oetiker [Wed, 2 Jan 2008 22:06:16 +0000 (22:06 +0000)]
ignore errors with txt doc building
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1260
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oetiker [Tue, 11 Dec 2007 23:41:21 +0000 (23:41 +0000)]
building the docs depends on the presence of pod2man ... which does not seem to be installed necessarily
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1255
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oetiker [Sat, 8 Dec 2007 22:15:22 +0000 (22:15 +0000)]
added shared library locations into the docs
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1253
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oetiker [Sat, 8 Dec 2007 21:35:51 +0000 (21:35 +0000)]
include stdlib since putenv is in there on solaris
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1252
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oetiker [Sat, 8 Dec 2007 16:57:04 +0000 (16:57 +0000)]
fixing solaris portability
* isinf and isnan definitions fixed
* check if rt must be linked
* ordering must be read write in getopt
* updated build instructions
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1251
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oetiker [Mon, 26 Nov 2007 20:12:11 +0000 (20:12 +0000)]
fix libdir for python build
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1247
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oetiker [Wed, 21 Nov 2007 10:51:48 +0000 (10:51 +0000)]
fixed NetBSD spelling
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oetiker [Wed, 21 Nov 2007 06:56:19 +0000 (06:56 +0000)]
define bsd source to get access to chroot
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oetiker [Wed, 21 Nov 2007 06:47:17 +0000 (06:47 +0000)]
make perlbuild more portable
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oetiker [Tue, 20 Nov 2007 22:22:31 +0000 (22:22 +0000)]
enable madvise defines in netbsd
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oetiker [Tue, 20 Nov 2007 00:08:20 +0000 (00:08 +0000)]
remove last traces of rrd_nan_inf.h
fix handling of min==max where min < 0
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1234
a5681a0c-68f1-0310-ab6d-
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oetiker [Thu, 15 Nov 2007 14:39:56 +0000 (14:39 +0000)]
re-indented files that have gone out of indent-style over the last few weeks
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oetiker [Thu, 15 Nov 2007 14:36:39 +0000 (14:36 +0000)]
integrate rrd_nan_inf header
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1227
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oetiker [Thu, 15 Nov 2007 14:35:15 +0000 (14:35 +0000)]
Improve layout of documentation. -- Bernhard Fischer
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oetiker [Thu, 15 Nov 2007 14:34:14 +0000 (14:34 +0000)]
* rrd_update(): Unify error path.
* parse_template(): Likewise.
* allocate_data_structures(): Make error strings use consistent punctuation.
-- bernhard fischer
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oetiker [Thu, 15 Nov 2007 14:32:37 +0000 (14:32 +0000)]
make sure this compiles with aix
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oetiker [Thu, 8 Nov 2007 10:16:27 +0000 (10:16 +0000)]
fixed start end time in ruby fetch and added step size -- Mike Perham mperham gmail
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oetiker [Tue, 6 Nov 2007 21:27:52 +0000 (21:27 +0000)]
updated build instructions
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1211
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oetiker [Sun, 4 Nov 2007 21:56:19 +0000 (21:56 +0000)]
handle errors properly ... in RRDp read call
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oetiker [Sun, 16 Sep 2007 15:35:11 +0000 (15:35 +0000)]
no reason to die when posixfadvise is not sucessful
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oetiker [Tue, 11 Sep 2007 06:28:15 +0000 (06:28 +0000)]
Allow to the the smoothing window size other thatn the default 5%.
