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root/i-scream/projects/cms/source/host/generic/statgrab.pl
Revision: 1.40
Committed: Mon Mar 19 23:05:55 2001 UTC (23 years, 6 months ago) by tdb
Content type: text/plain
Branch: MAIN
Changes since 1.39: +28 -28 lines
Log Message:
Fixed the >1000 processes bug. It now doesn't care about a space, and makes sure
what it's grabbing is a number.

File Contents

# User Rev Content
1 pjm2 1.1 #!/usr/bin/perl -w
2    
3     #-----------------------------------------------------------------
4     # Machine statistics grabber
5 tdb 1.40 # $Author: tdb1 $
6     # $Id: statgrab.pl,v 1.39 2001/03/19 22:38:20 tdb1 Exp $
7 pjm2 1.1 #
8     # A Perl script to return various information about a host machine
9     # by examining the output of some common Unix/Linux commands.
10     # This is a stopgap to act as a generic way of collecting the
11     # data. It is perhaps more reliable than the current Java host
12     # at doing this and it can obviously be used by a C++ program as
13     # well until the C++ host is ready to find the information out
14     # itself.
15     #-----------------------------------------------------------------
16    
17    
18     $| = 1;
19    
20    
21     # You'd be silly not to use this ;)
22     use strict;
23    
24 tdb 1.30 # Have to hope this will work really.
25     my($ostype) = `uname -s`; chop($ostype);
26    
27     # Decide which paths we should use.
28 tdb 1.39 my($topbin); my($dfbin); my($usersbin);
29     my($unamebin); my($uptimebin); my($sysctlbin);
30 tdb 1.30
31     if ($ostype eq "SunOS") {
32     # covers: Solaris 8
33 tdb 1.31 $topbin = "/usr/local/sbin/top -d2 -s1 0";
34 tdb 1.30 $dfbin = "/usr/bin/df";
35     $usersbin = "/usr/ucb/users";
36     $unamebin = "/usr/bin/uname";
37     $uptimebin = "/usr/bin/uptime";
38     }
39     elsif ($ostype eq "Linux") {
40     # covers: Debian r2.2
41 tdb 1.31 $topbin = "/usr/bin/top -d1 -n0 -b";
42 tdb 1.30 $dfbin = "/bin/df";
43     $usersbin = "/usr/bin/users";
44     $unamebin = "/bin/uname";
45     $uptimebin = "/usr/bin/uptime";
46     }
47     elsif ($ostype eq "FreeBSD") {
48     # covers: FreeBSD 4.2-STABLE
49 tdb 1.31 $topbin = "/usr/bin/top -d2 -s1 0";
50 tdb 1.30 $dfbin = "/bin/df";
51     $usersbin = "/usr/bin/users";
52     $unamebin = "/usr/bin/uname";
53     $uptimebin = "/usr/bin/uptime";
54 tdb 1.39 $sysctlbin = "/sbin/sysctl";
55 tdb 1.30 }
56     else {
57     print "statgrab.pl Error: Unable to identify system type - \"$ostype\".\n";
58     print "\"uname -s\" does not report one of the following known types;\n";
59     print " SunOS, Linux, FreeBSD\n";
60     exit(1);
61     }
62 tdb 1.13
63 pjm2 1.6 # Run the following components: -
64 tdb 1.3 &print_ident();
65 tdb 1.2 &include_osver();
66 tdb 1.17 &include_uptime();
67 pjm2 1.1 &include_users();
68     &include_top();
69 pjm2 1.5 &include_disk();
70 pjm2 1.1
71 pjm2 1.6 # End the program normally.
72 pjm2 1.1 exit(0);
73    
74    
75    
76 pjm2 1.6
77 tdb 1.3 # prints out an identifier for this version of statgrab.pl
78     # the host should check this when reading data
79     # means the host must be checked and updated to work with newer versions.
80     sub print_ident() {
81 tdb 1.40 print 'version statgrab.pl $Revision: 1.39 $';
82 tdb 1.3 print "\n";
83     }
84 pjm2 1.1
85     # sub to print pairs of data, separated by a single space character.
86 pjm2 1.5 # If the second argument is undefined, then the pair is still printed,
87 pjm2 1.25 # however, the value shall be displayed as the the 'default' value
88     # if the passed value was undefined.
