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Commit | Line | Data |
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efd04666 DM |
1 | package PVE::Service::pvestatd; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use PVE::SafeSyslog; | |
7 | use PVE::Daemon; | |
8 | ||
9 | use Time::HiRes qw (gettimeofday); | |
10 | use PVE::Tools qw(dir_glob_foreach file_read_firstline); | |
11 | use PVE::ProcFSTools; | |
41db757b | 12 | use PVE::CpuSet; |
efd04666 DM |
13 | use Filesys::Df; |
14 | use PVE::INotify; | |
0fcced16 | 15 | use PVE::Network; |
efd04666 DM |
16 | use PVE::Cluster qw(cfs_read_file); |
17 | use PVE::Storage; | |
18 | use PVE::QemuServer; | |
19 | use PVE::LXC; | |
41db757b | 20 | use PVE::LXC::Config; |
efd04666 DM |
21 | use PVE::RPCEnvironment; |
22 | use PVE::API2::Subscription; | |
23 | use PVE::AutoBalloon; | |
5ea29d13 | 24 | use PVE::AccessControl; |
efd04666 DM |
25 | |
26 | use PVE::Status::Plugin; | |
27 | use PVE::Status::Graphite; | |
58541b94 | 28 | use PVE::Status::InfluxDB; |
efd04666 DM |
29 | |
30 | PVE::Status::Graphite->register(); | |
58541b94 | 31 | PVE::Status::InfluxDB->register(); |
efd04666 DM |
32 | PVE::Status::Plugin->init(); |
33 | ||
34 | use base qw(PVE::Daemon); | |
35 | ||
36 | my $opt_debug; | |
37 | my $restart_request; | |
38 | ||
39 | my $nodename = PVE::INotify::nodename(); | |
40 | ||
41 | my $cmdline = [$0, @ARGV]; | |
42 | ||
43 | my %daemon_options = (restart_on_error => 5, stop_wait_time => 5); | |
44 | my $daemon = __PACKAGE__->new('pvestatd', $cmdline, %daemon_options); | |
45 | ||
46 | sub init { | |
47 | my ($self) = @_; | |
48 | ||
49 | $opt_debug = $self->{debug}; | |
50 | ||
51 | PVE::Cluster::cfs_update(); | |
52 | } | |
53 | ||
54 | sub shutdown { | |
55 | my ($self) = @_; | |
56 | ||
57 | syslog('info' , "server closing"); | |
58 | ||
59 | # wait for children | |
60 | 1 while (waitpid(-1, POSIX::WNOHANG()) > 0); | |
61 | ||
62 | $self->exit_daemon(0); | |
63 | } | |
64 | ||
65 | sub hup { | |
66 | my ($self) = @_; | |
67 | ||
68 | $restart_request = 1; | |
69 | } | |
70 | ||
50786956 DM |
71 | my $generate_rrd_string = sub { |
72 | my ($data) = @_; | |
73 | ||
74 | return join(':', map { $_ // 'U' } @$data); | |
75 | }; | |
76 | ||
efd04666 DM |
77 | sub update_node_status { |
78 | my ($status_cfg) = @_; | |
79 | ||
80 | my ($avg1, $avg5, $avg15) = PVE::ProcFSTools::read_loadavg(); | |
81 | ||
82 | my $stat = PVE::ProcFSTools::read_proc_stat(); | |
83 | ||
84 | my $netdev = PVE::ProcFSTools::read_proc_net_dev(); | |
85 | ||
86 | my ($uptime) = PVE::ProcFSTools::read_proc_uptime(); | |
87 | ||
88 | my $cpuinfo = PVE::ProcFSTools::read_cpuinfo(); | |
89 | ||
90 | my $maxcpu = $cpuinfo->{cpus}; | |
91 | ||
92 | my $subinfo = PVE::INotify::read_file('subscription'); | |
93 | my $sublevel = $subinfo->{level} || ''; | |
94 | ||
95 | # traffic from/to physical interface cards | |