-- Evan Miller emiller imvu.com
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oetiker [Tue, 11 Sep 2007 06:16:52 +0000 (06:16 +0000)]
added msync before unmap
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oetiker [Sat, 8 Sep 2007 05:23:23 +0000 (05:23 +0000)]
added STDEV aggregation function for VDEF. -- Patrick J Cherry patrick bytemark.co.uk
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oetiker [Fri, 7 Sep 2007 22:53:41 +0000 (22:53 +0000)]
a few leanups -- Bernhard Fischer
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oetiker [Thu, 6 Sep 2007 09:06:04 +0000 (09:06 +0000)]
added missing ;
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oetiker [Thu, 6 Sep 2007 08:42:22 +0000 (08:42 +0000)]
* mimic write() and read() even better -- Bernhard Fischer
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oetiker [Thu, 6 Sep 2007 08:40:36 +0000 (08:40 +0000)]
rrd_open.c (rrd_read): Mimicing read() behaviour for EOF case and NULL buffer case.
-- Bernhard Fischer
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oetiker [Sun, 2 Sep 2007 16:55:01 +0000 (16:55 +0000)]
fixed speling of horizon
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oetiker [Wed, 29 Aug 2007 06:43:16 +0000 (06:43 +0000)]
a better performance tester
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oetiker [Thu, 16 Aug 2007 07:31:53 +0000 (07:31 +0000)]
added holt winters example back into the examples documentation
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oetiker [Tue, 14 Aug 2007 21:59:31 +0000 (21:59 +0000)]
Fix for HoltWinters phase-shift bug described below.
When one or more primary data point times were missed, the SEASONAL and
DEVSEASONAL archives were marked as being up-to-date, so that they would not
be written to. It was correct not to write to these archives, but the code
failed to advance the pointers within the SEASONAL and DEVSEASONAL archives
so that future updates would go to the correct location in the archives.
Rather than mark these archives as up-to-date (by setting
rra_step_cnt[rra_idx] = 0), my patch allocates a new "skip_update" array
that is set to 1 for SEASONAL and DEVSEASONAL archives that have missed one
or more primary data points. When an RRA is written to, the cur_row pointer
advancement happens for all archives, but the skip_update array is checked
just before actually writing out the changes.
Please give it a whirl!
-- Evan Miller emiller imvu.com
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1192
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oetiker [Mon, 13 Aug 2007 20:06:10 +0000 (20:06 +0000)]
Refactored rrd_update code in preparation of finding the HW update
problem -- Evan Miller
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1191
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oetiker [Tue, 7 Aug 2007 15:02:08 +0000 (15:02 +0000)]
updated build instructions for 1.3
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1190
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oetiker [Fri, 3 Aug 2007 19:46:17 +0000 (19:46 +0000)]
prepare for the release of rrdtool-1.2.
99907080300
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oetiker [Fri, 3 Aug 2007 19:45:01 +0000 (19:45 +0000)]
remove some things we do not need anymore in 1.3
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oetiker [Fri, 3 Aug 2007 19:43:47 +0000 (19:43 +0000)]
prepare for the release of rrdtool-1.2.
99907080300
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oetiker [Fri, 3 Aug 2007 19:43:21 +0000 (19:43 +0000)]
prepare for 1.3 beta 1
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oetiker [Fri, 3 Aug 2007 19:26:41 +0000 (19:26 +0000)]
continue with the revision numbering
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oetiker [Fri, 3 Aug 2007 19:17:13 +0000 (19:17 +0000)]
added notes on pango inline formatting
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oetiker [Wed, 1 Aug 2007 15:29:09 +0000 (15:29 +0000)]
only release cairo stuff if we ever initialized it.
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oetiker [Wed, 1 Aug 2007 15:28:03 +0000 (15:28 +0000)]
fix for 64bit portability problem ... unsigned long is not int
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oetiker [Tue, 31 Jul 2007 04:53:04 +0000 (04:53 +0000)]
reindented
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oetiker [Wed, 25 Jul 2007 20:38:37 +0000 (20:38 +0000)]
fixed indenting
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oetiker [Wed, 25 Jul 2007 20:38:26 +0000 (20:38 +0000)]
make sure we check input even when the previous update was a 'U' ... and some indenting fixes
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oetiker [Sun, 22 Jul 2007 15:51:39 +0000 (15:51 +0000)]
new consolidation functions must be added last or this will break binary compatibility
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1169
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oetiker [Sun, 22 Jul 2007 15:50:21 +0000 (15:50 +0000)]
don't force data out ... let cache management do this
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oetiker [Sun, 22 Jul 2007 09:47:53 +0000 (09:47 +0000)]
Only create version 4 rrd files if the new holtwinters MHW.. CF is used.
