/[cricket]/create_vmstat_Default.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /create_vmstat_Default.pl

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Revision 1.4 - (hide annotations)
Mon Nov 3 10:29:05 2003 UTC (15 years, 7 months ago) by dpavlin
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +4 -1 lines
File MIME type: text/plain
added views

1 dpavlin 1.1 #!/usr/bin/perl -w
2     #
3     # This script will create Default files for two vmstat veriants
4     #
5     # 2003-10-27 Dobrica Pavlinusic <dpavlin@rot13.org>
6     #
7     # Due to cricket's eagerness to execute first data sources, your data
8     # *WILL BE* delayed by 5 minutes (or one cricket interval) on your
9     # graphs. Reason is that cricket first tries to read file (from last
10     # run) and then executes vmstat which will produce new file.
11    
12     use strict;
13     use Data::Dumper;
14    
15 dpavlin 1.2 # variant (-s for vmstat -s)
16     my $is_s = shift @ARGV;
17 dpavlin 1.1
18 dpavlin 1.2 my $target_type = "vmstat";
19     $target_type = "vmstat-stat" if ($is_s);
20 dpavlin 1.1
21 dpavlin 1.2 my $target_def_fmt = qq(
22 dpavlin 1.1 Target --default--
23     directory-desc = "Report virtual memory statistics"
24     short-desc = "Virtual memory"
25    
26 dpavlin 1.2 target-type = %s
27 dpavlin 1.1
28     # by default don't use ssh
29     ssh=""
30    
31     # comment following line if you don't want alerts for filespace
32     # to be created in /var/log/cricket/alters
33     # change n to number for low mark and 90 to high mark
34     #monitor-thresholds = "df : value : n : 90 : FILE : /var/log/cricket/alerts"
35     );
36    
37     my $dataSource_fmt = qq(
38     dataSource %s
39     rrd-ds-type = %s
40     rrd-heartbeat = 1800
41     ds-source = "%s:%s:%s"
42     # rrd-min = 0
43     # rrd-max = undef
44     precision = integer
45     ); # name, type=GAUGE|DERIVE, 0-x, script
46    
47     my $graph_fmt = qq(
48     graph %s
49     draw-as = %s
50     legend = "%s"
51     units = "%s"
52     ); # name, AREA|LINE3, legend, y-axis, units
53    
54    
55     my $targetType_fmt = qq(
56     targetType %s
57     ds = "%s"
58     view = "%s"
59     # y-min = 0
60     # y-max = 100
61    
62     graph --default--
63     height = 278
64     height-hint = 278
65     ); # name, ds (separated by spaces), view (Name: ds ds[,..])
66    
67     my $target_fmt = qq(
68     target %s
69     ssh = %s
70     );
71    
72     # definition for VM mode (copy/paster from vmstat man page :-)
73    
74     my $ds_type = {
75 dpavlin 1.2 # vmstat
76 dpavlin 1.1 'si' => 'ABSOLUTE',
77     'so' => 'ABSOLUTE',
78     'bi' => 'ABSOLUTE',
79     'bo' => 'ABSOLUTE',
80 dpavlin 1.3 # vmstat -s
81     'nnct' => 'COUNTER',
82     'nct' => 'COUNTER',
83     'sct' => 'COUNTER',
84     'ict' => 'COUNTER',
85     'ioct' => 'COUNTER',
86     'ppi' => 'COUNTER',
87     'ppo' => 'COUNTER',
88     'psi' => 'COUNTER',
89     'pso' => 'COUNTER',
90     'int' => 'COUNTER',
91     'ccs' => 'COUNTER',
92     'bt' => 'COUNTER',
93     'fork' => 'COUNTER',
94 dpavlin 1.1 };
95    
96     my $definition = qq(
97     Procs
98     r: The number of processes waiting for run time.
99     b: The number of processes in uninterruptible sleep.
100    
101     Memory
102     swpd: the amount of virtual memory used.
103     free: the amount of idle memory.
104     buff: the amount of memory used as buffers.
105     cache: the amount of memory used as cache.
106     # inact: the amount of inactive memory. (-a option)
107     # active: the amount of active memory. (-a option)
108    
109     Swap
110 dpavlin 1.3 si: Amount of memory swapped in from disk [amount/s].
111     so: Amount of memory swapped to disk [amount/s].
112 dpavlin 1.1
113     IO
114 dpavlin 1.3 bi: Blocks received from a block device [blocks/s].
115     bo: Blocks sent to a block device [blocks/s].
116 dpavlin 1.1
117     System
118     in: The number of interrupts per second, including the clock.