89 pjm2 1.8 sub print_pair($$$) {
90 pjm2 1.25 my($default, $name, $value) = @_;
91 pjm2 1.1
92     if (!defined $value) {
93 pjm2 1.25 $value = $default;
94 pjm2 1.1 }
95    
96     # Remove the trailing linefeed if we've not already done so.
97     chomp($value);
98    
99     # print the pair of data with a space inbetween.
100     print "$name $value\n";
101     }
102    
103    
104 pjm2 1.5 # sub to find out disk partition information, if it exists.
105     sub include_disk() {
106    
107     # Run the df program.
108 tdb 1.13 my(@df) = `$dfbin -ak`;
109 pjm2 1.5
110     # Go through each line of the program, looking for each thing we want.
111     my($partition_no) = 0;
112     for (my($i) = 0; $i < $#df; $i++) {
113     my($line) = $df[$i];
114 tdb 1.35 $line =~ /^([^\s]*)\s*([0-9]*)\s*([0-9]*)\s*([0-9]*)\s*[^\s]*\s*(\/[^\s]*)\s*/;
115 pjm2 1.5 # $4 will not match unless everything before it does...
116 pjm2 1.7 if (defined $5) {
117     my ($filesystem, $kbytes, $used, $avail, $mount) = ($1, $2, $3, $4, $5);
118 pjm2 1.25 &print_pair("unknown", "packet.disk.p$partition_no.attributes.name", $filesystem);
119     &print_pair(0, "packet.disk.p$partition_no.attributes.kbytes", $kbytes);
120     &print_pair(0, "packet.disk.p$partition_no.attributes.used", $used);
121     &print_pair(0, "packet.disk.p$partition_no.attributes.avail", $avail);
122     &print_pair("unknown", "packet.disk.p$partition_no.attributes.mount", $mount);
123 pjm2 1.5 ++$partition_no;
124     }
125     }
126    
127     }
128    
129     # sub to find out the list of all (non-unique) usernames logged
130     # in to the machine and how many their are. (not
131 pjm2 1.1 sub include_users() {
132    
133     # Find out all users on this machine.
134 tdb 1.13 my($users) = `$usersbin`;
135 pjm2 1.16 $users = "\n" unless defined $users;
136     chop $users;
137 pjm2 1.14 my($users_count) = 0;
138     $users_count++ while $users =~ /\w+/g;
139 pjm2 1.18 my($users_list) = $users." ";
140 pjm2 1.1
141 pjm2 1.25 &print_pair(0, "packet.users.count", $users_count);
142     &print_pair("unknown", "packet.users.list", $users_list);
143 pjm2 1.1 }
144    
145    
146 pjm2 1.5 # sub to run a series of regexps on the output of 'top' to
147     # gather various machine statistics.
148 pjm2 1.1 sub include_top() {
149    
150     # Find out some numbers from top.
151 tdb 1.31 my(@top) = `$topbin`;
152 pjm2 1.1 my($top) = join(" ", @top);
153     $top =~ s/\n//g;
154    
155 tdb 1.32 if($ostype eq "SunOS") {
156 tdb 1.40 &print_pair(0, "packet.processes.total", $top =~ /([0-9]+?) processes:/);
157     &print_pair(0, "packet.processes.sleeping", $top =~ /([0-9]+?) sleeping/);
158     &print_pair(0, "packet.processes.zombie", $top =~ /([0-9]+?) zombie/);
159     &print_pair(0, "packet.processes.stopped", $top =~ /([0-9]+?) stopped/);
160     &print_pair(0, "packet.processes.cpu", $top =~ /([0-9]+?)\s*on cpu/);
161 tdb 1.32 &print_pair(0, "packet.cpu.idle", $top =~ /([^\s]+?)% idle/);
162     &print_pair(0, "packet.cpu.user", $top =~ /([^\s]+?)% user/);
163     &print_pair(0, "packet.cpu.kernel", $top =~ /([^\s]+?)% kernel/);
164     &print_pair(0, "packet.cpu.iowait", $top =~ /([^\s]+?)% iowait/);
165     &print_pair(0, "packet.cpu.swap", $top =~ /([^\s]+?)% swap/);
166    
167     # The following need to be specified in megabytes.