96 | my $netin = 0; | |
97 | my $netout = 0; | |
98 | foreach my $dev (keys %$netdev) { | |
0fcced16 | 99 | next if $dev !~ m/^$PVE::Network::PHYSICAL_NIC_RE$/; |
efd04666 DM |
100 | $netin += $netdev->{$dev}->{receive}; |
101 | $netout += $netdev->{$dev}->{transmit}; | |
102 | } | |
103 | ||
104 | my $meminfo = PVE::ProcFSTools::read_meminfo(); | |
105 | ||
106 | my $dinfo = df('/', 1); # output is bytes | |
107 | ||
108 | my $ctime = time(); | |
109 | ||
110 | # everything not free is considered to be used | |
111 | my $dused = $dinfo->{blocks} - $dinfo->{bfree}; | |
112 | ||
50786956 DM |
113 | my $data = $generate_rrd_string->( |
114 | [$uptime, $sublevel, $ctime, $avg1, $maxcpu, $stat->{cpu}, $stat->{wait}, | |
115 | $meminfo->{memtotal}, $meminfo->{memused}, | |
116 | $meminfo->{swaptotal}, $meminfo->{swapused}, | |
117 | $dinfo->{blocks}, $dused, $netin, $netout]); | |
efd04666 DM |
118 | |
119 | PVE::Cluster::broadcast_rrd("pve2-node/$nodename", $data); | |
120 | ||
121 | foreach my $id (keys %{$status_cfg->{ids}}) { | |
122 | my $plugin_config = $status_cfg->{ids}->{$id}; | |
123 | next if $plugin_config->{disable}; | |
124 | my $plugin = PVE::Status::Plugin->lookup($plugin_config->{type}); | |
125 | ||
126 | my $d = {}; | |
127 | $d->{uptime} = $uptime; | |
128 | $d->{cpustat} = $stat; | |
129 | $d->{cpustat}->{avg1} = $avg1; | |
130 | $d->{cpustat}->{avg5} = $avg5; | |
131 | $d->{cpustat}->{avg15} = $avg15; | |
132 | $d->{cpustat}->{cpus} = $maxcpu; | |
133 | $d->{memory} = $meminfo; | |
134 | $d->{blockstat} = $dinfo; | |
135 | $d->{nics} = $netdev; | |
136 | ||
137 | $plugin->update_node_status($plugin_config, $nodename, $d, $ctime); | |
138 | } | |
139 | } | |
140 | ||
141 | sub auto_balloning { | |
142 | my ($vmstatus) = @_; | |
143 | ||
144 | my $log = sub { | |
145 | return if !$opt_debug; | |
146 | print @_; | |
147 | }; | |
148 | ||
149 | my $hostmeminfo = PVE::ProcFSTools::read_meminfo(); | |
150 | ||
151 | # to debug, run 'pvestatd -d' and set memtotal here | |
152 | #$hostmeminfo->{memtotal} = int(2*1024*1024*1024/0.8); # you can set this to test | |
153 | ||
154 | my $hostfreemem = $hostmeminfo->{memtotal} - $hostmeminfo->{memused}; | |
155 | ||
156 | # we try to use about 80% host memory | |
157 | # goal: we want to change memory usage by this amount (positive or negative) | |
158 | my $goal = int($hostmeminfo->{memtotal}*0.8 - $hostmeminfo->{memused}); | |
159 | ||
160 | my $maxchange = 100*1024*1024; | |
161 | my $res = PVE::AutoBalloon::compute_alg1($vmstatus, $goal, $maxchange); | |
162 | ||
163 | &$log("host goal: $goal free: $hostfreemem total: $hostmeminfo->{memtotal}\n"); | |
164 | ||
165 | foreach my $vmid (keys %$vmstatus) { | |
166 | next if !$res->{$vmid}; | |
167 | my $d = $vmstatus->{$vmid}; | |
168 | my $diff = int($res->{$vmid} - $d->{balloon}); | |
169 | my $absdiff = $diff < 0 ? -$diff : $diff; | |
