| 2 |
|
|
| 3 |
|
# |
| 4 |
|
# i-scream central monitoring system |
| 5 |
< |
# http://www.i-scream.org.uk |
| 5 |
> |
# http://www.i-scream.org |
| 6 |
|
# Copyright (C) 2000-2002 i-scream |
| 7 |
|
# |
| 8 |
|
# This program is free software; you can redistribute it and/or |
| 22 |
|
|
| 23 |
|
# ----------------------------------------------------------- |
| 24 |
|
# i-scream graph generation script |
| 25 |
< |
# http://www.i-scream.org.uk |
| 25 |
> |
# http://www.i-scream.org |
| 26 |
|
# |
| 27 |
|
# Generates graphs from rrd databases for i-scream data. |
| 28 |
|
# |
| 45 |
|
|
| 46 |
|
# define variables that will be read from the config |
| 47 |
|
# nb. keep this insync with the config file! |
| 48 |
< |
use vars qw{ |
| 49 |
< |
$imgdir $rrddir |
| 48 |
> |
use vars qw{ |
| 49 |
> |
$imgdir $rrddir |
| 50 |
|
$maxrrdage $maximgage $deleterrds $deleteimgs |
| 51 |
< |
$hex_slash $hex_underscore |
| 51 |
> |
$hex_slash $hex_underscore $hex_space $hex_colon $hex_bslash $hex_rbracket |
| 52 |
> |
$hex_lbracket $hex_plus |
| 53 |
|
$rrdstep $retry_wait |
| 54 |
|
$verbose $quiet |
| 55 |
|
}; |
| 99 |
|
$verbose = 0; |
| 100 |
|
} |
| 101 |
|
|
| 101 |
– |
|
| 102 |
|
# Read the contents of the base directory |
| 103 |
|
# and pull out the list of subdirectories (except . and .. :) |
| 104 |
|
opendir(DIR, $rrddir); |
| 105 |
< |
my(@rrddirlist) = grep { -d "$rrddir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 105 |
> |
my(@rrddirlist) = sort grep { -d "$rrddir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 106 |
|
closedir DIR; |
| 107 |
|
|
| 108 |
< |
# look through each directoty, as they might |
| 108 |
> |
# look through each directory, as they might |
| 109 |
|
# contain rrds for a particular machine |
| 110 |
|
foreach my $machine (@rrddirlist) { |
| 111 |
|
# Read the contents of the directory |
| 136 |
|
if($rrd =~ /^(cpu)\.rrd$/) { |
| 137 |
|
my(@data); |
| 138 |
|
my(@rawdata); |
| 139 |
< |
push @data, "LINE2:$1:idle:idle#00FF00:idle cpu"; |
| 140 |
< |
push @data, "LINE2:$1:user:user#0000FF:user cpu"; |
| 141 |
< |
push @data, "LINE2:$1:kernel:kernel#00FFFF:kernel cpu"; |
| 142 |
< |
push @data, "LINE2:$1:swap:swap#FF00FF:swap cpu"; |
| 143 |
< |
push @data, "LINE2:$1:iowait:iowait#FF0000:iowait cpu"; |
| 139 |
> |
push @data, "AREA:$1:swap:swap#FF00FF:OK:swap cpu "; |
| 140 |
> |
push @data, "STACK:$1:iowait:iowait#FF0000:OK:iowait cpu"; |
| 141 |
> |
push @data, "STACK:$1:kernel:kernel#00FFFF:OK:kernel cpu"; |
| 142 |
> |
push @data, "STACK:$1:user:user#0000FF:OK:user cpu "; |
| 143 |
> |
push @data, "LINE2:$1:idle:idle#00FF00:OK:idle cpu "; |
| 144 |
|
push @rawdata, "--upper-limit=100"; |
| 145 |
< |
&makegraph($machine, $1, "CPU Usage for $machine", \@data, \@rawdata); |
| 145 |
> |
&makegraph($machine, $1, "CPU Usage for $machine", "% cpu time", \@data, \@rawdata); |
| 146 |
|
} |
| 147 |
+ |
if($rrd =~ /^(uptime)\.rrd$/) { |
| 148 |
+ |
my(@data); |
| 149 |
+ |
push @data, "LINE2:$1:uptime:uptime#0000FF:OK:uptime"; |
| 150 |
+ |
&makegraph($machine, $1, "Uptime for $machine", "uptime in seconds", \@data); |