168     # If they are preceeded by a G, then multiply by 1024.
169    
170 tdb 1.40 $top =~ /([0-9]+?)([KMG]) real/;
171 tdb 1.32 my($real) = $1;
172     $real*=1024 if $2 eq "G";
173 pjm2 1.37 $real/=1024 if $2 eq "K";
174 tdb 1.32 &print_pair(0, "packet.memory.total", $real);
175    
176 tdb 1.40 $top =~ /([0-9]+?)([KMG]) free/;
177 tdb 1.32 my($free) = $1;
178     $free*=1024 if $2 eq "G";
179 pjm2 1.37 $free/=1024 if $2 eq "K";
180 tdb 1.32 &print_pair(0, "packet.memory.free", $free);
181    
182 tdb 1.40 $top =~ /([0-9]+?)([KMG]) swap in use/;
183 tdb 1.32 my($swap_in_use) = $1;
184     $swap_in_use*=1024 if $2 eq "G";
185 pjm2 1.37 $swap_in_use/=1024 if $2 eq "K";
186 tdb 1.32 # DO NOT print this one out... save it for in a moment...
187    
188 tdb 1.40 $top =~ /([0-9]+?)([KMG]) swap free/;
189 tdb 1.32 my($swap_free) = $1;
190     $swap_free*=1024 if $2 eq "G";
191 pjm2 1.37 $swap_free/=1024 if $2 eq "K";
192 tdb 1.32 &print_pair(0, "packet.swap.free", $swap_free);
193    
194     # AJ requested total swap instead of swap_in_use, so here we go!
195     &print_pair(0, "packet.swap.total", $swap_free + $swap_in_use);
196     }
197     elsif ($ostype eq "FreeBSD") {
198 tdb 1.40 &print_pair(0, "packet.processes.total", $top =~ /([0-9]+?) processes:/);
199     &print_pair(0, "packet.processes.sleeping", $top =~ /([0-9]+?) sleeping/);
200     &print_pair(0, "packet.processes.zombie", $top =~ /([0-9]+?) zombie/);
201     &print_pair(0, "packet.processes.stopped", $top =~ /([0-9]+?) stopped/);
202     &print_pair(0, "packet.processes.cpu", $top =~ /([0-9]+?)\s*running/);
203 tdb 1.32 &print_pair(0, "packet.cpu.idle", $top =~ /([^\s]+?)% idle/);
204     &print_pair(0, "packet.cpu.kernel", $top =~ /([^\s]+?)% system/);
205     &print_pair(0, "packet.cpu.iowait", $top =~ /([^\s]+?)% interrupt/);
206     &print_pair(0, "packet.cpu.swap", $top =~ /([^\s]+?)% swap/);
207 tdb 1.36
208     # FreeBSD is a bit different, we need to get user and nice.
209     my($user) = 0;
210     if($top =~ /([^\s]+?)% user/) { $user += $1; }
211     if($top =~ /([^\s]+?)% nice/) { $user += $1; }
212     &print_pair(0, "packet.cpu.user", $user);
213 tdb 1.32
214     # The following need to be specified in megabytes.
215     # If they are preceeded by a G, then multiply by 1024.
