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2025-12-08 - 07:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Mon Dec 08, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266325126,9sleep50-21swapper/518:49:135
298625025,9sleep30-21swapper/318:53:363
277724825,9sleep40-21swapper/418:50:484
110252460,0sleep40-21swapper/422:25:094
270224533,9sleep60-21swapper/618:49:466
249852450,0sleep4763-21runrttasks23:59:114
60582440,0sleep10-21swapper/123:46:351
243502440,1sleep2319599cyclictest23:59:092
311572430,0sleep40-21swapper/421:38:324
291222430,0sleep50-21swapper/521:29:045
285624230,8sleep70-21swapper/718:51:487
35572410,0sleep40-21swapper/420:44:104
312942400,0sleep30-21swapper/321:20:133
272624028,9sleep10-21swapper/118:50:051
132742400,0sleep50-21swapper/521:22:235
295623928,8sleep20-21swapper/218:53:112
269623927,9sleep00-21swapper/018:49:400
253412390,0sleep00-21swapper/023:35:200
177222390,0sleep30-21swapper/322:58:073
96832380,0sleep10-21swapper/123:01:261
50762380,0sleep30-21swapper/322:47:103
300452380,0sleep10-21swapper/121:33:481
246392380,0sleep50-21swapper/523:39:505
95022370,0sleep20-21swapper/222:34:042
5422350,0sleep10-21swapper/122:23:541
128992290,0sleep10-21swapper/121:17:461
321199219,1cyclictest49-21ksoftirqd/422:09:024
322799202,17cyclictest1-21systemd23:12:407
321199206,2cyclictest49-21ksoftirqd/421:30:454
321899198,5cyclictest0-21swapper/523:35:205
322799180,8cyclictest0-21swapper/723:38:387
3211991815,1cyclictest49-21ksoftirqd/423:06:474
3211991810,2cyclictest49-21ksoftirqd/420:58:454
321199181,3cyclictest4304-21bash23:18:504
293212180,0sleep00-21swapper/021:47:170
322799171,13cyclictest32748-21bash23:31:567
321899176,5cyclictest0-21swapper/520:32:085
321899170,16cyclictest20358-21sshd00:13:585
321199179,3cyclictest49-21ksoftirqd/422:14:394
321199178,2cyclictest49-21ksoftirqd/422:05:074
321199176,3cyclictest49-21ksoftirqd/421:26:404
321199175,2cyclictest49-21ksoftirqd/400:15:054
3211991711,3cyclictest49-21ksoftirqd/421:39:474
3211991710,1cyclictest49-21ksoftirqd/422:22:244
298362170,0sleep70-21swapper/700:00:027
322799168,5cyclictest0-21swapper/719:17:407
322799160,15cyclictest10281-21sshd23:19:267
322799160,13cyclictest9253-21sshd21:03:467
3218991613,2cyclictest711-21dbus-daemon22:40:265
321199167,2cyclictest49-21ksoftirqd/400:19:234
321199166,2cyclictest49-21ksoftirqd/422:00:324
321199166,1cyclictest49-21ksoftirqd/422:49:384
321199165,2cyclictest49-21ksoftirqd/421:52:454
321199165,2cyclictest49-21ksoftirqd/421:52:454
321199165,1cyclictest49-21ksoftirqd/423:48:434
3211991611,3cyclictest49-21ksoftirqd/422:58:484
3211991611,3cyclictest49-21ksoftirqd/421:19:504
321199161,1cyclictest49-21ksoftirqd/423:40:224
3179991610,4cyclictest9-21ksoftirqd/023:03:460
322799159,5cyclictest15487-21sshd23:06:467
322799157,5cyclictest0-21swapper/719:42:567
322799150,12cyclictest4868-21sshd23:51:227
322799150,12cyclictest28105-21nfsd21:22:227
321899159,1cyclictest9193-21sshd23:19:165
321899154,5cyclictest0-21swapper/521:56:065
321899154,5cyclictest0-21swapper/521:35:185
321899150,9cyclictest0-21swapper/522:05:085
321899150,9cyclictest0-21swapper/520:13:505
321199158,1cyclictest49-21ksoftirqd/421:47:314
321199156,3cyclictest49-21ksoftirqd/422:47:454
321199156,2cyclictest49-21ksoftirqd/422:37:314
321199156,2cyclictest49-21ksoftirqd/421:15:494
321199155,3cyclictest49-21ksoftirqd/423:53:144
321199154,1cyclictest49-21ksoftirqd/423:33:144
3211991514,1cyclictest49-21ksoftirqd/422:59:094
3211991512,3cyclictest49-21ksoftirqd/423:18:194
3211991512,3cyclictest49-21ksoftirqd/423:18:194
3211991512,3cyclictest49-21ksoftirqd/422:42:514
3211991512,3cyclictest49-21ksoftirqd/421:55:104
321199151,3cyclictest0-21swapper/421:07:204
321199151,3cyclictest0-21swapper/421:07:204
321199150,2cyclictest121rcu_preempt00:11:084
321199150,1cyclictest21203-21sshd00:04:024
321199150,1cyclictest12463-21sshd20:59:114
321199150,1cyclictest121rcu_preempt21:09:024
3195991512,2cyclictest859-21polkitd21:25:352
318799150,13cyclictest10870-21systemd-cgroups21:39:591
323932140,0sleep00-21swapper/021:02:240
322799149,3cyclictest73-21ksoftirqd/722:46:177
322799148,6cyclictest13919-21kworker/7:221:06:527
322799148,6cyclictest13919-21kworker/7:221:06:527
322799148,6cyclictest0-21swapper/721:52:287
322799148,6cyclictest0-21swapper/721:52:287
322799148,5cyclictest29104-21bash22:50:247
322799148,5cyclictest22694-21bash22:17:587
322799148,5cyclictest13618-21rm23:43:047
322799142,6cyclictest0-21swapper/723:17:347
322799142,6cyclictest0-21swapper/723:17:347
322799142,6cyclictest0-21swapper/722:12:327
322799142,6cyclictest0-21swapper/720:51:047
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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