)u \(.*\..\)s \(.*:.*\) .*% \(.*\)+\(.*\)k \(.*\)+\(.*\)io \(.*\)pf+\(.*\)w/\1 \2 \3 \4 \5 \6 \7 \8 \9/' \ -e 's/:/ /g' ${temp}2 > ${temp}3 # PRINT HEADER AND INDIVIDUAL RESULTS: cat << ENDOFTHIS runtime summary -- $count runs of % $argv[2-] (working directory = $cwd) First run started at: $starttime Last run finished at: $endtime ----------------------------------------------- RUN # ***INDIVIDUAL RESULTS*** `cat -n ${temp}2` ENDOFTHIS # PRINT AVERAGES (AND A BLANK LINE AFTER THEM): awk '{ \ field[1] += $1 \ field[2] += $2 \ # CONVERT SECONDS ($4) TO DECIMAL MINUTES, THEN ADD TO MINUTES ($3):\ field[3] += ($3 + $4/60) \ # ADD $5 TO field[4], $6 TO field[5], etc... \ for (i = 5; i <= 10; i++) \ field[i - 1] += $i \ } \ END { \ print "AVERAGES:" \ printf "%5.2fu ", field[1]/NR \ printf "%5.2fs ", field[2]/NR \ temp = int(field[3]/NR) \ printf "%d:%02d ", temp, (field[3]/NR - temp) * 60 \ printf "%d+%dk ", field[4]/NR, field[5]/NR \ printf "%d+%dio ", field[6]/NR, field[7]/NR \ printf "%dpf+%dw ", field[8]/NR, field[9]/NR \ printf "\n\n" \ }' ${temp}3 set stat=0 # IF GET HERE, WE'RE ABOUT DONE; SET STATUS FOR NORMAL EXIT cleanup: rm -f "$temp"{1,2,3} exit $stat