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2025-12-24 - 11:02
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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 Wed Dec 24, 2025 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23623211035,46sleep10-21swapper/119:07:181
44342980,2sleep10-21swapper/121:56:501
136822940,0sleep00-21swapper/021:39:540
2366728532,49sleep30-21swapper/319:07:523
43102810,2sleep30-21swapper/322:27:213
62762800,1sleep00-21swapper/000:22:090
43382800,2sleep12439-21runrttasks22:58:161
238092770,2sleep10-21swapper/121:42:481
287632750,0sleep00-21swapper/022:25:060
86402740,2sleep10-21swapper/121:28:091
310562730,2sleep20-21swapper/222:05:152
224052730,2sleep32439-21runrttasks23:24:553
222192670,0sleep00-21swapper/023:14:260
3532660,4sleep02409199cyclictest21:15:220
3532660,4sleep02409199cyclictest21:15:220
275622660,2sleep32409499cyclictest22:24:453
29632580,1sleep10-21swapper/122:06:281
2363425834,12sleep00-21swapper/019:07:250
24852570,1sleep30-21swapper/322:06:183
2361725233,8sleep20-21swapper/219:07:162
164482342,30sleep328450irq/26-ahci[00022:41:203
39202310,2sleep22439-21runrttasks22:47:482
115332230,3sleep20-21swapper/223:41:532
68502210,19sleep3137550irq/27-eth023:50:403
186642210,19sleep3137550irq/27-eth021:21:033
12922210,3sleep22409399cyclictest23:17:572
26752200,18sleep3137550irq/27-eth021:46:073
295072190,2sleep10-21swapper/123:06:021
24094991915,3cyclictest26579-21ipmitool20:25:173
2409499190,7cyclictest0-21swapper/319:19:103
2409199190,2cyclictest9890-21sshd22:19:060
2409199190,1cyclictest0-21swapper/023:24:120
124892190,1sleep30-21swapper/322:20:003
2409199180,17cyclictest0-21swapper/022:30:430
159152180,3sleep22409399cyclictest00:15:022
65772170,15sleep3137550irq/27-eth000:22:173
271442170,15sleep3137550irq/27-eth023:46:563
2409499170,15cyclictest0-21swapper/321:39:123
2409499170,15cyclictest0-21swapper/300:05:193
2409499170,11cyclictest0-21swapper/319:20:413
24093991712,4cyclictest15588-21sshd22:30:422
2409299173,9cyclictest21533-21sshd22:53:281
2409199179,7cyclictest0-21swapper/023:06:440
2409199177,9cyclictest0-21swapper/023:57:590
2409199171,15cyclictest0-21swapper/023:44:060
2409199171,15cyclictest0-21swapper/022:58:170
2409199170,1cyclictest7707-21sshd00:12:070
2409199170,1cyclictest0-21swapper/022:39:260
2409199170,1cyclictest0-21swapper/020:17:170
2409199170,16cyclictest23307-21sshd00:38:240
2409199170,16cyclictest0-21swapper/023:52:550
2409199170,16cyclictest0-21swapper/023:03:520
2409199170,16cyclictest0-21swapper/022:02:260
2409199170,16cyclictest0-21swapper/021:33:190
2409499169,6cyclictest0-21swapper/319:36:473
2409499165,3cyclictest10850irq/23-ehci_hcd21:58:323
2409499164,0cyclictest0-21swapper/321:50:433
24094991611,4cyclictest137550irq/27-eth023:14:363
2409499160,13cyclictest0-21swapper/323:02:393
2409499160,13cyclictest0-21swapper/320:45:233
24093991612,3cyclictest2424-21sshd21:35:582
2409299166,9cyclictest22973-21sshd21:52:351
2409299160,7cyclictest137550irq/27-eth000:24:051
2409299160,1cyclictest0-21swapper/123:41:331
2409199168,7cyclictest0-21swapper/021:00:190
2409199167,8cyclictest0-21swapper/022:53:460
2409199160,4cyclictest0-21swapper/023:45:360
2409199160,1cyclictest30959-21diskstats21:55:130
2409199160,1cyclictest1884-21nfsd00:26:010
2409199160,1cyclictest0-21swapper/023:32:400
2409199160,1cyclictest0-21swapper/021:13:000
2409199160,1cyclictest0-21swapper/020:55:160
2409199160,1cyclictest0-21swapper/000:01:110
2409199160,15cyclictest14239-21sshd22:40:310
2409199160,15cyclictest0-21swapper/022:11:310
2409199160,15cyclictest0-21swapper/021:54:400
2409199160,15cyclictest0-21swapper/021:47:130
2409199160,12cyclictest0-21swapper/021:23:430
2409199160,10cyclictest2313-21awk20:45:000
2409499157,6cyclictest0-21swapper/322:58:113
2409499151,10cyclictest28450irq/26-ahci[00000:35:363
24094991510,4cyclictest10850irq/23-ehci_hcd20:40:193
2409499150,6cyclictest492-21sshd21:25:223
2409499150,6cyclictest18851-21sshd23:34:043
2409499150,6cyclictest0-21swapper/321:33:243
2409499150,14cyclictest0-21swapper/322:03:293
2409499150,13cyclictest31438-21sshd23:27:313
2409499150,13cyclictest2439-21runrttasks19:42:093
2409499150,13cyclictest0-21swapper/323:41:083
2409499150,13cyclictest0-21swapper/321:41:513
2409499150,13cyclictest0-21swapper/300:25:353
2409499150,12cyclictest0-21swapper/319:33:233
2409499150,11cyclictest25034-21sshd22:13:383
2409499150,11cyclictest0-21swapper/323:36:113
2409399154,3cyclictest15149-21sshd22:51:112
24093991512,2cyclictest0-21swapper/200:38:242
2409399151,13cyclictest24272-21sshd00:28:092
2409299159,5cyclictest137550irq/27-eth022:01:491
2409299158,6cyclictest0-21swapper/123:26:081
2409299157,7cyclictest0-21swapper/123:12:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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