170 | if ($absdiff > 0) { | |
171 | &$log("BALLOON $vmid to $res->{$vmid} ($diff)\n"); | |
172 | eval { | |
173 | PVE::QemuServer::vm_mon_cmd($vmid, "balloon", | |
174 | value => int($res->{$vmid})); | |
175 | }; | |
176 | warn $@ if $@; | |
177 | } | |
178 | } | |
179 | } | |
180 | ||
181 | sub update_qemu_status { | |
182 | my ($status_cfg) = @_; | |
183 | ||
184 | my $ctime = time(); | |
185 | ||
186 | my $vmstatus = PVE::QemuServer::vmstatus(undef, 1); | |
187 | ||
188 | eval { auto_balloning($vmstatus); }; | |
189 | syslog('err', "auto ballooning error: $@") if $@; | |
190 | ||
191 | foreach my $vmid (keys %$vmstatus) { | |
192 | my $d = $vmstatus->{$vmid}; | |
193 | my $data; | |
194 | my $status = $d->{qmpstatus} || $d->{status} || 'stopped'; | |
195 | my $template = $d->{template} ? $d->{template} : "0"; | |
196 | if ($d->{pid}) { # running | |
50786956 DM |
197 | $data = $generate_rrd_string->( |
198 | [$d->{uptime}, $d->{name}, $status, $template, $ctime, $d->{cpus}, $d->{cpu}, | |
199 | $d->{maxmem}, $d->{mem}, $d->{maxdisk}, $d->{disk}, | |
200 | $d->{netin}, $d->{netout}, $d->{diskread}, $d->{diskwrite}]); | |
efd04666 | 201 | } else { |
50786956 DM |
202 | $data = $generate_rrd_string->( |
203 | [0, $d->{name}, $status, $template, $ctime, $d->{cpus}, undef, | |
204 | $d->{maxmem}, undef, $d->{maxdisk}, $d->{disk}, undef, undef, undef, undef]); | |
efd04666 DM |
205 | } |
206 | PVE::Cluster::broadcast_rrd("pve2.3-vm/$vmid", $data); | |
207 | ||
208 | foreach my $id (keys %{$status_cfg->{ids}}) { | |
209 | my $plugin_config = $status_cfg->{ids}->{$id}; | |
210 | next if $plugin_config->{disable}; | |
211 | my $plugin = PVE::Status::Plugin->lookup($plugin_config->{type}); | |
09f19204 | 212 | $plugin->update_qemu_status($plugin_config, $vmid, $d, $ctime, $nodename); |
efd04666 DM |
213 | } |
214 | } | |
215 | } | |
216 | ||
217 | sub remove_stale_lxc_consoles { | |
218 | ||
219 | my $vmstatus = PVE::LXC::vmstatus(); | |
220 | my $pidhash = PVE::LXC::find_lxc_console_pids(); | |
221 | ||
222 | foreach my $vmid (keys %$pidhash) { | |
223 | next if defined($vmstatus->{$vmid}); | |
224 | syslog('info', "remove stale lxc-console for CT $vmid"); | |
225 | foreach my $pid (@{$pidhash->{$vmid}}) { | |
226 | kill(9, $pid); | |
227 | } | |
228 | } | |
229 | } | |
230 | ||
b3f1adb2 DM |
231 | my $rebalance_error_count = {}; |
232 | ||
41db757b | 233 | sub rebalance_lxc_containers { |
41db757b DM |
234 | |
235 | return if !-d '/sys/fs/cgroup/cpuset/lxc'; # nothing to do... | |
236 | ||
237 | my $all_cpus = PVE::CpuSet->new_from_cgroup('lxc', 'effective_cpus'); | |
238 | my @allowed_cpus = $all_cpus->members(); | |
239 | my $cpucount = scalar(@allowed_cpus); | |
127470f4 | 240 | my $max_cpuid = $allowed_cpus[-1]; |
41db757b | 241 | |
127470f4 | 242 | my @cpu_ctcount = (0) x ($max_cpuid+1); |
41db757b DM |
243 | my @balanced_cts; |
244 | ||
