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26 Commits

Author SHA1 Message Date
Pedro F. Giffuni
7e8dfdf113 ministat(1): replace malloc + memset with calloc. 
Reviewed by:	phk
 2015-02-17 23:20:19 +00:00
Baptiste Daroussin
3e11bd9e2a Convert to usr.bin/ to LIBADD 
Reduce overlinking
 2014-11-25 14:29:10 +00:00
Poul-Henning Kamp
b0cba3367e Make ministat CRNL tolerant by stripping all isspace() from the tail 
end of input lines.
 2014-03-12 08:54:29 +00:00
Eitan Adler
aa374634b4 Add option to suppress just the plot in ministat while still retaining 
the relative comparison (i.e., useful part).

Approved by:	cperciva
MFC after:	3 days
 2012-11-15 15:06:12 +00:00
Eitan Adler
50d675f7a9 Remove trailing whitespace per mdoc lint warning 
Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days
 2012-03-29 05:02:12 +00:00
Ed Schouten
23f01dcfd1 Add missing static keywords to ministat(1) 2011-11-06 08:16:11 +00:00
Gavin Atkinson
16596b221d Make the second example command more closely match the demo output, and as 
a side effect more clearly show the change in command lines between the
first and second example invocations.
 2010-06-27 23:11:35 +00:00
David Malone
e8c2f0b3aa Fix some warns - mainly signedness and unused variables. 2009-03-17 19:37:47 +00:00
Poul-Henning Kamp
65a9b18218 Free old arrays if we increase them. 
Pointed out by:	mlaier
 2008-10-16 20:56:09 +00:00
Poul-Henning Kamp
c4f431a628 Make ministat(1) vastly faster on huge datasets. 2008-10-16 20:39:02 +00:00
Peter Wemm
d60522eb39 Fix apparent typo. The permitted confidence values include 95%, not 85%. 2008-03-12 00:13:49 +00:00
David Malone
84eebcc257 WARNS fixes: remove two unused variables and add some constness. 2008-02-08 10:58:50 +00:00
Poul-Henning Kamp
8f2c52e6fb Pull ministat into the installed system and write it a man-page. 
(Repocopied from src/tools/tools/ministat)
 2007-12-20 10:17:07 +00:00
Poul-Henning Kamp
fd0232603d Improve input parsing: 
Add "-C <column>" and "-d <delims>" options to chop up input lines.

Make '#' a comment character, rest of line is ignored.

Submitted by: Dmitry Morozovsky <marck@rinet.ru>
 2006-08-28 08:27:02 +00:00
Poul-Henning Kamp
5f72b6ac80 Avoid coredumps if stddev cannot be computed (if all datapoints are identical) 
Small cleanup of label printing.
 2006-05-02 07:34:38 +00:00
Wojciech A. Koszek
d2f4defee2 Fix the way in which median is calculated. If the data source has even 
number of data points, value should be calculated by adding two middle
elements and dividing them by 2.

Approved by:	cognet (mentor)
 2006-02-23 20:46:10 +00:00
Matthew N. Dodd
c153cdd1b8 Add option -w to specify graph width. 
Use COLUMNS, terminal width for default graph width.

Reviewed by:	 rwatson
 2006-02-22 04:10:20 +00:00
Poul-Henning Kamp
4a7f3dcea5 In 2003, a -s flag was added to ministat to separate the 
avg/median/stddev bars onto separate lines for readability if the
ranges overlapped.  In 2005, ministat was extended to support more than
2 datasets, but the -s code was not updated.  It will coredump if run
with -s and >2 sets.

PR:	82909
Submitted by:	Dan Nelson <dnelson@allantgroup.com>
 2005-07-21 08:32:56 +00:00
Robert Watson
cd05b0f7a1 dd a '-n' option to ministat, which causes it to display only summary 
statistics, not graph and statistical test output.  Useful for automated
processing.
 2005-05-27 17:52:56 +00:00
Matthew N. Dodd
afe98543b8 Add support for more than two datasets. Currently limited to 7 though 
the limit is only the number of meaningful graph symbols available.

Statistical comparison is performed between the first dataset and
any further datasets.

No objection by:	 phk
 2005-04-13 05:50:56 +00:00
Ruslan Ermilov
e653b48c80 Start the dreaded NOFOO -> NO_FOO conversion. 
OK'ed by:	core
 2004-12-21 08:47:35 +00:00
Ruslan Ermilov
a35d88931c For variables that are only checked with defined(), don't provide 
any fake value.
 2004-10-24 15:33:08 +00:00
Ruslan Ermilov
b77a54a688 Added missing DPADD. 2004-02-05 22:01:28 +00:00
Poul-Henning Kamp
573e036e31 Attached is a small patch to ministat that separates the 
avg/median/stddev bars onto two lines.  Useful for datasets that
overlap.

Submitted by:    Dan Nelson <dnelson@allantgroup.com>
 2003-10-31 13:25:43 +00:00
Poul-Henning Kamp
a21af19141 In case of zero span data supress the histogram plot. 2003-08-18 11:13:19 +00:00
Poul-Henning Kamp
3b9b37bd54 A small statistics tool for gauging the statistical significance 
of data from benchmarks etc.  Implements "Student's t" for various
confidence levels, defaults to 95%.

If your benchmarks are not significant at the 95% confidence level,
we don't want to hear about it.
 2003-08-13 07:21:54 +00:00