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Commit | Line | Data |
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776de3bc | 1 | #!/usr/bin/perl |
aff192e6 DM |
2 | |
3 | use strict; | |
776de3bc | 4 | use warnings; |
aff192e6 DM |
5 | use File::Sync; |
6 | use Time::HiRes qw( usleep ualarm gettimeofday tv_interval ); | |
7 | use Net::DNS::Resolver; | |
8 | ||
9 | if ($#ARGV >= 1) { | |
10 | print STDERR "usage: $0 [PATH]\n"; | |
11 | exit -1; | |
12 | } | |
13 | ||
14 | my $path = $ARGV[0] || '/'; | |
15 | ||
16 | sub drop_cache { | |
17 | ||
18 | # free pagecache,dentries,inode cache | |
19 | if (-f '/proc/sys/vm/drop_caches') { | |
20 | system ("echo 3 > /proc/sys/vm/drop_caches"); | |
21 | } | |
22 | } | |
23 | ||
24 | sub test_bogomips { | |
25 | my $bogomips = 0; | |
26 | ||
27 | open (TMP, "/proc/cpuinfo"); | |
28 | ||
29 | while (my $line = <TMP>) { | |
30 | if ($line =~ m/^bogomips\s*:\s*(\d+\.\d+)\s*$/) { | |
31 | $bogomips += $1; | |
32 | } | |
33 | } | |
34 | ||
35 | close (TMP); | |
36 | ||
37 | printf "CPU BOGOMIPS: %.2f\n", $bogomips; | |
38 | } | |
39 | ||
40 | sub test_regex { | |
41 | ||
42 | my $starttime = [gettimeofday]; | |
43 | ||
44 | my $count = 0; | |
45 | my $elapsed = 0; | |
46 | ||
47 | for (;; $count++) { | |
48 | ||
49 | my $str = int(rand(1000000)) . time(); | |
50 | if ($str =~ m/(.+)123.?123/) { | |
51 | } | |
52 | $elapsed = tv_interval ($starttime); | |
53 | ||
54 | last if $elapsed > 3; | |
55 | } | |
56 | ||
57 | printf "REGEX/SECOND: %d\n", $count; | |
58 | } | |
59 | ||
60 | sub test_fsync { | |
61 | my $basedir = shift; | |
62 | ||
63 | drop_cache (); | |
64 | ||
65 | my $dir = "$basedir/ptest.$$"; | |
66 | ||
67 | eval { | |
68 | ||
69 | mkdir $dir; | |
70 | ||
71 | my $data = ('A' x 4000) . "\n"; | |
72 | ||
73 | my $starttime = [gettimeofday]; | |
74 | ||
75 | my $count; | |
76 | my $elapsed = 0; | |
77 | ||
78 | for ($count=1;;$count++) { | |
79 | my $m = $count % 300; | |
80 | ||
81 | my $filename = "$dir/tf_$m.dat"; | |
82 | ||
83 | open (TMP, ">$filename") || die "open failed"; | |
84 | ||
85 | print TMP $data; | |
86 | ||
87 | File::Sync::fsync (\*TMP); | |
88 | ||
89 | close (TMP); | |
90 | ||
91 | $elapsed = tv_interval ($starttime); | |
92 | ||
93 | last if $elapsed > 3; | |
94 | } | |
95 | my $sps = $count /$elapsed; # fsync per second | |
96 | ||
97 | printf "FSYNCS/SECOND: %.2f\n", $sps; | |
98 | }; | |
99 | ||
100 | my $err = $@; | |
101 | ||
102 | system ("rm -rf $dir"); | |
103 | ||
104 | die $err if $err; | |
105 | } | |
106 | ||
107 | sub test_seektime { | |
108 | my ($rootdev, $hdsize) = @_; | |
109 | ||
110 | drop_cache (); | |
111 | ||
112 | open (ROOTHD, "<$rootdev") || die "unable to open HD"; | |
113 | ||
114 | my $starttime = [gettimeofday]; | |
115 | my $count; | |
116 | my $elapsed = 0; | |
117 | my $readbuf; | |
118 | ||
119 | for ($count=1;;$count++) { | |
120 | ||
121 | my $pos = int (rand (int($hdsize/512))) * 512; | |
122 | ||
123 | sysseek (ROOTHD, $pos, 0); | |
124 | ||
125 | (sysread (ROOTHD, $readbuf, 512) == 512) || die "read failed"; | |
126 | ||
127 | $elapsed = tv_interval ($starttime); | |
128 | ||
129 | last if $elapsed > 3; | |
130 | } | |
131 | ||
132 | close (ROOTHD); | |
133 | ||
134 | my $rps = $count /$elapsed; # blocks per second | |
135 | my $ast = (1000/$rps); | |
136 | printf "AVERAGE SEEK TIME: %.2f ms\n", $ast; | |
137 | } | |
138 | ||
139 | sub test_read { | |