216    
217 tdb 1.39 # get RAM slightly differently
218     my($real) = `$sysctlbin -n hw.physmem`;
219     my($free) = $real - `$sysctlbin -n hw.usermem`;
220    
221     # turn bytes to megabytes
222     $real = ($real / 1024) / 1024;
223     $free = ($free / 1024) / 1024;
224 tdb 1.32
225 tdb 1.39 &print_pair(0, "packet.memory.total", $real);
226 tdb 1.32 &print_pair(0, "packet.memory.free", $free);
227    
228 tdb 1.40 $top =~ /Swap: ([0-9]+?)([KMG]) Total/;
229 tdb 1.32 my($swap_total) = $1;
230     $swap_total*=1024 if $2 eq "G";
231 pjm2 1.38 $swap_total/=1024 if $2 eq "K";
232 tdb 1.32 &print_pair(0, "packet.swap.total", $swap_total);
233    
234 tdb 1.40 $top =~ /Swap:.*, ([0-9]+?)([KMG]) Free/;
235 tdb 1.32 my($swap_free) = $1;
236     $swap_free*=1024 if $2 eq "G";
237 pjm2 1.38 $swap_free/=1024 if $2 eq "K";
238 tdb 1.32 &print_pair(0, "packet.swap.free", $swap_free);
239 tdb 1.39
240     my($loads) = `$sysctlbin -n vm.loadavg`;
241     $loads =~ /\s+([^\s]+?)\s+([^\s]+?)\s+([^\s]+?)\s+/;
242     &print_pair(0, "packet.load.load1", $1);
243     &print_pair(0, "packet.load.load5", $2);
244     &print_pair(0, "packet.load.load15", $3);
245 tdb 1.32 }
246 tdb 1.33 elsif ($ostype eq "Linux") {
247 tdb 1.40 &print_pair(0, "packet.processes.total", $top =~ /([0-9]+?) processes:/);
248     &print_pair(0, "packet.processes.sleeping", $top =~ /([0-9]+?) sleeping/);
249     &print_pair(0, "packet.processes.zombie", $top =~ /([0-9]+?) zombie/);
250     &print_pair(0, "packet.processes.stopped", $top =~ /([0-9]+?) stopped/);
251     &print_pair(0, "packet.processes.cpu", $top =~ /([0-9]+?)\s*running/);
252 tdb 1.33 &print_pair(0, "packet.cpu.idle", $top =~ /([^\s]+?)% idle/);
253     &print_pair(0, "packet.cpu.user", $top =~ /([^\s]+?)% user/);
254     &print_pair(0, "packet.cpu.kernel", $top =~ /([^\s]+?)% system/);
255     &print_pair(0, "packet.cpu.iowait", $top =~ /([^\s]+?)% interrupt/);
256     &print_pair(0, "packet.cpu.swap", $top =~ /([^\s]+?)% swap/);
257    
258     # The following need to be specified in megabytes.
259     # If they are preceeded by a G, then multiply by 1024.
260    
261 tdb 1.40 $top =~ / ([0-9]+?)([KMG]) av/;
262 tdb 1.33 my($real) = $1;
263     $real*=1024 if $2 eq "G";
264     $real/=1024 if $2 eq "K";
265     &print_pair(0, "packet.memory.total", int($real));
266    
267 tdb 1.40 $top =~ / ([0-9]+?)([KMG]) free/;
268 tdb 1.33 my($free) = $1;
269     $free*=1024 if $2 eq "G";
270     $free/=1024 if $2 eq "K";
271     &print_pair(0, "packet.memory.free", int($free));
272    
273 tdb 1.40 $top =~ /Swap:\s+([0-9]]+?)([KMG]) av/;
274 tdb 1.33 my($swap_total) = $1;
275     $swap_total*=1024 if $2 eq "G";
276     $swap_total/=1024 if $2 eq "K";
277     &print_pair(0, "packet.swap.total", int($swap_total));
278    
279 tdb 1.40 $top =~ /Swap:.*, ([0-9]+?)([KMG]) free/;
280 tdb 1.33 my($swap_free) = $1;
281     $swap_free*=1024 if $2 eq "G";
282     $swap_free/=1024 if $2 eq "K";
283     &print_pair(0, "packet.swap.free", int($swap_free));
284     }
285 tdb 1.32 else {
286     # we could have some catchall here
287 tdb 1.33 # but as it stands this means we'll just skip top stuff
288     # for unknown systems
289 tdb 1.32 }
290 tdb 1.2 }
291    
292 pjm2 1.5 # sub to get details of the machine's operating system.
293 tdb 1.2 sub include_osver() {
294    
295     # Find out details about the operating system
296 pjm2 1.5 # If these values remain undefined, then the print_pair
297     # function shall show the value to be the string "unknown".
298 tdb 1.13 my($os_name) = `$unamebin -s`;
299     my($os_release) = `$unamebin -r`;
300     my($os_platform) = `$unamebin -m`;
301     my($os_sysname) = `$unamebin -n`;
302     my($os_version) = `$unamebin -v`;
303 tdb 1.2
304 pjm2 1.25 &print_pair("unknown", "packet.os.name", $os_name);
305     &print_pair("unknown", "packet.os.release", $os_release);
306     &print_pair("unknown", "packet.os.platform", $os_platform);
307     &print_pair("unknown", "packet.os.sysname", $os_sysname);
308     &print_pair("unknown", "packet.os.version", $os_version);
309 tdb 1.2
310 pjm2 1.1 }
311 tdb 1.17
312 tdb 1.28 # sub to get system uptime in seconds.