0b959507 DM |
245 | my $modify_cpuset = sub { |
246 | my ($vmid, $cpuset, $newset) = @_; | |
247 | ||
b3f1adb2 DM |
248 | if (!$rebalance_error_count->{$vmid}) { |
249 | syslog('info', "modified cpu set for lxc/$vmid: " . | |
250 | $newset->short_string()); | |
251 | } | |
252 | ||
0b959507 | 253 | eval { |
cbce367d DM |
254 | |
255 | if (-d "/sys/fs/cgroup/cpuset/lxc/$vmid/ns") { | |
256 | # allow all, so that we can set new cpuset in /ns | |
257 | $all_cpus->write_to_cgroup("lxc/$vmid"); | |
258 | eval { | |
259 | $newset->write_to_cgroup("lxc/$vmid/ns"); | |
260 | }; | |
261 | if (my $err = $@) { | |
262 | warn $err if !$rebalance_error_count->{$vmid}++; | |
263 | # restore original | |
264 | $cpuset->write_to_cgroup("lxc/$vmid"); | |
265 | } else { | |
266 | # also apply to container root cgroup | |
267 | $newset->write_to_cgroup("lxc/$vmid"); | |
268 | $rebalance_error_count->{$vmid} = 0; | |
269 | } | |
0b959507 | 270 | } else { |
cbce367d | 271 | # old style container |
0b959507 | 272 | $newset->write_to_cgroup("lxc/$vmid"); |
b3f1adb2 | 273 | $rebalance_error_count->{$vmid} = 0; |
0b959507 DM |
274 | } |
275 | }; | |
b3f1adb2 DM |
276 | if (my $err = $@) { |
277 | warn $err if !$rebalance_error_count->{$vmid}++; | |
278 | } | |
0b959507 DM |
279 | }; |
280 | ||
e0dc09ad DM |
281 | my $ctlist = PVE::LXC::config_list(); |
282 | ||
283 | foreach my $vmid (sort keys %$ctlist) { | |
284 | next if ! -d "/sys/fs/cgroup/cpuset/lxc/$vmid"; | |
41db757b DM |
285 | |
286 | my ($conf, $cpuset); | |
287 | eval { | |
288 | ||
289 | $conf = PVE::LXC::Config->load_config($vmid); | |
290 | ||
291 | $cpuset = PVE::CpuSet->new_from_cgroup("lxc/$vmid"); | |
292 | }; | |
293 | if (my $err = $@) { | |
294 | warn $err; | |
295 | next; | |
296 | } | |
297 | ||
298 | my @cpuset_members = $cpuset->members(); | |
299 | ||
8b750abc | 300 | if (!PVE::LXC::Config->has_lxc_entry($conf, 'lxc.cgroup.cpuset.cpus')) { |
2499255b | 301 | |
8b750abc DM |
302 | my $cores = $conf->{cores} || $cpucount; |
303 | $cores = $cpucount if $cores > $cpucount; | |
41db757b | 304 | |
2499255b DM |
305 | # see if the number of cores was hot-reduced or |
306 | # hasn't been enacted at all yet | |
307 | my $newset = PVE::CpuSet->new(); | |
308 | if ($cores < scalar(@cpuset_members)) { | |
309 | for (my $i = 0; $i < $cores; $i++) { | |
310 | $newset->insert($cpuset_members[$i]); | |
311 | } | |
312 | } elsif ($cores > scalar(@cpuset_members)) { | |
313 | my $count = $newset->insert(@cpuset_members); | |
314 | foreach my $cpu (@allowed_cpus) { | |
315 | $count += $newset->insert($cpu); | |
316 | last if $count >= $cores; | |
317 | } | |
318 | } else { | |
319 | $newset->insert(@cpuset_members); | |
320 | } | |
07f9595f | 321 | |
2499255b DM |
322 | # Apply hot-plugged changes if any: |
323 | if (!$newset->is_equal($cpuset)) { | |
324 | @cpuset_members = $newset->members(); | |
