Commit | Line | Data |
88cb3de1 |
1 | #!./perl -w |
2 | |
dcf686c9 |
3 | BEGIN { |
3f2ee006 |
4 | if ($ENV{PERL_CORE}) { |
5 | chdir 't' if -d 't'; |
6 | @INC = '../lib'; |
df2f6354 |
7 | require Config; import Config; |
8 | if (" $Config{'extensions'} " !~ m[ Time/HiRes ]) { |
9 | print "1..0 # Skip -- Perl configured without Time::HiRes module\n"; |
10 | exit 0; |
11 | } |
3f2ee006 |
12 | } |
dcf686c9 |
13 | } |
14 | |
3d0346a5 |
15 | BEGIN { $| = 1; print "1..29\n"; } |
dcf686c9 |
16 | |
0cf8ddea |
17 | END { print "not ok 1\n" unless $loaded } |
dcf686c9 |
18 | |
19 | use Time::HiRes qw(tv_interval); |
20 | |
21 | $loaded = 1; |
22 | |
23 | print "ok 1\n"; |
24 | |
25 | use strict; |
26 | |
27 | my $have_gettimeofday = defined &Time::HiRes::gettimeofday; |
28 | my $have_usleep = defined &Time::HiRes::usleep; |
44d3ce20 |
29 | my $have_nanosleep = defined &Time::HiRes::nanosleep; |
dcf686c9 |
30 | my $have_ualarm = defined &Time::HiRes::ualarm; |
c9ff6e92 |
31 | my $have_time = defined &Time::HiRes::time; |
dcf686c9 |
32 | |
3d0346a5 |
33 | printf "# have_gettimeofday = %d\n", $have_gettimeofday; |
34 | printf "# have_usleep = %d\n", $have_usleep; |
35 | printf "# have_nanosleep = %d\n", $have_nanosleep; |
36 | printf "# have_ualarm = %d\n", $have_ualarm; |
37 | printf "# have_time = %d\n", $have_time; |
38 | |
dcf686c9 |
39 | import Time::HiRes 'gettimeofday' if $have_gettimeofday; |
40 | import Time::HiRes 'usleep' if $have_usleep; |
44d3ce20 |
41 | import Time::HiRes 'nanosleep' if $have_nanosleep; |
dcf686c9 |
42 | import Time::HiRes 'ualarm' if $have_ualarm; |
43 | |
3c72ec00 |
44 | use Config; |
45 | |
690f7c5f |
46 | my $have_alarm = $Config{d_alarm}; |
47 | my $have_fork = $Config{d_fork}; |
3d0346a5 |
48 | my $waitfor = 60; # 10-20 seconds is normal (load affects this). |
49 | my $timer_pid; |
690f7c5f |
50 | |
51 | if ($have_fork) { |
3d0346a5 |
52 | print "# I am the main process $$, starting the timer process...\n"; |
53 | $timer_pid = fork(); |
54 | if (defined $timer_pid) { |
55 | if ($timer_pid == 0) { # We are the kid, set up the timer. |
56 | print "# I am the timer process $$, sleeping for $waitfor seconds...\n"; |
690f7c5f |
57 | sleep($waitfor); |
3d0346a5 |
58 | warn "\n$0: overall time allowed for tests (${waitfor}s) exceeded!\n"; |
59 | print "# Terminating the main process...\n"; |
690f7c5f |
60 | kill('TERM', getppid()); |
3d0346a5 |
61 | print "# This is the timer process $$, over and out.\n"; |
690f7c5f |
62 | exit(0); |
3d0346a5 |
63 | } else { |
64 | print "# Timer process $timer_pid launched, continuing testing...\n"; |
690f7c5f |
65 | } |
66 | } else { |
67 | warn "$0: fork failed: $!\n"; |
68 | } |
69 | } else { |
3d0346a5 |
70 | print "# No timer process (need fork)\n"; |
690f7c5f |
71 | } |
72 | |
12724655 |
73 | my $xdefine = ''; |
3f2ee006 |
74 | |
75 | if (open(XDEFINE, "xdefine")) { |
76 | chomp($xdefine = <XDEFINE>); |
77 | close(XDEFINE); |
78 | } |
79 | |
0740bb5b |
80 | # Ideally, we'd like to test that the timers are rather precise. |
81 | # However, if the system is busy, there are no guarantees on how |
82 | # quickly we will return. This limit used to be 10%, but that |