| 151 |
+ |
} |
| 152 |
|
if($rrd =~ /^(mem)\.rrd$/) { |
| 153 |
|
my(@data); |
| 154 |
|
my(@rawdata); |
| 155 |
< |
# we don't actually want to display free memory, |
| 156 |
< |
# although we need it to do inuse... |
| 157 |
< |
push @data, "NONE:$1:free:free#CCCCFF:free memory"; |
| 158 |
< |
push @data, "LINE2:$1:total:total#0000FF:total memory"; |
| 159 |
< |
# calculate inuse |
| 160 |
< |
push @rawdata, "CDEF:inuse=total,free,-"; |
| 155 |
> |
# we don't actually want to display free or total memory, |
| 156 |
> |
# although we need it to work out peruse... |
| 157 |
> |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free memory"; |
| 158 |
> |
push @data, "NONE:$1:total:total#0000FF:NONE:total memory\\n"; |
| 159 |
> |
push @data, "NONE:$1:cache:cache#0000FF:NONE:cache memory\\n"; |
| 160 |
> |
# calculate peruse - note that we only use 'free' if it's |
| 161 |
> |
# less or equal to total (this is to avoid negative percentages :) |
| 162 |
> |
push @rawdata, "CDEF:peruse=total,free,total,LE,free,0,IF,-,total,/,100,*"; |
| 163 |
> |
push @rawdata, "CDEF:percacuse=cache,total,LE,cache,0,IF,total,/,100,*"; |
| 164 |
|
# and add it to the graph |
| 165 |
< |
push @rawdata, "AREA:inuse#CCCCFF:memory in use"; |
| 165 |
> |
push @rawdata, "AREA:peruse#CCCCFF:% memory in use"; |
| 166 |
> |
&addlegend(\@rawdata, "peruse"); |
| 167 |
> |
push @rawdata, "LINE2:percacuse#0000FF:% memory cache "; |
| 168 |
> |
&addlegend(\@rawdata, "percacuse"); |
| 169 |
> |
push @rawdata, "--upper-limit=100"; |
| 170 |
|
push @rawdata, "--base=1024"; |
| 171 |
< |
&makegraph($machine, $1, "Memory Usage for $machine", \@data, \@rawdata); |
| 171 |
> |
# put the total memory on the graph so we can map percentages to real values |
| 172 |
> |
push @rawdata, "GPRINT:total:LAST:Current total memory\\: \%.2lf %sb\\c"; |
| 173 |
> |
&makegraph($machine, $1, "Memory Usage for $machine", "% memory in use", \@data, \@rawdata); |
| 174 |
|
} |
| 175 |
|
if($rrd =~ /^(load)\.rrd$/) { |
| 176 |
|
my(@data); |
| 177 |
< |
push @data, "LINE2:$1:load1:load1#CCCCFF:1 minute load average"; |
| 178 |
< |
push @data, "LINE2:$1:load5:load5#7777FF:5 minute load average"; |
| 179 |
< |
push @data, "LINE2:$1:load15:load15#0000FF:15 minute load average"; |
| 180 |
< |
&makegraph($machine, $1, "Loads for $machine", \@data); |
| 177 |
> |
push @data, "LINE2:$1:load1:load1#CCCCFF:OK: 1 min load average"; |
| 178 |
> |
push @data, "LINE2:$1:load5:load5#7777FF:OK: 5 min load average"; |
| 179 |
> |
push @data, "LINE2:$1:load15:load15#0000FF:OK:15 min load average"; |
| 180 |
> |
&makegraph($machine, $1, "Loads for $machine", "load average", \@data); |
| 181 |
|
} |
| 182 |
|
if($rrd =~ /^(proc)\.rrd$/) { |
| 183 |
|
my(@data); |
| 184 |
< |
push @data, "LINE2:$1:cpu:cpu#00FF00:cpu processes"; |
| 185 |
< |
push @data, "LINE2:$1:sleeping:sleeping#0000FF:sleeping processes"; |
| 186 |
< |
push @data, "LINE2:$1:stopped:stopped#00FFFF:stopped processes"; |
| 187 |
< |
push @data, "LINE2:$1:total:total#FF00FF:total processes"; |
| 188 |
< |