0b959507 | 325 | $modify_cpuset->($vmid, $cpuset, $newset); |
2499255b | 326 | } |
07f9595f | 327 | |
2499255b DM |
328 | # Note: no need to rebalance if we already use all cores |
329 | push @balanced_cts, [$vmid, $cores, $newset] | |
8b750abc | 330 | if defined($conf->{cores}) && ($cores != $cpucount); |
2499255b | 331 | } |
07f9595f | 332 | |
2499255b | 333 | foreach my $cpu (@cpuset_members) { |
ccfff920 | 334 | $cpu_ctcount[$cpu]++ if $cpu <= $max_cpuid; |
07f9595f | 335 | } |
2499255b | 336 | } |
07f9595f | 337 | |
2499255b DM |
338 | my $find_best_cpu = sub { |
339 | my ($cpulist, $cpu) = @_; | |
07f9595f | 340 | |
2499255b DM |
341 | my $cur_cost = $cpu_ctcount[$cpu]; |
342 | my $cur_cpu = $cpu; | |
41db757b | 343 | |
2499255b DM |
344 | foreach my $candidate (@$cpulist) { |
345 | my $cost = $cpu_ctcount[$candidate]; | |
346 | if ($cost < ($cur_cost -1)) { | |
347 | $cur_cost = $cost; | |
348 | $cur_cpu = $candidate; | |
349 | } | |
07f9595f DM |
350 | } |
351 | ||
2499255b DM |
352 | return $cur_cpu; |
353 | }; | |
354 | ||
355 | foreach my $bct (@balanced_cts) { | |
356 | my ($vmid, $cores, $cpuset) = @$bct; | |
41db757b DM |
357 | |
358 | my $newset = PVE::CpuSet->new(); | |
359 | ||
2499255b DM |
360 | my $rest = []; |
361 | foreach my $cpu (@allowed_cpus) { | |
362 | next if $cpuset->has($cpu); | |
363 | push @$rest, $cpu; | |
364 | } | |
365 | ||
366 | my @members = $cpuset->members(); | |
367 | foreach my $cpu (@members) { | |
368 | my $best = &$find_best_cpu($rest, $cpu); | |
369 | if ($best != $cpu) { | |
370 | $cpu_ctcount[$best]++; | |
371 | $cpu_ctcount[$cpu]--; | |
372 | } | |
373 | $newset->insert($best); | |
41db757b DM |
374 | } |
375 | ||
376 | if (!$newset->is_equal($cpuset)) { | |
0b959507 | 377 | $modify_cpuset->($vmid, $cpuset, $newset); |
41db757b DM |
378 | } |
379 | } | |
380 | } | |
381 | ||
efd04666 DM |
382 | sub update_lxc_status { |
383 | my ($status_cfg) = @_; | |
384 | ||
385 | my $ctime = time(); | |
386 | ||
387 | my $vmstatus = PVE::LXC::vmstatus(); | |
388 | ||
389 | foreach my $vmid (keys %$vmstatus) { | |
390 | my $d = $vmstatus->{$vmid}; | |
391 | my $template = $d->{template} ? $d->{template} : "0"; | |
392 | my $data; | |
393 | if ($d->{status} eq 'running') { # running | |
50786956 DM |
394 | $data = $generate_rrd_string->( |
395 | [$d->{uptime}, $d->{name}, $d->{status}, $template, | |
396 | $ctime, $d->{cpus}, $d->{cpu}, | |
397 | $d->{maxmem}, $d->{mem}, | |
398 | $d->{maxdisk}, $d->{disk}, | |
399 | $d->{netin}, $d->{netout}, | |
400 | $d->{diskread}, $d->{diskwrite}]); | |
efd04666 | 401 | } else { |
50786956 DM |
402 | $data = $generate_rrd_string->( |
403 | [0, $d->{name}, $d->{status}, $template, $ctime, $d->{cpus}, undef, | |
404 | $d->{maxmem}, undef, $d->{maxdisk}, $d->{disk}, undef, undef, undef, undef]); | |
efd04666 DM |
405 | } |
406 | PVE::Cluster::broadcast_rrd("pve2.3-vm/$vmid", $data); | |
407 | ||
