# Test consumes negative time?

**URL:** <https://www.ruby-forum.com/t/test-consumes-negative-time/191237>\
**Category:** Development\
**Created:** [July 7, 2010, 11:22pm UTC](https://www.ruby-forum.com/t/test-consumes-negative-time/191237 "2010-07-07T23:22:50Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [July 7, 2010, 11:22pm UTC](https://www.ruby-forum.com/t/test-consumes-negative-time/191237/1 "2010-07-07T23:22:50Z")

</div>

boron e$B$G$d$C$F$$$ke(B test-all  
e$B$G!“FMG!!“8D!9$N%F%9%H$N7P2a;~4V$,%^%$%J%9$K$J$ke(B  
e$B$3$H$,$”$k$h$&$K$J$C$?$s$G$9$,!”$J$K$+;W$$Ev$?$k$R$H$O$$$^$9$G$7$g$&$+!#e(B

[http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.diff.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.diff.txt.gz)  
[http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.log.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.log.txt.gz)

% wget  
[http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.log.txt.gz](http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20100707T184459.log.txt.gz)  
% zgrep ‘: -’ 20100707T184459.log.txt.gz|grep -ve ‘-0.00’  
IMAPTest#test\_idle: -0.49 s: .  
Rake::TestFileUtils#test\_ruby\_with\_multiple\_arguments: -0.16 s: .  
Rake::TestFileUtils#test\_sh\_failure: -0.65 s: .  
Rake::TestFileUtils#test\_sh\_with\_a\_single\_string\_argument: -0.65 s: .  
Syck::YAMLStoreTest#test\_opening\_new\_file\_in\_readonly\_mode\_should\_result\_in\_empty\_values:  
-0.84 s: .  
TestArgf#test\_closed: -0.65 s: .  
TestArgf#test\_each\_line: -0.65 s: .  
TestArgf#test\_lineno: -0.35 s: .  
…

e$B$J$\*!“B?$/$Oe(B -0.00  
e$BIC$G$9$,!”$$$^$^$G$OIiId9f$,$D$/$3$H\<+BN$J$+$C$?$H;W$$$^$9!#e(B

% zgrep ‘: -’ 20100707T184459.log.txt.gz  
CGICoreTest#test\_cgi\_core\_environs: -0.00 s: .  
CGIMultipartTest#test\_cgi\_multipart\_quoteboundary: -0.00 s: .  
CGIMultipartTest#test\_cgi\_multipart\_stringio: -0.00 s: .  
CGIMultipartTest#test\_cgi\_multipart\_tempfile: -0.00 s: .  
CGISessionTest#test\_cgi\_session\_filestore: -0.00 s: .  
CGISessionTest#test\_cgi\_session\_specify\_session\_id: -0.00 s: .  
CGISessionTest#test\_cgi\_session\_specify\_session\_key: -0.00 s: .  
CGIUtilTest#test\_cgi\_escape: -0.00 s: .  
Complex\_Test#test\_compsub: -0.00 s: .  
Complex\_Test#test\_eql\_p: -0.00 s: .  
Complex\_Test#test\_negate: -0.00 s: .  
Complex\_Test#test\_polar: -0.00 s: .  
…

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [July 8, 2010, 8:20am UTC](https://www.ruby-forum.com/t/test-consumes-negative-time/191237/2 "2010-07-08T08:20:04Z")

</div>

2010e$BG/e(B7e$B7ne(B8e$BF|e(B6:22 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> boron e$B$G$d$C$F$$$ke(B test-all e$B$G!“FMG!!“8D!9$N%F%9%H$N7P2a;~4V$,%^%$%J%9$K$J$ke(B  
> e$B$3$H$,$”$k$h$&$K$J$C$?$s$G$9$,!”$J$K$+;W$$Ev$?$k$R$H$O$$$^$9$G$7$g$&$+!#e(B

e$B$&$%$`!#8=:\_e(B boron e$B$O;~7W$,$H$F$bIT;W5D$J\>uBV$N$h$&$G$9$M!#e(B

boron% repeat 10 date +%T.%N  
15:12:01.042327000  
15:12:01.853845000  
15:12:01.042325000  
15:12:01.042325000  
15:12:01.273187000  
15:12:01.042323000  
15:12:01.273185000  
15:12:01.273185000  
15:12:01.853838000  
15:12:01.853836000  
boron% uname -a  
Linux boron 2.6.18-6-xen-686 #1 SMP Thu Nov 5 19:54:42 UTC 2009 i686  
GNU/Linux

e$B$3$N$h$&$K!“;~9o$,AL$k$3$H$,$”$k$H$$$&$3$H$G$"$l$P!"7P2a;~4V$,%^%$%J%9$K$J$ke(B  
e$B$H$$$&$N$bG\<F@$G$9!#e(B

e$B$J$\*!"$3$N7k2Le(B (e$B$@$H;W$$$^$9$,e(B) sleep 0.1 e$B$re(B  
10e$B2s$Ge(B 7e$BIC0J\>e$+$+$k$H$$$C$?e(B  
e$B\>I\>u$b$\_$i$l$^$9!#e(B

boron% time ./ruby -e ‘10.times { sleep 0.1 }’  
./ruby -e ‘10.times { sleep 0.1 }’ 0.01s user 0.00s system 0% cpu 7.578  
total  
boron% ./ruby -v  
ruby 1.9.3dev (2010-07-08 trunk 28574) [i686-linux]

e$B$?$@e(B Ruby 1.8  
e$B$O$3$NE@$K$D$$$F$OBQ@-$,$“$k$h$&$G!”;~7W$KOG$o$5$l$J$$$h$&$G$9!#e(B

boron% time ./ruby -e ‘10.times { sleep 0.1 }’  
./ruby -e ‘10.times { sleep 0.1 }’ 0.00s user 0.00s system 0% cpu 1.000  
total  
boron% ./ruby -v  
ruby 1.8.8dev (2010-07-07) [i686-linux]

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [July 8, 2010, 9:52am UTC](https://www.ruby-forum.com/t/test-consumes-negative-time/191237/3 "2010-07-08T09:52:34Z")

</div>

e$B@\>;3OB9-$G$9!#e(B

At Thu, 8 Jul 2010 06:22:18 +0900,  
Tanaka A. wrote:

> boron e$B$G$d$C$F$$$ke(B test-all e$B$G!“FMG!!“8D!9$N%F%9%H$N7P2a;~4V$,%^%$%J%9$K$J$ke(B  
> e$B$3$H$,$”$k$h$&$K$J$C$?$s$G$9$,!”$J$K$+;W$$Ev$?$k$R$H$O$$$^$9$G$7$g$&$+!#e(B

xene$B$Ne(BDomUe$B$N4D6-$N$h$&$J$N$G!“e(BDom0e$B$NJ}$Ge(Bntpde$B$rF0$+$7$F;~7W$r$”$o$;$k$h$&$K$7$Fe(B  
DomUe$B$NJ}$Oe(Bxene$B$Ne(Bcfge$B%U%!%$%k$Ne(Bextrae$B$G!Ve(Bclock=jiffiese$B!W$H$$$&@\_Dj$rDI2C$9$l$Pe(B  
e$BNI$$$N$G$O$J$$$G$7$g$&$+!#e(B

kazu@boron:~$ ls /proc/sys/xen  
independent\_wallclock permitted\_clock\_jitter  
kazu@boron:~$ cat /proc/cmdline  
root=/dev/sda2 ro xencons=tty console=tty1  
kazu@boron:~$