140 | my $rootdev = shift; | |
141 | ||
142 | drop_cache (); | |
143 | ||
144 | my $starttime = [gettimeofday]; | |
145 | my $bytes = 0; | |
146 | my $elapsed = 0; | |
147 | my $readbuf; | |
148 | ||
149 | ||
150 | open (ROOTHD, "<$rootdev") || die "unable to open HD"; | |
151 | ||
152 | ||
153 | for (;;) { | |
154 | ||
155 | my $c = sysread (ROOTHD, $readbuf, 2 * 1024 *1024); | |
156 | die "read failed" if $c < 0; | |
157 | ||
158 | $bytes += $c; | |
159 | ||
160 | $elapsed = tv_interval ($starttime); | |
161 | ||
162 | last if $elapsed > 3; | |
163 | } | |
164 | ||
165 | close (ROOTHD); | |
166 | ||
167 | my $bps = $bytes /($elapsed * 1024 * 1024); # MB per second | |
168 | printf "BUFFERED READS: %.2f MB/sec\n", $bps; | |
169 | } | |
170 | ||
171 | sub get_address { | |
172 | my ($resolv, $dns) = @_; | |
173 | ||
174 | if (my $a = $resolv->send ($dns, 'A')) { | |
175 | foreach my $rra ($a->answer) { | |
176 | if ($rra->type eq 'A') { | |
177 | return $rra->address; | |
178 | } | |
179 | } | |
180 | } | |
181 | ||
182 | return undef; | |
183 | } | |
184 | ||
185 | sub test_dns { | |
186 | ||
187 | my %dnsargs = ( | |
188 | tcp_timeout => 10, | |
189 | udp_timeout => 10, | |
190 | retry => 1, | |
191 | retrans => 0, | |
192 | dnsrch => 0, | |
193 | defnames => 0, | |
194 | debug => 0, | |
195 | ); | |
196 | ||
197 | #$dnsargs{nameservers} = [ qw (208.67.222.222) ]; | |
198 | #$dnsargs{nameservers} = [ qw (127.0.0.1) ]; | |
199 | ||
200 | my $resolv = Net::DNS::Resolver->new (%dnsargs); | |
201 | ||
202 | my $starttime = [gettimeofday]; | |
203 | ||
204 | my $count; | |
205 | my $elapsed = 0; | |
206 | ||
207 | my $uid = time() . int(rand(1000000)); | |
208 | my $domain = "nonexistent$uid.com"; | |
209 | ||
210 | for ($count=1;;$count++) { | |
211 | ||
212 | my $hid = int(rand(1000000)); | |
213 | my $hname = "test${hid}.$domain"; | |
214 | get_address ($resolv, $hname); | |
215 | $elapsed = tv_interval ($starttime); | |
216 | ||
217 | last if ($count > 100) || ($elapsed > 3); | |
218 | } | |
219 | ||
220 | printf "DNS EXT: %0.2f ms\n", ($elapsed * 1000)/$count; | |
221 | ||
222 | my $resolv_conf = `cat /etc/resolv.conf`; | |
223 | ($domain) = $resolv_conf =~ m/^search\s+(\S+)\s*$/mg; | |
224 | ||
225 | if ($domain) { | |
226 | $starttime = [gettimeofday]; | |
227 | $elapsed = 0; | |
228 | ||
229 | for ($count=1;;$count++) { | |
230 | ||
231 | my $hid = int(rand(1000000)); | |
232 | my $hname = "test${hid}.$domain"; | |
233 | get_address ($resolv, $hname); | |
234 | $elapsed = tv_interval ($starttime); | |
235 | ||
236 | last if ($count > 100) || ($elapsed > 3); | |
237 | } | |
238 | ||
239 | printf "DNS INT: %0.2f ms (%s)\n", | |
240 | ($elapsed * 1000)/ $count, $domain; | |
241 | } | |
242 | } | |
243 | ||
244 | test_bogomips (); | |
245 | test_regex (); | |
246 | ||
247 | my $hd = `df -P '$path'`; | |
248 | ||
249 | my ($rootdev, $hdo_total, $hdo_used, $hdo_avail) = $hd =~ | |
250 | m/^(\S+)\s+(\d+)\s+(\d+)\s+(\d+)\s+\S+\s+.*$/mg; | |
251 | ||
252 | if ($rootdev) { | |
253 | my $hdsize = $hdo_total*1024; | |
254 | printf "HD SIZE: %.2f GB ($rootdev)\n", ($hdsize / (1024*1024*1024)); | |
255 | ||
256 | if ($rootdev =~ m|^/dev/|) { | |
257 | test_read ($rootdev); | |
258 | ||
259 | test_seektime ($rootdev, $hdsize); | |
260 | ||
261 | } | |
262 | } | |
263 | ||
264 | test_fsync ($path) if $hdo_avail; | |
265 | ||
266 | test_dns (); | |
267 | ||
268 | exit (0); |