83 | # was occasionally triggered falsely. |
84 | # Try 20%. |
85 | # Another possibility might be to print "ok" if the test completes fine |
86 | # with (say) 10% slosh, "skip - system may have been busy?" if the test |
87 | # completes fine with (say) 30% slosh, and fail otherwise. If you do that, |
88 | # consider changing over to test.pl at the same time. |
89 | # --A.D., Nov 27, 2001 |
90 | my $limit = 0.20; # 20% is acceptable slosh for testing timers |
91 | |
dcf686c9 |
92 | sub skip { |
3f2ee006 |
93 | map { print "ok $_ # skipped\n" } @_; |
dcf686c9 |
94 | } |
95 | |
96 | sub ok { |
97 | my ($n, $result, @info) = @_; |
98 | if ($result) { |
99 | print "ok $n\n"; |
100 | } |
101 | else { |
102 | print "not ok $n\n"; |
103 | print "# @info\n" if @info; |
104 | } |
105 | } |
106 | |
3d0346a5 |
107 | unless ($have_gettimeofday) { |
dcf686c9 |
108 | skip 2..6; |
109 | } |
110 | else { |
111 | my @one = gettimeofday(); |
112 | ok 2, @one == 2, 'gettimeofday returned ', 0+@one, ' args'; |
113 | ok 3, $one[0] > 850_000_000, "@one too small"; |
114 | |
115 | sleep 1; |
116 | |
117 | my @two = gettimeofday(); |
118 | ok 4, ($two[0] > $one[0] || ($two[0] == $one[0] && $two[1] > $one[1])), |
119 | "@two is not greater than @one"; |
120 | |
c9ff6e92 |
121 | my $f = Time::HiRes::time(); |
dcf686c9 |
122 | ok 5, $f > 850_000_000, "$f too small"; |
0740bb5b |
123 | ok 6, $f - $two[0] < 2, "$f - $two[0] >= 2"; |
dcf686c9 |
124 | } |
125 | |
3d0346a5 |
126 | unless ($have_usleep) { |
dcf686c9 |
127 | skip 7..8; |
128 | } |
129 | else { |
130 | my $one = time; |
131 | usleep(10_000); |
132 | my $two = time; |
133 | usleep(10_000); |
134 | my $three = time; |
135 | ok 7, $one == $two || $two == $three, "slept too long, $one $two $three"; |
136 | |
3d0346a5 |
137 | unless ($have_gettimeofday) { |
dcf686c9 |
138 | skip 8; |
139 | } |
140 | else { |
c9ff6e92 |
141 | my $f = Time::HiRes::time(); |
dcf686c9 |
142 | usleep(500_000); |
c9ff6e92 |
143 | my $f2 = Time::HiRes::time(); |
dcf686c9 |
144 | my $d = $f2 - $f; |
0740bb5b |
145 | ok 8, $d > 0.4 && $d < 0.9, "slept $d secs $f to $f2"; |
dcf686c9 |
146 | } |
147 | } |
148 | |
149 | # Two-arg tv_interval() is always available. |
150 | { |
151 | my $f = tv_interval [5, 100_000], [10, 500_000]; |
6cf89afa |
152 | ok 9, abs($f - 5.4) < 0.001, $f; |
dcf686c9 |
153 | } |
154 | |
3d0346a5 |
155 | unless ($have_gettimeofday) { |
dcf686c9 |
156 | skip 10; |
157 | } |
158 | else { |
159 | my $r = [gettimeofday()]; |
160 | my $f = tv_interval $r; |
161 | ok 10, $f < 2, $f; |
162 | } |
163 | |
3d0346a5 |
164 | unless ($have_usleep && $have_gettimeofday) { |
dcf686c9 |
165 | skip 11; |
166 | } |
167 | else { |
168 | my $r = [gettimeofday()]; |
dcf686c9 |
169 | Time::HiRes::sleep( 0.5 ); |
170 | my $f = tv_interval $r; |
0740bb5b |
171 | ok 11, $f > 0.4 && $f < 0.9, "slept $f instead of 0.5 secs."; |
dcf686c9 |
172 | } |
173 | |
3d0346a5 |
174 | unless ($have_ualarm && $have_alarm) { |
dcf686c9 |
175 | skip 12..13; |
176 | } |
177 | else { |
178 | my $tick = 0; |
64a7a97c |
179 | local $SIG{ ALRM } = sub { $tick++ }; |
dcf686c9 |
180 | |
64a7a97c |
181 | my $one = time; $tick = 0; ualarm(10_000); while ($tick == 0) { } |