313 tdb 1.17 sub include_uptime() {
314    
315 tdb 1.27 # debug stuff, all the different cases
316    
317     # normal
318     #my($uptime) = " 4:48pm up 49 day(s), 6:30, 201 users, load average: 0.33, 0.35, 0.38\n";
319     # 0 days
320     #my($uptime) = " 4:48pm up 6:30, 201 users, load average: 0.33, 0.35, 0.38\n";
321     # 0 hours
322     #my($uptime) = " 4:48pm up 49 day(s), 30 min(s), 201 users, load average: 0.33, 0.35, 0.38\n";
323     # 0 mins
324     #my($uptime) = " 4:48pm up 49 day(s), 6 hr(s), 201 users, load average: 0.33, 0.35, 0.38\n";
325     # 0 days and 0 mins
326     #my($uptime) = " 4:48pm up 6 hr(s), 201 users, load average: 0.33, 0.35, 0.38\n";
327     # 0 days and 0 hours
328     #my($uptime) = " 4:48pm up 30 min(s), 201 users, load average: 0.33, 0.35, 0.38\n";
329     # 0 hours and 0 mins
330     #my($uptime) = " 4:48pm up 49 day(s), 201 users, load average: 0.33, 0.35, 0.38\n";
331    
332 tdb 1.21 # grab the uptime
333 tdb 1.17 my($uptime) = `$uptimebin`;
334 pjm2 1.29
335 tdb 1.39 if($ostype ne "FreeBSD") {
336     &print_pair(0, "packet.load.load1", $uptime =~ /load average.?:\s*([^\s]+?),/);
337     &print_pair(0, "packet.load.load5", $uptime =~ /load average.?:\s*.+?,\s*([^\s]+?),/);
338     &print_pair(0, "packet.load.load15", $uptime =~ /load average.?:\s*.+?,\s*.+?,\s*([^\s]+)/);
339     }
340 tdb 1.21
341     # work out the days, hours, and minutes
342 tdb 1.28
343     if ($uptime =~ /day.*,\s+([0-9]+):([0-9]+)/) {
344     # normal
345 tdb 1.34 $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+):([0-9]+)/;
346 tdb 1.28 $uptime = "$1:$2:$3";
347     }
348     else {
349     if ($uptime =~ /day/) {
350     if ($uptime =~ /hr/) {
351     # 0 minutes
352 tdb 1.34 $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
353 tdb 1.28 $uptime = "$1:$2:0";
354     }
355     elsif ($uptime =~ /min/) {
356     # 0 hours
357 tdb 1.34 $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
358 tdb 1.28 $uptime = "$1:0:$2";
359     }
360     else {
361     # 0 hours and 0 mins
362     $uptime =~ /up\s+([0-9]+)/;
363     $uptime = "$1:0:0";
364     }
365 tdb 1.27 }
366 tdb 1.28 elsif ($uptime =~ /hr/) {
367 tdb 1.27 # 0 days and 0 minutes
368     $uptime =~ /up\s+([0-9]+)\s+/;
369     $uptime = "0:$1:0";
370     }
371 tdb 1.28 elsif ($uptime =~ /min/) {
372 tdb 1.27 # 0 days and 0 hours
373     $uptime =~ /up\s+([0-9]+)\s+/;
374     $uptime = "0:0:$1";
375     }
376     else {
377 tdb 1.28 # 0 days
378     $uptime =~ /up\s+([0-9]+):([0-9]+)/;
379     $uptime = "0:$1:$2";
380 tdb 1.27 }
381 tdb 1.21 }
382    
383 tdb 1.28 # turn into seconds
384 tdb 1.21 $uptime =~ /([0-9]+):([0-9]+):([0-9]+)/;
385 tdb 1.28 $uptime = ($3+($2+($1*24))*60)*60;
386    
387     # print the value out
388 pjm2 1.25 &print_pair("unknown", "packet.os.uptime", $uptime);
389 tdb 1.17
390 pjm2 1.18 }