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2025-12-18 - 12:14
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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 rack5slot0.osadl.org (updated Thu Dec 18, 2025 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1718929535,48sleep10-21swapper/119:05:011
244282850,0sleep00-21swapper/023:16:050
1893728539,42sleep30-21swapper/319:06:253
185332800,0sleep00-21swapper/000:27:290
158512790,2sleep00-21swapper/022:22:080
308652780,4sleep11947799cyclictest22:26:501
278252780,1sleep30-21swapper/323:48:423
309622760,1sleep10-21swapper/121:46:191
278072740,1sleep10-21swapper/123:27:441
280592730,0sleep00-21swapper/021:45:220
215532730,0sleep00-21swapper/021:23:380
307892720,1sleep20-21swapper/223:28:492
27812720,2sleep32439-21runrttasks21:57:513
226942680,1sleep30-21swapper/322:04:123
87472660,3sleep01947699cyclictest00:14:000
220822630,1sleep00-21swapper/021:33:520
1921326334,12sleep20-21swapper/219:09:562
36932610,4sleep31947999cyclictest22:59:343
1900326135,14sleep00-21swapper/019:07:140
1947999260,7cyclictest0-21swapper/323:59:493
1947999260,21cyclictest18688-21sshd23:04:193
1947999260,19cyclictest0-21swapper/319:44:303
166922260,2sleep32439-21runrttasks00:26:483
1947999255,9cyclictest10850irq/23-ehci_hcd00:00:123
1947999250,19cyclictest0-21swapper/323:19:483
1947999230,3cyclictest0-21swapper/321:22:413
1947999230,21cyclictest0-21swapper/300:14:063
1947999230,11cyclictest0-21swapper/323:05:513
121612230,1sleep30-21swapper/321:50:263
1947999226,9cyclictest10850irq/23-ehci_hcd21:26:013
1947999223,3cyclictest0-21swapper/323:11:463
1947999220,4cyclictest0-21swapper/322:18:573
1947999220,3cyclictest0-21swapper/321:40:113
1947999220,3cyclictest0-21swapper/321:40:113
1947999220,2cyclictest0-21swapper/323:41:413
1947999220,2cyclictest0-21swapper/321:36:153
1947999220,2cyclictest0-21swapper/300:15:443
1947999220,2cyclictest0-21swapper/300:09:203
1947999220,20cyclictest0-21swapper/322:23:013
1947999220,20cyclictest0-21swapper/321:32:103
1947999220,11cyclictest0-21swapper/322:45:303
1947999220,10cyclictest0-21swapper/323:34:413
1947999220,10cyclictest0-21swapper/323:25:323
1947999210,3cyclictest0-21swapper/322:11:013
1947999210,3cyclictest0-21swapper/321:15:343
1947999210,3cyclictest0-21swapper/320:00:133
1947999210,3cyclictest0-21swapper/319:10:093
1947999210,3cyclictest0-21swapper/300:21:163
1947999210,2cyclictest0-21swapper/323:53:203
1947999210,2cyclictest0-21swapper/323:37:583
1947999210,2cyclictest0-21swapper/321:45:383
1947999210,2cyclictest0-21swapper/321:10:003
1947999210,2cyclictest0-21swapper/320:46:133
1947999210,19cyclictest0-21swapper/322:40:583
1947999210,19cyclictest0-21swapper/322:27:473
1947999210,13cyclictest0-21swapper/322:37:313
1947999210,10cyclictest0-21swapper/323:21:593
1947999210,10cyclictest0-21swapper/322:50:473
1947999210,10cyclictest0-21swapper/322:30:253
1947999210,10cyclictest0-21swapper/322:06:323
1947999210,10cyclictest0-21swapper/300:38:053
1947999210,10cyclictest0-21swapper/300:31:203
283952200,2sleep22439-21runrttasks23:17:312
25992200,2sleep20-21swapper/221:17:432
1947999207,12cyclictest4318-21runrttasks19:45:213
1947999201,1cyclictest0-21swapper/320:55:233
1947999200,2cyclictest0-21swapper/321:00:133
1947999200,2cyclictest0-21swapper/320:40:493
1947999200,2cyclictest0-21swapper/320:15:103
1947999200,2cyclictest0-21swapper/320:05:193
1947999200,2cyclictest0-21swapper/319:30:133
1947999200,2cyclictest0-21swapper/319:15:143
1947999200,10cyclictest0-21swapper/320:35:143
1947799209,10cyclictest0-21swapper/121:34:101
1947999194,13cyclictest25073-21awk19:20:183
1947999190,2cyclictest0-21swapper/320:50:133
170522190,0sleep00-21swapper/022:12:230
141292190,2sleep10-21swapper/123:13:031
317512182,14sleep2137550irq/27-eth000:10:332
1947999183,0cyclictest0-21swapper/319:55:153
1947999180,2cyclictest0-21swapper/320:30:343
1947999180,16cyclictest0-21swapper/321:07:323
1947999180,16cyclictest0-21swapper/319:25:173
1947699181,1cyclictest19258-21sshd22:43:530
1947699180,14cyclictest0-21swapper/022:02:210
173902183,13sleep110850irq/23-ehci_hcd21:52:171
271092170,0sleep00-21swapper/021:25:150
1947999172,1cyclictest0-21swapper/320:20:053
1947999170,3cyclictest0-21swapper/319:35:313
1947899174,6cyclictest17753-21sshd22:12:372
19478991713,3cyclictest10244-21fschecks_time22:00:132
19478991712,4cyclictest9054-21id21:39:582
1947799178,4cyclictest8867-21sshd22:50:281
1947799170,13cyclictest30773-21sshd21:56:201
1947699170,13cyclictest0-21swapper/022:49:110
325142161,13sleep2137550irq/27-eth022:37:422
1947999160,1cyclictest0-21swapper/320:10:103
1947999160,1cyclictest0-21swapper/319:51:063
1947999160,14cyclictest0-21swapper/320:25:193
1947899169,2cyclictest18809-21sshd22:54:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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