182 | my $two = time; $tick = 0; ualarm(10_000); while ($tick == 0) { } |
dcf686c9 |
183 | my $three = time; |
184 | ok 12, $one == $two || $two == $three, "slept too long, $one $two $three"; |
64a7a97c |
185 | print "# tick = $tick, one = $one, two = $two, three = $three\n"; |
dcf686c9 |
186 | |
64a7a97c |
187 | $tick = 0; ualarm(10_000, 10_000); while ($tick < 3) { } |
dcf686c9 |
188 | ok 13, 1; |
189 | ualarm(0); |
64a7a97c |
190 | print "# tick = $tick, one = $one, two = $two, three = $three\n"; |
dcf686c9 |
191 | } |
192 | |
64a7a97c |
193 | # Did we even get close? |
dcf686c9 |
194 | |
3d0346a5 |
195 | unless ($have_time) { |
64a7a97c |
196 | skip 14; |
c9ff6e92 |
197 | } else { |
1fbb4de4 |
198 | my ($s, $n, $i) = (0); |
199 | for $i (1 .. 100) { |
456811e8 |
200 | $s += Time::HiRes::time() - time(); |
201 | $n++; |
64cc9c1c |
202 | } |
456811e8 |
203 | # $s should be, at worst, equal to $n |
204 | # (time() may be rounding down, up, or closest) |
205 | ok 14, abs($s) / $n <= 1.0, "Time::HiRes::time() not close to time()"; |
206 | print "# s = $s, n = $n, s/n = ", $s/$n, "\n"; |
dcf686c9 |
207 | } |
208 | |
3f2ee006 |
209 | my $has_ualarm = $Config{d_ualarm}; |
210 | |
211 | $has_ualarm ||= $xdefine =~ /-DHAS_UALARM/; |
212 | |
213 | unless ( defined &Time::HiRes::gettimeofday |
dcf686c9 |
214 | && defined &Time::HiRes::ualarm |
c7f7de79 |
215 | && defined &Time::HiRes::usleep |
3f2ee006 |
216 | && $has_ualarm) { |
dcf686c9 |
217 | for (15..17) { |
3f2ee006 |
218 | print "ok $_ # Skip: no gettimeofday or no ualarm or no usleep\n"; |
dcf686c9 |
219 | } |
220 | } else { |
221 | use Time::HiRes qw (time alarm sleep); |
222 | |
cb203acc |
223 | my ($f, $r, $i, $not, $ok); |
dcf686c9 |
224 | |
dcf686c9 |
225 | $f = time; |
add58217 |
226 | print "# time...$f\n"; |
227 | print "ok 15\n"; |
dcf686c9 |
228 | |
c9ff6e92 |
229 | $r = [Time::HiRes::gettimeofday()]; |
dcf686c9 |
230 | sleep (0.5); |
add58217 |
231 | print "# sleep...", Time::HiRes::tv_interval($r), "\nok 16\n"; |
dcf686c9 |
232 | |
c9ff6e92 |
233 | $r = [Time::HiRes::gettimeofday()]; |
dcf686c9 |
234 | $i = 5; |
235 | $SIG{ALRM} = "tick"; |
6ea166ef |
236 | while ($i > 0) |
dcf686c9 |
237 | { |
0e172911 |
238 | alarm(0.3); |
c7f7de79 |
239 | select (undef, undef, undef, 3); |
240 | my $ival = Time::HiRes::tv_interval ($r); |
241 | print "# Select returned! $i $ival\n"; |
cb203acc |
242 | print "# ", abs($ival/3 - 1), "\n"; |
243 | # Whether select() gets restarted after signals is |
244 | # implementation dependent. If it is restarted, we |
245 | # will get about 3.3 seconds: 3 from the select, 0.3 |
246 | # from the alarm. If this happens, let's just skip |
247 | # this particular test. --jhi |
248 | if (abs($ival/3.3 - 1) < $limit) { |
3f2ee006 |
249 | $ok = "Skip: your select() may get restarted by your SIGALRM (or just retry test)"; |
cb203acc |
250 | undef $not; |
251 | last; |
252 | } |
c7f7de79 |
253 | my $exp = 0.3 * (5 - $i); |
0740bb5b |
254 | # This test is more sensitive, so impose a softer limit. |
cb203acc |
255 | if (abs($ival/$exp - 1) > 3*$limit) { |
0740bb5b |
256 | my $ratio = abs($ival/$exp); |