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oetiker [Sat, 21 Jul 2007 19:55:00 +0000 (19:55 +0000)]
* remove some experimental code from rrd_open
* rrd_dontneed will release all data except for header blocks and RRA hot blocks
which are going to be updated withing 10 minutes.
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1166
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oetiker [Sat, 21 Jul 2007 19:53:52 +0000 (19:53 +0000)]
for now, do not release fetched data ... in the future we may call rrd_dontneed and let the users decied with an option
if they want to keep the data in cache ...
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oetiker [Sat, 21 Jul 2007 19:52:17 +0000 (19:52 +0000)]
the fonts are now taken from the system. we do not distribute them anympore
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1164
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oetiker [Sat, 21 Jul 2007 19:37:50 +0000 (19:37 +0000)]
not on update rrd version
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oetiker [Fri, 20 Jul 2007 22:20:18 +0000 (22:20 +0000)]
we have a new holtwinders aggregation fucntion, so we have a new version ...
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oetiker [Fri, 20 Jul 2007 22:19:53 +0000 (22:19 +0000)]
check for fadvise all the time
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oetiker [Fri, 20 Jul 2007 22:16:36 +0000 (22:16 +0000)]
better docs on the aggregate functions
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oetiker [Wed, 18 Jul 2007 22:02:18 +0000 (22:02 +0000)]
added note on locale
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oetiker [Wed, 18 Jul 2007 21:59:10 +0000 (21:59 +0000)]
some more piechart removed
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oetiker [Wed, 18 Jul 2007 21:47:26 +0000 (21:47 +0000)]
make sure all ascii to float parsing uses LC_NUMERIC = C so that we do not stuble on locales confusing the , with a .
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oetiker [Wed, 18 Jul 2007 00:30:49 +0000 (00:30 +0000)]
* rrd_open: rrd_close does not purge file from cache
* rrd_open: new function rrd_dontneed for purging un-needed pages from core
* rrd_open: in linux at least only fadivse DONTNEED has the power to purge
pages from cache, so letst call madvise as well as fadvise
* rrd_create: uses open/write/close now, flushes file to disk and keeps only hot pages in core
* rrd_update: keeps only hot pages in core
* configure enables FADVISE even when mmap is in use
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oetiker [Tue, 17 Jul 2007 21:46:00 +0000 (21:46 +0000)]
added comment on float cookie
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oetiker [Mon, 16 Jul 2007 06:37:07 +0000 (06:37 +0000)]
fix for fetch in ruby bindings and support for info added.