push @data, "LINE2:$1:zombie:zombie#FF0000:zombie processes"; |
| 189 |
< |
&makegraph($machine, $1, "Processes on $machine", \@data); |
| 184 |
> |
push @data, "AREA:$1:stopped:stopped#00FFFF:OK:stopped processes "; |
| 185 |
> |
push @data, "STACK:$1:zombie:zombie#FF0000:OK:zombie processes "; |
| 186 |
> |
push @data, "STACK:$1:cpu:cpu#00FF00:OK:cpu processes "; |
| 187 |
> |
push @data, "STACK:$1:sleeping:sleeping#0000FF:OK:sleeping processes"; |
| 188 |
> |
push @data, "LINE2:$1:total:total#FF00FF:OK:total processes "; |
| 189 |
> |
&makegraph($machine, $1, "Processes on $machine", "no. of processes", \@data); |
| 190 |
|
} |
| 191 |
|
if($rrd =~ /^(swap)\.rrd$/) { |
| 192 |
|
my(@data); |
| 193 |
|
my(@rawdata); |
| 194 |
< |
# we don't actually want to display free swap, |
| 195 |
< |
# although we need it to do inuse... |
| 196 |
< |
push @data, "NONE:$1:free:free#CCCCFF:free swap"; |
| 197 |
< |
push @data, "LINE2:$1:total:total#0000FF:total swap"; |
| 198 |
< |
# calculate inuse |
| 199 |
< |
push @rawdata, "CDEF:inuse=total,free,-"; |
| 194 |
> |
# we don't actually want to display free or total swap, |
| 195 |
> |
# although we need it to work out peruse... |
| 196 |
> |
push @data, "NONE:$1:free:free#CCCCFF:NONE:free swap"; |
| 197 |
> |
push @data, "NONE:$1:total:total#0000FF:NONE:total swap\\n"; |
| 198 |
> |
# calculate peruse - note that we only use 'free' if it's |
| 199 |
> |
# less or equal to total (this is to avoid negative percentages :) |
| 200 |
> |
push @rawdata, "CDEF:peruse=total,free,total,LE,free,0,IF,-,total,/,100,*"; |
| 201 |
|
# and add it to the graph |
| 202 |
< |
push @rawdata, "AREA:inuse#CCCCFF:swap in use"; |
| 202 |
> |
push @rawdata, "AREA:peruse#CCCCFF:% swap in use"; |
| 203 |
> |
push @rawdata, "--upper-limit=100"; |
| 204 |
|
push @rawdata, "--base=1024"; |
| 205 |
< |
&makegraph($machine, $1, "Swap Usage for $machine", \@data, \@rawdata); |
| 205 |
> |
# add some nice values to the legend |
| 206 |
> |
&addlegend(\@rawdata, "peruse"); |
| 207 |
> |
# put the total swap on the graph so we can map percentages to real values |
| 208 |
> |
push @rawdata, "GPRINT:total:LAST:Current total swap\\: \%.2lf %sb\\c"; |
| 209 |
> |
&makegraph($machine, $1, "Swap Usage for $machine", "% swap in use", \@data, \@rawdata); |
| 210 |
|
} |
| 211 |
|
if($rrd =~ /^(users)\.rrd$/) { |
| 212 |
|
my(@data); |
| 213 |
< |
push @data, "AREA:$1:count:count#CCCCFF:user count"; |
| 214 |
< |
&makegraph($machine, $1, "User Count for $machine", \@data); |
| 213 |
> |
push @data, "AREA:$1:count:count#CCCCFF:OK:user count"; |
| 214 |
> |
&makegraph($machine, $1, "User Count for $machine", "no. of users", \@data); |
| 215 |
|
} |
| 216 |
< |
if($rrd =~ /^(disk)-(\S+).rrd$/) { |
| 216 |
> |
if($rrd =~ /^(paging)\.rrd$/) { |
| 217 |
|
my(@data); |
| 218 |
+ |
push @data, "AREA:$1:pageins:pageins#00FF00:OK:pages paged in "; |
| 219 |
+ |
push @data, "LINE2:$1:pageouts:pageouts#0000FF:OK:pages paged out"; |
| 220 |
+ |
&makegraph($machine, $1, "Paging on $machine", "pages per second", \@data); |
| 221 |
+ |
} |
| 222 |
+ |
if($rrd =~ /^(disk)-(\S+)\.rrd$/) { |