257 | $not = "while: $exp sleep took $ival ratio $ratio"; |
c7f7de79 |
258 | last; |
259 | } |
cb203acc |
260 | $ok = $i; |
dcf686c9 |
261 | } |
262 | |
263 | sub tick |
264 | { |
dcf686c9 |
265 | $i--; |
c7f7de79 |
266 | my $ival = Time::HiRes::tv_interval ($r); |
267 | print "# Tick! $i $ival\n"; |
268 | my $exp = 0.3 * (5 - $i); |
0740bb5b |
269 | # This test is more sensitive, so impose a softer limit. |
cb203acc |
270 | if (abs($ival/$exp - 1) > 3*$limit) { |
0740bb5b |
271 | my $ratio = abs($ival/$exp); |
272 | $not = "tick: $exp sleep took $ival ratio $ratio"; |
c7f7de79 |
273 | $i = 0; |
274 | } |
dcf686c9 |
275 | } |
c7f7de79 |
276 | |
d0b83b2b |
277 | alarm(0); # can't cancel usig %SIG |
dcf686c9 |
278 | |
cb203acc |
279 | print $not ? "not ok 17 # $not\n" : "ok 17 # $ok\n"; |
dcf686c9 |
280 | } |
281 | |
3f2ee006 |
282 | unless ( defined &Time::HiRes::setitimer |
3c72ec00 |
283 | && defined &Time::HiRes::getitimer |
3f2ee006 |
284 | && eval 'Time::HiRes::ITIMER_VIRTUAL' |
d0b83b2b |
285 | && $Config{d_select} |
286 | && $Config{sig_name} =~ m/\bVTALRM\b/) { |
3c72ec00 |
287 | for (18..19) { |
0e172911 |
288 | print "ok $_ # Skip: no virtual interval timers\n"; |
3c72ec00 |
289 | } |
290 | } else { |
291 | use Time::HiRes qw (setitimer getitimer ITIMER_VIRTUAL); |
292 | |
293 | my $i = 3; |
c9ff6e92 |
294 | my $r = [Time::HiRes::gettimeofday()]; |
3c72ec00 |
295 | |
296 | $SIG{VTALRM} = sub { |
297 | $i ? $i-- : setitimer(ITIMER_VIRTUAL, 0); |
298 | print "# Tick! $i ", Time::HiRes::tv_interval($r), "\n"; |
299 | }; |
300 | |
0e172911 |
301 | print "# setitimer: ", join(" ", setitimer(ITIMER_VIRTUAL, 0.5, 0.4)), "\n"; |
302 | |
0740bb5b |
303 | # Assume interval timer granularity of $limit * 0.5 seconds. Too bold? |
4ed0e2d4 |
304 | my $virt = getitimer(ITIMER_VIRTUAL); |
305 | print "not " unless defined $virt && abs($virt / 0.5) - 1 < $limit; |
0e172911 |
306 | print "ok 18\n"; |
3c72ec00 |
307 | |
308 | print "# getitimer: ", join(" ", getitimer(ITIMER_VIRTUAL)), "\n"; |
309 | |
1c41c9bf |
310 | while (getitimer(ITIMER_VIRTUAL)) { |
3f2ee006 |
311 | my $j; |
312 | for (1..1000) { $j++ } # Can't be unbreakable, must test getitimer(). |
3c72ec00 |
313 | } |
314 | |
315 | print "# getitimer: ", join(" ", getitimer(ITIMER_VIRTUAL)), "\n"; |
316 | |
4ed0e2d4 |
317 | $virt = getitimer(ITIMER_VIRTUAL); |
318 | print "not " unless defined $virt && $virt == 0; |
0e172911 |
319 | print "ok 19\n"; |
320 | |
3c72ec00 |
321 | $SIG{VTALRM} = 'DEFAULT'; |
322 | } |
323 | |
9c735d59 |
324 | if ($have_gettimeofday) { |
325 | my ($t0, $td); |
52d72fba |
326 | |
9c735d59 |
327 | my $sleep = 1.5; # seconds |
9c735d59 |
328 | my $msg; |
329 | |
330 | $t0 = gettimeofday(); |
331 | $a = abs(sleep($sleep) / $sleep - 1.0); |
332 | $td = gettimeofday() - $t0; |
0740bb5b |
333 | my $ratio = 1.0 + $a; |
9c735d59 |
334 | |
0740bb5b |
335 | $msg = "$td went by while sleeping $sleep, ratio $ratio.\n"; |
9c735d59 |
336 | |
337 | if ($td < $sleep * (1 + $limit)) { |
338 | print $a < $limit ? "ok 20 # $msg" : "not ok 20 # $msg"; |
339 | } else { |
340 | print "ok 20 # Skip: $msg"; |
341 | } |
342 | |
343 | $t0 = gettimeofday(); |
