On 8/3/2011 9:44 AM, texas salsa wrote:
Hello there,
I use Cygwin to do some complex text processing jobs using shell scripts on
Thinkpad X200s Windows XP sp3. It had worked fine before but at some point I
noticed the job started to take much time to complete. It is taking about ten
times period compare to before. I don't know what had triggered this exactly.
$ while true ;do /usr/bin/date ;done|uniq -c
1 Wed Aug 3 16:21:05 2011
1 Wed Aug 3 16:21:06 2011
1 Wed Aug 3 16:21:08 2011
1 Wed Aug 3 16:21:09 2011
1 Wed Aug 3 16:21:10 2011
2 Wed Aug 3 16:21:11 2011
1 Wed Aug 3 16:21:12 2011
$ time date
Wed Aug 3 16:23:19 2011
real 0m0.905s
user 0m0.077s
sys 0m0.562s
$ uname -a
CYGWIN_NT-5.1 IBM-8DE0336DAA4 1.7.9(0.237/5/3) 2011-03-29 10:10 i686 Cygwin
So one command take about 1 sec to complete. On other machines with similar
configuration the above testing shows about 10 forks/sec on average.
similar machine T410 with XP SP3
using latest snapshots
$ while true ;do /usr/bin/date ;done|uniq -c
51 Wed Aug 3 10:23:36 WEDT 2011
50 Wed Aug 3 10:23:37 WEDT 2011
50 Wed Aug 3 10:23:38 WEDT 2011
51 Wed Aug 3 10:23:39 WEDT 2011
51 Wed Aug 3 10:23:40 WEDT 2011
$ time date
Wed Aug 3 10:29:58 WEDT 2011
real 0m0.016s
user 0m0.030s
sys 0m0.000s
Yuta
possible cause: bash-completion installed or BLODA (mainly antivirus)
Regards
Marco
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