119     cs: The number of context switches per second.
120    
121     CPU
122     us: Time spent running non-kernel code. (user time, including nice time)
123     sy: Time spent running kernel code. (system time)
124     id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
125     wa: Time spent waiting for IO. Prior to Linux 2.5.41, shown as zero.
126     );
127    
128 dpavlin 1.2 # definition for vmstat -s created using vmstat -s -S K | cut -c15-
129     # with editing for units (encosed in [])
130     $definition = qq(
131     Memory
132     tm: [kB] total memory
133     um: [kB] used memory
134     am: [kB] active memory
135     im: [kB] inactive memory
136     fm: [kB] free memory
137     bm: [kB] buffer memory
138 dpavlin 1.3 Swap
139 dpavlin 1.2 sc: [kB] swap cache
140     ts: [kB] total swap
141     us: [kB] used swap
142     fs: [kB] free swap
143     Ticks
144     nnct: non-nice user cpu ticks [ticks]
145     nct: nice user cpu ticks [ticks]
146     sct: system cpu ticks [ticks]
147     ict: idle cpu ticks [ticks]
148     ioct: IO-wait cpu ticks [ticks]
149     Pages
150     ppi: pages paged in [pages]
151     ppo: pages paged out [pages]
152     psi: pages swapped in [pages]
153     pso: pages swapped out [pages]
154 dpavlin 1.4 Interrupts
155 dpavlin 1.2 int: interrupts
156 dpavlin 1.4 Context_switches
157 dpavlin 1.2 ccs: CPU context switches
158 dpavlin 1.4 Boot_time
159 dpavlin 1.2 bt: boot time
160 dpavlin 1.4 Forks
161 dpavlin 1.2 fork: forks
162     ) if ($is_s);
163    
164 dpavlin 1.1 my @ds;
165     my @views;
166     my $view_ds;
167 dpavlin 1.2 my $ds_unit;
168 dpavlin 1.1 my $desc;
169    
170     # start parsing at which element
171     my $ds_max = 0;
172     my $curr_view = "Default";
173    
174     foreach (split(/[\n\r]+/,$definition)) {
175     chomp;
176     next if (/^$/ || /^#/);
177     if (/^\s*(\w+)\s*$/) {
178     # view definition
179     $curr_view = $1;
180     push @views, $curr_view;
181 dpavlin 1.2 } elsif (/^\s*(\w+):\s+(.+)$/) {
182 dpavlin 1.1 # source name: description
183     my ($ds,$description) = ($1,$2);
184     $ds_max++;
185     push @ds,$ds;
186     push @{$view_ds->{$curr_view}},$ds;
187 dpavlin 1.2 if ($description =~ s/\s*\[([^\]]+)\]\s*//) {
188     $ds_unit->{$ds} = $1;
189     }
190 dpavlin 1.1 $desc->{$ds} = $description;
191     } else {
192     print STDERR "unparsable line: $_\n";
193     }
194     }
195    
196     # don't use value 0 it's empty!
197 dpavlin 1.2 my $vmstat = qq(\%ssh\% vmstat 1 2 | tail -1 | sed 's/ */\\\\n/'g);
198 dpavlin 1.1 my $ds_start = 1;
199    
200 dpavlin 1.2 if ($is_s) {
201     $vmstat = qq(\%ssh\% vmstat -s -S K);
202     $ds_start = 0;
203     }
204 dpavlin 1.1
205    
206     # dump Target
207 dpavlin 1.2 printf($target_def_fmt,$target_type);
208 dpavlin 1.1
209    
210     # dump targetType
211     my $view_str;
212     foreach (keys %{$view_ds}) {
213     $view_str .= "$_: ".join(" ",@{$view_ds->{$_}}).", ";
214     }
215     $view_str =~ s/, $//;
216 dpavlin 1.2 printf($targetType_fmt, $target_type, join(", ",@ds), $view_str);
217 dpavlin 1.1
218    
219     # dump dataSource
220     my $i=$ds_start; # start ds on line
221     foreach my $ds (@ds) {
222     my $cmd = $vmstat;
223     my $scheme = "exec";
224    
225     #if ($i == $ds_start) {
226     # # first ds dumps vmstat and cache in in tmp file
227     # $cmd = $vmstat;
228     #} elsif ($i == $ds_max) {
229     # # last row should also erase cache
230     # $cmd = "cat $cache && rm $cache";
231     #} else {
232     # # while all other rows just dump cache file
233     # $scheme = "file";
234     # $cmd = $cache;
235     # #$cmd = "cat $cache";
236     #}
237    
238     printf($dataSource_fmt, $ds,$ds_type->{$ds} || 'GAUGE',$scheme,$i,$cmd);
239    
240     $i++;
241     }
242    
243     # dump graph(s)
244     foreach my $ds (@ds) {
245 dpavlin 1.2 printf($graph_fmt, $ds, 'LINE3', $desc->{$ds}, $ds_unit->{$ds} || "");
246 dpavlin 1.1 }
247    

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