| 223 |
+ |
my(@data); |
| 224 |
|
my(@rawdata); |
| 225 |
< |
push @data, "LINE2:$1-$2:kbytes:kbytes#0000FF:total size"; |
| 226 |
< |
push @data, "AREA:$1-$2:used:used#CCCCFF:used"; |
| 225 |
> |
# we need this lot for our calculations, but we'll never show them |
| 226 |
> |
push @data, "NONE:$1-$2:total:total#0000FF:NONE:total size\\n"; |
| 227 |
> |
push @data, "NONE:$1-$2:used:used#CCCCFF:NONE:used space"; |
| 228 |
> |
push @data, "NONE:$1-$2:totalinodes:totalinodes#000000:NONE:total inodes"; |
| 229 |
> |
push @data, "NONE:$1-$2:freeinodes:freeinodes#000000:NONE:free inodes"; |
| 230 |
> |
# calculate peruse, add it to the graph, and add a legend |
| 231 |
> |
push @rawdata, "CDEF:peruse=used,total,/,100,*"; |
| 232 |
> |
push @rawdata, "AREA:peruse#CCCCFF:% disk used "; |
| 233 |
> |
&addlegend(\@rawdata, "peruse"); |
| 234 |
> |
# put the total space on the graph so we can map percentages to real values |
| 235 |
> |
push @rawdata, "GPRINT:total:LAST:Current total space\\: \%.2lf %sb\\c"; |
| 236 |
> |
# calculate perinodeuse, add it to the graph, and add a legend |
| 237 |
> |
push @rawdata, "CDEF:perinodeuse=totalinodes,freeinodes,totalinodes,LT,freeinodes,0,IF,-,totalinodes,/,100,*"; |
| 238 |
> |
push @rawdata, "LINE2:perinodeuse#FF4444:% inodes used"; |
| 239 |
> |
push @rawdata, "--upper-limit=100"; |
| 240 |
|
push @rawdata, "--base=1024"; |
| 241 |
+ |
&addlegend(\@rawdata, "perinodeuse"); |
| 242 |
+ |
# put the total inodes on the graph so we can map percentages to real values |
| 243 |
+ |
push @rawdata, "GPRINT:totalinodes:LAST:Current total inodes\\: \%.2lf %s\\c"; |
| 244 |
+ |
# some name tidting |
| 245 |
|
my($type) = $1; |
| 246 |
|
my($name) = $2; |
| 247 |
|
my($nicename) = $2; |
| 248 |
|
$nicename =~ s/$hex_slash/\//g; |
| 249 |
|
$nicename =~ s/$hex_underscore/_/g; |
| 250 |
< |
&makegraph($machine, "$type-$name", "Disk Usage for $machine on $nicename", \@data, \@rawdata); |
| 250 |
> |
$nicename =~ s/$hex_bslash/\\/g; |
| 251 |
> |
$nicename =~ s/$hex_space/ /g; |
| 252 |
> |
$nicename =~ s/$hex_colon/:/g; |
| 253 |
> |
&makegraph($machine, "$type-$name", "Disk Usage for $machine on $nicename", "% usage", \@data, \@rawdata); |
| 254 |
|
} |
| 255 |
+ |
if($rrd =~ /^(diskio)-(\S+)\.rrd$/) { |
| 256 |
+ |
my(@data); |
| 257 |
+ |
my(@rawdata); |
| 258 |
+ |
push @data, "AREA:$1-$2:rbytes:rbytes#00FF00:OK:read bytes "; |
| 259 |
+ |
push @data, "LINE2:$1-$2:wbytes:wbytes#0000FF:OK:write bytes"; |
| 260 |
+ |
push @rawdata, "--base=1024"; |
| 261 |
+ |
# some name tidying |
| 262 |
+ |
my($type) = $1; |
| 263 |
+ |
my($name) = $2; |
| 264 |
+ |
my($nicename) = $2; |
| 265 |
+ |
$nicename =~ s/$hex_slash/\//g; |
| 266 |
+ |
$nicename =~ s/$hex_underscore/_/g; |
| 267 |
+ |
$nicename =~ s/$hex_bslash/\\/g; |
| 268 |
+ |
$nicename =~ s/$hex_space/ /g; |
| 269 |
+ |
$nicename =~ s/$hex_colon/:/g; |
| 270 |
+ |
&makegraph($machine, "$type-$name", "Disk IO for $machine on $nicename", "bytes per second", \@data, \@rawdata); |
| 271 |
+ |
} |
| 272 |
+ |
if($rrd =~ /^(net)-(\S+)\.rrd$/) { |
| 273 |
+ |
my(@data); |