344 | $a = abs(usleep($sleep * 1E6) / ($sleep * 1E6) - 1.0); |
345 | $td = gettimeofday() - $t0; |
0740bb5b |
346 | $ratio = 1.0 + $a; |
9c735d59 |
347 | |
0740bb5b |
348 | $msg = "$td went by while sleeping $sleep, ratio $ratio.\n"; |
9c735d59 |
349 | |
350 | if ($td < $sleep * (1 + $limit)) { |
351 | print $a < $limit ? "ok 21 # $msg" : "not ok 21 # $msg"; |
352 | } else { |
353 | print "ok 21 # Skip: $msg"; |
354 | } |
355 | |
356 | } else { |
357 | for (20..21) { |
358 | print "ok $_ # Skip: no gettimeofday\n"; |
359 | } |
360 | } |
52d72fba |
361 | |
3d0346a5 |
362 | unless ($have_nanosleep) { |
44d3ce20 |
363 | skip 22..23; |
364 | } |
365 | else { |
366 | my $one = CORE::time; |
367 | nanosleep(10_000_000); |
368 | my $two = CORE::time; |
369 | nanosleep(10_000_000); |
370 | my $three = CORE::time; |
371 | ok 22, $one == $two || $two == $three, "slept too long, $one $two $three"; |
372 | |
3d0346a5 |
373 | unless ($have_gettimeofday) { |
44d3ce20 |
374 | skip 23; |
375 | } |
376 | else { |
377 | my $f = Time::HiRes::time(); |
378 | nanosleep(500_000_000); |
379 | my $f2 = Time::HiRes::time(); |
380 | my $d = $f2 - $f; |
381 | ok 23, $d > 0.4 && $d < 0.9, "slept $d secs $f to $f2"; |
382 | } |
383 | } |
384 | |
f7916ddb |
385 | eval { sleep(-1) }; |
386 | print $@ =~ /::sleep\(-1\): negative time not invented yet/ ? |
44d3ce20 |
387 | "ok 24\n" : "not ok 24\n"; |
f7916ddb |
388 | |
389 | eval { usleep(-2) }; |
390 | print $@ =~ /::usleep\(-2\): negative time not invented yet/ ? |
44d3ce20 |
391 | "ok 25\n" : "not ok 25\n"; |
f7916ddb |
392 | |
ec77158c |
393 | if ($have_ualarm) { |
c46d5038 |
394 | eval { alarm(-3) }; |
395 | print $@ =~ /::alarm\(-3, 0\): negative time not invented yet/ ? |
44d3ce20 |
396 | "ok 26\n" : "not ok 26\n"; |
c46d5038 |
397 | |
ec77158c |
398 | eval { ualarm(-4) }; |
399 | print $@ =~ /::ualarm\(-4, 0\): negative time not invented yet/ ? |
44d3ce20 |
400 | "ok 27\n" : "not ok 27\n"; |
401 | } else { |
402 | skip 26; |
403 | skip 27; |
404 | } |
405 | |
406 | if ($have_nanosleep) { |
407 | eval { nanosleep(-5) }; |
408 | print $@ =~ /::nanosleep\(-5\): negative time not invented yet/ ? |
409 | "ok 28\n" : "not ok 28\n"; |
ec77158c |
410 | } else { |
44d3ce20 |
411 | skip 28; |
ec77158c |
412 | } |
690f7c5f |
413 | |
3d0346a5 |
414 | if ($have_ualarm && $] >= 5.008001) { |
415 | # http://groups.google.com/group/perl.perl5.porters/browse_thread/thread/adaffaaf939b042e/20dafc298df737f0%2320dafc298df737f0?sa=X&oi=groupsr&start=0&num=3 |
416 | # Perl changes [18765] and [18770], perl bug [perl #20920] |
417 | use Time::HiRes qw(alarm); |
418 | $SIG{ALRM} = sub { 1 for 1..100000 }; |
419 | alarm(0.01, 0.01); |
420 | sleep(1); |
421 | print "ok 29\n"; # Not core dumping by now is considered to be the success. |
422 | } else { |
423 | skip 29; |
424 | } |
425 | |
426 | END { |
427 | if (defined $timer_pid) { |
428 | print "# I am the main process $$, terminating the timer process $timer_pid.\n"; |
429 | kill('TERM', $timer_pid); # We are done, the timer can go. |
430 | unlink("ktrace.out"); # Used in BSD system call tracing. |
431 | print "# All done.\n"; |
432 | } |
690f7c5f |
433 | } |
434 | |