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2025-12-14 - 02:32
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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 Sun Dec 14, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1744221400,3sleep01604299cyclictest22:15:170
673921210,4sleep11604699cyclictest21:40:531
673921210,4sleep11604699cyclictest21:40:531
2565521160,4sleep11604699cyclictest20:35:581
1792421120,2sleep01604299cyclictest20:53:550
81292870,2sleep30-21swapper/321:41:223
81292870,2sleep30-21swapper/321:41:223
1576128536,44sleep10-21swapper/119:09:331
1570428539,42sleep30-21swapper/319:08:513
50752710,2sleep10-21swapper/120:50:001
181412710,1sleep30-21swapper/320:23:573
1375627132,9sleep20-21swapper/219:05:062
245252680,2sleep10-21swapper/120:25:321
109592650,2sleep20-21swapper/220:21:282
303952620,3sleep21605199cyclictest20:47:372
176182600,3sleep11604699cyclictest21:03:541
143502580,3sleep11604699cyclictest20:42:391
1577525235,13sleep00-21swapper/019:09:440
61422280,2sleep10-21swapper/122:42:501
1605599280,6cyclictest13902-21bash22:55:273
273442270,3sleep21605199cyclictest20:16:352
46402260,3sleep30-21swapper/321:30:133
117892260,5sleep11604699cyclictest23:36:511
239972250,23sleep2137550irq/27-eth023:51:162
180902250,3sleep10-21swapper/123:49:451
123022250,23sleep1137550irq/27-eth020:31:541
18472240,1sleep30-21swapper/321:29:323
75752230,1sleep10-21swapper/121:30:551
285702230,3sleep01604299cyclictest22:29:270
32492200,0sleep00-21swapper/020:39:250
1604299200,15cyclictest0-21swapper/023:31:040
1605199186,11cyclictest29445-21munin-node22:50:152
16051991813,4cyclictest0-21swapper/223:25:432
1604299180,17cyclictest0-21swapper/021:25:120
1605599170,12cyclictest20389-21munin-run19:20:003
16051991712,4cyclictest3049-21bash21:29:562
1605199171,15cyclictest31101-21sshd21:18:122
16046991712,4cyclictest14014-21sshd20:22:321
1604299178,6cyclictest0-21swapper/020:18:210
1605599167,7cyclictest0-21swapper/320:49:443
1605599164,10cyclictest0-21swapper/320:43:033
1605599160,14cyclictest7344-21awk20:30:203
1605599160,14cyclictest0-21swapper/323:55:123
1605599160,14cyclictest0-21swapper/323:35:033
1605599160,14cyclictest0-21swapper/320:57:323
1605599160,14cyclictest0-21swapper/320:17:273
1605599160,14cyclictest0-21swapper/320:12:453
1605199168,4cyclictest20189-21sshd22:26:252
1605199165,10cyclictest10850irq/23-ehci_hcd22:39:462
1605199162,13cyclictest16482-21sshd21:54:392
1605199162,13cyclictest10811-21sshd20:31:232
1605199161,5cyclictest0-21swapper/219:43:252
16051991611,4cyclictest10850irq/23-ehci_hcd22:33:362
1605199161,11cyclictest0-21swapper/220:28:512
1604699163,1cyclictest17107-21sshd20:13:411
1604699162,2cyclictest0-21swapper/100:05:181
1604699160,7cyclictest0-21swapper/123:08:171
1604699160,7cyclictest0-21swapper/122:09:311
1604699160,14cyclictest0-21swapper/123:14:531
1604699160,14cyclictest0-21swapper/121:12:271
1604699160,12cyclictest30396-21sshd23:21:521
1604699160,12cyclictest137550irq/27-eth021:53:481
1604699160,12cyclictest0-21swapper/122:51:111
1604699160,11cyclictest5048-21sshd22:00:511
1604299164,1cyclictest0-21swapper/020:48:130
1604299160,12cyclictest0-21swapper/021:10:130
1605599159,5cyclictest25011-21sshd21:36:293
1605599157,6cyclictest27879-21sshd23:10:243
1605599154,10cyclictest10850irq/23-ehci_hcd19:23:553
1605599153,11cyclictest23302-21taskset21:46:093
16055991511,3cyclictest10850irq/23-ehci_hcd00:16:233
1605599150,6cyclictest25271-21sshd23:30:333
1605599150,6cyclictest19589-21sshd00:10:423
1605599150,6cyclictest0-21swapper/323:15:323
1605599150,6cyclictest0-21swapper/322:40:323
1605599150,3cyclictest21261-21sshd22:16:233
1605599150,3cyclictest0-21swapper/322:22:563
1605599150,14cyclictest0-21swapper/320:52:053
1605599150,13cyclictest31982-21bash23:01:223
1605599150,13cyclictest25062-21sshd22:07:253
1605599150,13cyclictest19787-21sshd23:08:063
1605599150,13cyclictest0-21swapper/300:08:363
1605599150,11cyclictest137550irq/27-eth019:10:183
1605599150,11cyclictest12255-21sshd21:22:203
1605199157,6cyclictest0-21swapper/220:55:292
1605199154,3cyclictest10850irq/23-ehci_hcd21:04:492
1605199152,6cyclictest137550irq/27-eth020:13:042
1605199151,5cyclictest137550irq/27-eth021:34:312
1605199151,5cyclictest137550irq/27-eth000:10:072
16051991511,3cyclictest1927-21sshd23:02:152
16051991511,3cyclictest17265-21sshd21:13:562
16051991511,3cyclictest10800-21sshd00:08:092
16051991511,3cyclictest0-21swapper/220:39:442
1605199151,12cyclictest7993-21sshd20:50:282
1605199150,14cyclictest0-21swapper/223:11:482
1605199150,13cyclictest7818-21sshd23:56:302
1605199150,13cyclictest0-21swapper/223:20:582
1605199150,13cyclictest0-21swapper/222:41:012
1605199150,13cyclictest0-21swapper/221:23:062
1604699157,7cyclictest0-21swapper/123:30:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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