| 274 |
+ |
my(@rawdata); |
| 275 |
+ |
push @data, "AREA:$1-$2:rx:rx#00FF00:OK:received bytes "; |
| 276 |
+ |
push @data, "LINE2:$1-$2:tx:tx#0000FF:OK:transfered bytes"; |
| 277 |
+ |
push @rawdata, "--base=1024"; |
| 278 |
+ |
# some name tidying |
| 279 |
+ |
my($type) = $1; |
| 280 |
+ |
my($name) = $2; |
| 281 |
+ |
my($nicename) = $2; |
| 282 |
+ |
$nicename =~ s/$hex_slash/\//g; |
| 283 |
+ |
$nicename =~ s/$hex_underscore/_/g; |
| 284 |
+ |
$nicename =~ s/$hex_bslash/\\/g; |
| 285 |
+ |
$nicename =~ s/$hex_space/ /g; |
| 286 |
+ |
$nicename =~ s/$hex_colon/:/g; |
| 287 |
+ |
$nicename =~ s/$hex_rbracket/(/g; |
| 288 |
+ |
$nicename =~ s/$hex_lbracket/)/g; |
| 289 |
+ |
$nicename =~ s/$hex_plus/+/g; |
| 290 |
+ |
&makegraph($machine, "$type-$name", "Network IO for $machine on $nicename", "bytes per second", \@data, \@rawdata); |
| 291 |
+ |
} |
| 292 |
+ |
if($rrd =~ /^(mailq)-(\S+)\.rrd$/) { |
| 293 |
+ |
my(@data); |
| 294 |
+ |
my(@rawdata); |
| 295 |
+ |
push @data, "LINE2:$1-$2:size:size#0000FF:OK:messages"; |
| 296 |
+ |
&makegraph($machine, "$1-$2", "Mail Queue ($2) Size for $machine", "messages in queue", \@data, \@rawdata); |
| 297 |
+ |
} |
| 298 |
|
# probably a queue with a name like this :) |
| 299 |
|
if($rrd =~ /^(\d+)_0\.rrd$/) { |
| 300 |
|
my(@data); |
| 302 |
|
my($baserrd) = $1; |
| 303 |
|
my($i) = 0; |
| 304 |
|
while( -f "$rrddir/$machine/$baserrd\_$i.rrd" ) { |
| 305 |
< |
push @data, "LINE2:$baserrd\_$i:size:size$i" . &get_colour($i) . ":queue$i size "; |
| 305 |
> |
push @data, "LINE2:$baserrd\_$i:size:size$i" . &get_colour($i) . ":OK:queue$i size "; |
| 306 |
|
++$i; |
| 307 |
|
} |
| 308 |
< |
push @data, "LINE2:$baserrd\_0:total:total#FF0000:packets/sec - currently"; |
| 220 |
< |
push @rawdata, "GPRINT:total:LAST:%lf %spackets/sec"; |
| 308 |
> |
push @data, "LINE2:$baserrd\_0:total:total#FF0000:OK:packets/sec "; |
| 309 |
|
my($comment); |
| 310 |
|
if(-f "$rrddir/$machine/$baserrd.def") { |
| 311 |
|
open(DEF, "$rrddir/$machine/$baserrd.def"); |
| 313 |
|
chomp $comment if defined $comment; |
| 314 |
|
} |
| 315 |
|
$comment = "unknown queue" if not defined $comment; |
| 316 |
< |
&makegraph($machine, $baserrd, $comment, \@data, \@rawdata); |
| 316 |
> |
&makegraph($machine, $baserrd, $comment, "", \@data, \@rawdata); |
| 317 |
|
} |
| 318 |
|
} |
| 319 |
|
# have a last check, maybe we can remove the directory now? |
| 334 |
|
# Read the contents of the graphs directory |
| 335 |
|
# and pull out the list of subdirectories (except . and .. :) |
| 336 |
|
opendir(DIR, $imgdir); |
| 337 |
< |
my(@imgdirlist) = grep { -d "$imgdir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 337 |
> |
my(@imgdirlist) = sort grep { -d "$imgdir/$_" && !/^\.$/ && !/^\.\.$/ } readdir(DIR); |
| 338 |
|
closedir DIR; |
| 339 |
|
|
| 340 |
< |
# look through each directoty, as they might |
| 340 |
> |
# look through each directory, as they might |
| 341 |
|
# contain images for a particular machine |
| 342 |
|
foreach my $machine (@imgdirlist) { |
| 343 |
|
# Read the contents of the directory |
| 382 |
|