408 | foreach my $id (keys %{$status_cfg->{ids}}) { | |
409 | my $plugin_config = $status_cfg->{ids}->{$id}; | |
410 | next if $plugin_config->{disable}; | |
411 | my $plugin = PVE::Status::Plugin->lookup($plugin_config->{type}); | |
09f19204 | 412 | $plugin->update_lxc_status($plugin_config, $vmid, $d, $ctime, $nodename); |
efd04666 DM |
413 | } |
414 | } | |
415 | } | |
416 | ||
417 | sub update_storage_status { | |
418 | my ($status_cfg) = @_; | |
419 | ||
bbcfdc08 | 420 | my $cfg = PVE::Storage::config(); |
efd04666 DM |
421 | |
422 | my $ctime = time(); | |
423 | ||
424 | my $info = PVE::Storage::storage_info($cfg); | |
425 | ||
426 | foreach my $storeid (keys %$info) { | |
427 | my $d = $info->{$storeid}; | |
428 | next if !$d->{active}; | |
429 | ||
50786956 | 430 | my $data = $generate_rrd_string->([$ctime, $d->{total}, $d->{used}]); |
efd04666 DM |
431 | |
432 | my $key = "pve2-storage/${nodename}/$storeid"; | |
433 | PVE::Cluster::broadcast_rrd($key, $data); | |
434 | ||
435 | foreach my $id (keys %{$status_cfg->{ids}}) { | |
436 | my $plugin_config = $status_cfg->{ids}->{$id}; | |
437 | next if $plugin_config->{disable}; | |
438 | my $plugin = PVE::Status::Plugin->lookup($plugin_config->{type}); | |
439 | $plugin->update_storage_status($plugin_config, $nodename, $storeid, $d, $ctime); | |
440 | } | |
441 | } | |
442 | } | |
443 | ||
5ea29d13 FG |
444 | sub rotate_authkeys { |
445 | PVE::AccessControl::rotate_authkey() if !PVE::AccessControl::check_authkey(1); | |
446 | } | |
447 | ||
efd04666 DM |
448 | sub update_status { |
449 | ||
450 | # update worker list. This is not really required and | |
451 | # we just call this to make sure that we have a correct | |
452 | # list in case of an unexpected crash. | |
8a9bf777 DM |
453 | my $rpcenv = PVE::RPCEnvironment::get(); |
454 | ||
efd04666 | 455 | eval { |
8a9bf777 | 456 | my $tlist = $rpcenv->active_workers(); |
efd04666 DM |
457 | PVE::Cluster::broadcast_tasklist($tlist); |
458 | }; | |
459 | my $err = $@; | |
460 | syslog('err', $err) if $err; | |
461 | ||
462 | my $status_cfg = PVE::Cluster::cfs_read_file('status.cfg'); | |
463 | ||
464 | eval { | |
465 | update_node_status($status_cfg); | |
466 | }; | |
467 | $err = $@; | |
468 | syslog('err', "node status update error: $err") if $err; | |
469 | ||
470 | eval { | |
471 | update_qemu_status($status_cfg); | |
472 | }; | |
473 | $err = $@; | |
474 | syslog('err', "qemu status update error: $err") if $err; | |
475 | ||
476 | eval { | |
477 | update_lxc_status($status_cfg); | |
478 | }; | |
479 | $err = $@; | |
480 | syslog('err', "lxc status update error: $err") if $err; | |
481 | ||
e0dc09ad DM |
482 | eval { |
483 | rebalance_lxc_containers(); | |
484 | }; | |
485 | $err = $@; | |
486 | syslog('err', "lxc cpuset rebalance error: $err") if $err; | |
487 | ||
efd04666 DM |
488 | eval { |
489 | update_storage_status($status_cfg); | |