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oetiker [Thu, 12 Jul 2007 20:33:47 +0000 (20:33 +0000)]
improve wording
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oetiker [Thu, 12 Jul 2007 20:33:37 +0000 (20:33 +0000)]
fix tcl build settup
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oetiker [Wed, 11 Jul 2007 23:08:47 +0000 (23:08 +0000)]
usr rrd_free for freeing the rrd structs ... vito caputo
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oetiker [Thu, 5 Jul 2007 15:19:27 +0000 (15:19 +0000)]
prevent potential segfaults on boxes where time_t is not long
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oetiker [Mon, 18 Jun 2007 18:25:35 +0000 (18:25 +0000)]
fix indentation
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oetiker [Mon, 18 Jun 2007 16:05:07 +0000 (16:05 +0000)]
Bernhard Fischer:
- move several static struct option out of loops and makes them
non-static
- moves some functions from old-style definitions into new-style
definitions
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oetiker [Sat, 16 Jun 2007 23:20:23 +0000 (23:20 +0000)]
Bernhard is not Benrard
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oetiker [Fri, 15 Jun 2007 21:49:52 +0000 (21:49 +0000)]
notes on evans contribs
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oetiker [Fri, 15 Jun 2007 21:41:54 +0000 (21:41 +0000)]
rrdtool.spec from Jarod "redhat" Wilson
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oetiker [Fri, 15 Jun 2007 08:09:13 +0000 (08:09 +0000)]
updated contributors
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oetiker [Fri, 15 Jun 2007 08:01:04 +0000 (08:01 +0000)]
added note on TEXTALIGN
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oetiker [Fri, 15 Jun 2007 07:59:01 +0000 (07:59 +0000)]
There are two popular variants of the Holt-Winters forecasting method; RRDtool
supports the "additive" method, which means that seasonal variation is simply
added to the baseline. For our application, it would be more appropriate to use
the "multiplicative" Holt-Winters method, where seasonal variation is a
coefficient multiplied by the baseline. Quick example to illustrate the
difference: if the average doubles season-over-season, the additive method
would predict the delta between min and max to be constant, whereas the
multiplicative method would predict the delta to double as well.
Attached is a patch against trunk to support the multiplicative method. I've
done this with a new consolidation function, MHWPREDICT, which is essentially
interchangeable with HWPREDICT. There is a noticeable improvement in prediction
deviations for certain types of functions; the attachments show HWPREDICT and
MHWPREDICT predictions for a function with an x*sin(x) component.
Because HWPREDICT and MHWPREDICT differ only in their equations, I've factored
out their math into rrd_hw_math.c. The appropriate smoothing functions are
passed to the update functions in a container of function pointers, which are
called where appropriate. Thus the additive and multiplicative methods use the
same update functions, and the right equations are evaluated without having
flag checks everywhere. This approach, I think, makes the algorithms quite
clear, with minimal duplicate code.
I have moved update_hwpredict, update_seasonal, update_devpredict,
update_devseasonal, and update_failures into a separate file, rrd_hw_update.c,
with some slight refactoring related to rrd_hw_math.c. I ran some
regression tests against trunk to make sure I didn't break anything with
the existing HWPREDICT code.
MHWPREDICT uses the same deviation smoothing and failure detection algorithms
as HWPREDICT.
Some helpful references on the multiplicative Holt-Winters method:
http://www.it.iitb.ac.in/~praj/acads/seminar/04329008_ExponentialSmoothing.pdf
(a student's quick overview of additive vs. multiplicative HW)
http://ideas.repec.org/p/msh/ebswps/1999-1.html (paper on variations to the
multiplicative Holt-Winters, including variance calculations; FYI, my
implementation uses "Model 1")
My employer and the owner of this patch (IMVU, Inc.) is happy to license it
under the same terms as RRDtool, i.e. give it to the project.
-- Evan Miller emiller imvu.com
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1125
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oetiker [Fri, 15 Jun 2007 06:43:36 +0000 (06:43 +0000)]
oops missed to update the in memory output interface here
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oetiker [Fri, 15 Jun 2007 06:28:47 +0000 (06:28 +0000)]
added interface to get rendered image via a pointer to allocated memory ... Evan Miller emmiller gmail.com
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1123
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oetiker [Fri, 15 Jun 2007 06:12:55 +0000 (06:12 +0000)]
improve fontnaming
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oetiker [Thu, 14 Jun 2007 20:30:13 +0000 (20:30 +0000)]
fixed indentation
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1121
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oetiker [Thu, 14 Jun 2007 20:28:44 +0000 (20:28 +0000)]
added TEXTALIGN command to change the default text alignment
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1120
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oetiker [Wed, 13 Jun 2007 16:53:32 +0000 (16:53 +0000)]
fixed tcl includes
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1119
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oetiker [Wed, 13 Jun 2007 16:51:06 +0000 (16:51 +0000)]
be more helpful when raising rb_eTypeError in string_arr string_arr_new(VALUE rb_strings). This patch indicates which index is in error as well as the type you are erroneously passing. -- anonymous
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1118
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oetiker [Tue, 12 Jun 2007 20:36:50 +0000 (20:36 +0000)]
Bernhard Fischer:
- fix nulling the updvals
- cosmetic change to move the option struct out of the loop.