# (eg. cpu) |
| 383 |
|
# $title = the title for the graph |
| 384 |
|
# (eg. kernow CPU usage) |
| 385 |
+ |
# $vlabel = the vertical label to apply to the left side of the graph |
| 386 |
+ |
# (eg. kb/s) |
| 387 |
|
# $dataref = a reference to an array containing information for the graph |
| 388 |
< |
# elements of format: "gtype:rrdname:dsname:name#colour:comment with spaces" |
| 388 |
> |
# elements of format: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
| 389 |
|
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
| 390 |
+ |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
| 391 |
|
# $rawcmdref = a reference to an array containing raw rrd commands |
| 392 |
|
# elements a single command each, no spaces |
| 393 |
|
# |
| 394 |
|
|
| 395 |
|
sub makegraph() { |
| 396 |
< |
my($machine, $type, $title, $dataref, $rawcmdref) = @_; |
| 396 |
> |
my($machine, $type, $title, $vlabel, $dataref, $rawcmdref) = @_; |
| 397 |
|
# pass in these arrays by reference |
| 398 |
|
my(@data) = @$dataref if defined $dataref; |
| 399 |
|
my(@rawcmd) = @$rawcmdref if defined $rawcmdref; |
| 405 |
|
} |
| 406 |
|
my(@rrdcmd); |
| 407 |
|
foreach my $dataitem (@data) { |
| 408 |
< |
# dataitem should be: "gtype:rrdname:dsname:name#colour:comment with spaces" |
| 408 |
> |
# dataitem should be: "gtype:rrdname:dsname:name#colour:legend:comment with spaces" |
| 409 |
|
# (if gtype is "NONE" only a DEF of 'name' will be defined, no line will be plotted) |
| 410 |
< |
if($dataitem =~ /^(\S+):(\S+):(\S+):(\S+)#(.{6}):(.*)$/) { |
| 410 |
> |
# (if legend is "NONE" the latest/average/max/min legend won't be printed) |
| 411 |
> |
if($dataitem =~ /^(\S+):(\S+):(\S+):(\S+)#(.{6}):(\S+):(.*)$/) { |
| 412 |
|
push @rrdcmd, "DEF:$4=$rrddir/$machine/$2.rrd:$3:AVERAGE"; |
| 413 |
|
if($1 ne "NONE") { |
| 414 |
< |
push @rrdcmd, "$1:$4#$5:$6"; |
| 414 |
> |
push @rrdcmd, "$1:$4#$5:$7"; |
| 415 |
> |
if($6 ne "NONE") { |
| 416 |
> |
# add some nice values to the legend |
| 417 |
> |
&addlegend(\@rrdcmd, $4); |
| 418 |
> |
} |
| 419 |
|
} |
| 420 |
|
} |
| 421 |
|
} |
| 422 |
|
push @rrdcmd, "--title=$title"; |
| 423 |
|
push @rrdcmd, "--imgformat=PNG"; |
| 424 |
|
push @rrdcmd, "--lower-limit=0"; |
| 425 |
+ |
push @rrdcmd, "--vertical-label=$vlabel"; |
| 426 |
|
# not entirely convinced this is good... |
| 427 |
|
push @rrdcmd, "--alt-autoscale-max"; |
| 428 |
|
# add any further raw commands |
| 448 |
|
&log("created $imgdir/$machine/$type-1y.png\n") unless $err_1y; |
| 449 |
|
&error("Error generating 1y graph for $machine/$type: $err_1y\n") if $err_1y; |
| 450 |
|
return; |
| 451 |
+ |
} |
| 452 |
+ |
|
| 453 |
+ |
# subroutine to add a legend |
| 454 |
+ |
# accepts reference to an array and a name |
| 455 |
+ |
sub addlegend() { |
| 456 |
+ |
my($dataref, $name) = @_; |
| 457 |
+ |
push @$dataref, "GPRINT:$name:LAST:Current\\: \%8.2lf %s"; |
| 458 |
+ |
push @$dataref, "GPRINT:$name:AVERAGE:Average\\: \%8.2lf %s"; |
| 459 |
+ |
push @$dataref, "GPRINT:$name:MAX:Max\\: \%8.2lf %s\\n"; |
| 460 |
|
} |
| 461 |
|
|
| 462 |
|
# hacky subroutine to return a colour |