490 | }; | |
491 | $err = $@; | |
492 | syslog('err', "storage status update error: $err") if $err; | |
493 | ||
494 | eval { | |
495 | remove_stale_lxc_consoles(); | |
496 | }; | |
497 | $err = $@; | |
498 | syslog('err', "lxc console cleanup error: $err") if $err; | |
5ea29d13 FG |
499 | |
500 | eval { | |
501 | rotate_authkeys(); | |
502 | }; | |
503 | $err = $@; | |
504 | syslog('err', "authkey rotation error: $err") if $err; | |
505 | ||
efd04666 DM |
506 | } |
507 | ||
508 | my $next_update = 0; | |
509 | ||
510 | # do not update directly after startup, because install scripts | |
511 | # have a problem with that | |
512 | my $cycle = 0; | |
513 | my $updatetime = 10; | |
514 | ||
515 | my $initial_memory_usage; | |
516 | ||
517 | sub run { | |
518 | my ($self) = @_; | |
519 | ||
520 | for (;;) { # forever | |
521 | ||
522 | $next_update = time() + $updatetime; | |
523 | ||
524 | if ($cycle) { | |
525 | my ($ccsec, $cusec) = gettimeofday (); | |
526 | eval { | |
527 | # syslog('info', "start status update"); | |
528 | PVE::Cluster::cfs_update(); | |
529 | update_status(); | |
530 | }; | |
531 | my $err = $@; | |
532 | ||
533 | if ($err) { | |
534 | syslog('err', "status update error: $err"); | |
535 | } | |
536 | ||
537 | my ($ccsec_end, $cusec_end) = gettimeofday (); | |
538 | my $cptime = ($ccsec_end-$ccsec) + ($cusec_end - $cusec)/1000000; | |
539 | ||
540 | syslog('info', sprintf("status update time (%.3f seconds)", $cptime)) | |
541 | if ($cptime > 5); | |
542 | } | |
543 | ||
544 | $cycle++; | |
545 | ||
546 | my $mem = PVE::ProcFSTools::read_memory_usage(); | |
547 | ||
548 | if (!defined($initial_memory_usage) || ($cycle < 10)) { | |
549 | $initial_memory_usage = $mem->{resident}; | |
550 | } else { | |
551 | my $diff = $mem->{resident} - $initial_memory_usage; | |
552 | if ($diff > 5*1024*1024) { | |
553 | syslog ('info', "restarting server after $cycle cycles to " . | |
554 | "reduce memory usage (free $mem->{resident} ($diff) bytes)"); | |
555 | $self->restart_daemon(); | |
556 | } | |
557 | } | |
558 | ||
559 | my $wcount = 0; | |
560 | while ((time() < $next_update) && | |
561 | ($wcount < $updatetime) && # protect against time wrap | |
562 | !$restart_request) { $wcount++; sleep (1); }; | |
563 | ||
564 | $self->restart_daemon() if $restart_request; | |
565 | } | |
566 | } | |
567 | ||
568 | $daemon->register_start_command(); | |
569 | $daemon->register_restart_command(1); | |
570 | $daemon->register_stop_command(); | |
571 | $daemon->register_status_command(); | |
572 | ||
573 | our $cmddef = { | |
574 | start => [ __PACKAGE__, 'start', []], | |
575 | restart => [ __PACKAGE__, 'restart', []], | |
576 | stop => [ __PACKAGE__, 'stop', []], | |
577 | status => [ __PACKAGE__, 'status', [], undef, sub { print shift . "\n";} ], | |
578 | }; | |
579 | ||
efd04666 DM |
580 | 1; |
581 | ||
efd04666 DM |
582 | |
583 | ||
584 | ||
585 |