- need to operate on a copy of optarg
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1116
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oetiker [Mon, 11 Jun 2007 19:45:42 +0000 (19:45 +0000)]
added TRENDNAN function -- Timo Stripf
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1115
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oetiker [Mon, 11 Jun 2007 19:45:16 +0000 (19:45 +0000)]
allow output to stdout -- Timo Stripf
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1114
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oetiker [Mon, 11 Jun 2007 16:49:01 +0000 (16:49 +0000)]
added more news
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1113
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oetiker [Mon, 11 Jun 2007 16:34:51 +0000 (16:34 +0000)]
fixed indentation, added documentation note on gridfitting.
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1112
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oetiker [Mon, 11 Jun 2007 16:33:59 +0000 (16:33 +0000)]
fix arrow locations
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1111
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oetiker [Mon, 11 Jun 2007 16:20:20 +0000 (16:20 +0000)]
disable gridfitting for vector formats
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1110
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oetiker [Mon, 11 Jun 2007 16:14:40 +0000 (16:14 +0000)]
make pdf output work
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1109
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oetiker [Mon, 11 Jun 2007 15:32:41 +0000 (15:32 +0000)]
added detail
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1108
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oetiker [Mon, 11 Jun 2007 15:11:10 +0000 (15:11 +0000)]
--font-render-mode is back, and there is also
--graph-render-mode now. It allows to enable
mono graphs that look strikingly like rrdtool 1.0.x
--tobi
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1107
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oetiker [Mon, 11 Jun 2007 13:36:40 +0000 (13:36 +0000)]
Bernhard Fischer:
- NEWS mention the new file accessors
- rrd_update.c: remove unused some cruft
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1106
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oetiker [Mon, 11 Jun 2007 10:09:54 +0000 (10:09 +0000)]
Bernhard Fischer:
- fix maintaining our file-pos when we have to wrap the rra_ptr in
update().
- no need to update the header-data a second time for the mmap case.
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1105
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oetiker [Mon, 11 Jun 2007 00:23:51 +0000 (00:23 +0000)]
updated news
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1104
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oetiker [Mon, 11 Jun 2007 00:22:23 +0000 (00:22 +0000)]
* added some documentation
* updated version number
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1103
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oetiker [Sun, 10 Jun 2007 23:55:13 +0000 (23:55 +0000)]
switched graphics library from arts to cairo+pango
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1102
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oetiker [Mon, 4 Jun 2007 11:15:11 +0000 (11:15 +0000)]
Bernhard Fischer:
- new configure option --enable-static-programs
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1101
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oetiker [Fri, 1 Jun 2007 19:11:49 +0000 (19:11 +0000)]
Bernhard:
- implement resize SHRINK for FD (mmap is to be done)
- indent
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1100
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oetiker [Fri, 1 Jun 2007 17:59:25 +0000 (17:59 +0000)]
--full-size-mode with and without --no-legend should work now -- Matthew Chambers
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1099
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oetiker [Fri, 1 Jun 2007 17:35:46 +0000 (17:35 +0000)]
Bernhard
- fill the file with DNAN and add the remaining data in after the fact ...
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1098
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oetiker [Fri, 1 Jun 2007 17:34:15 +0000 (17:34 +0000)]
Bernhard Fischer
- implement resize, growing part. truncation is to be done.
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1097
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oetiker [Fri, 1 Jun 2007 09:10:33 +0000 (09:10 +0000)]
Bernhard Fischer
- use 'z' length modifier when printing size_t
- add a cast to __rrd_read and document why it is there
- add RANDOM hint for the header
git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1096
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