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2025-12-16 - 23:26
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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 Tue Dec 16, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26336211735,43sleep10-21swapper/107:08:241
135462890,2sleep20-21swapper/208:19:202
268172850,4sleep32672399cyclictest09:23:403
2642428422,58sleep30-21swapper/307:09:223
270222830,2sleep10-21swapper/109:44:121
29102800,3sleep20-21swapper/210:38:272
42932760,2sleep20-21swapper/209:47:062
52202740,2sleep32439-21runrttasks10:49:503
251962740,0sleep00-21swapper/011:48:330
30352720,2sleep10-21swapper/108:55:371
217652700,2sleep22439-21runrttasks10:44:442
2642126035,13sleep00-21swapper/007:09:180
14172590,2sleep20-21swapper/210:27:292
2630925436,9sleep20-21swapper/207:08:082
113052441,41sleep1137550irq/27-eth009:08:401
297592332,28sleep328450irq/26-ahci[00009:45:083
177072280,3sleep20-21swapper/210:32:422
99442270,24sleep228450irq/26-ahci[00008:28:022
193412266,18sleep310850irq/23-ehci_hcd08:50:383
182672260,2sleep30-21swapper/308:30:233
55292250,3sleep00-21swapper/009:47:320
273302240,0sleep00-21swapper/009:44:200
26710992312,2cyclictest0-21swapper/009:36:540
145312230,3sleep12671499cyclictest09:19:571
278872220,5sleep20-21swapper/211:49:312
19912220,2sleep10-21swapper/109:35:561
35402200,18sleep3137550irq/27-eth011:20:203
35402200,18sleep3137550irq/27-eth011:20:203
2672399200,18cyclictest0-21swapper/307:18:313
26714992011,1cyclictest0-21swapper/110:38:581
139552200,2sleep12439-21runrttasks08:49:231
2671999194,7cyclictest27944-21sshd08:53:392
2671999194,7cyclictest0-21swapper/210:11:552
2671999191,7cyclictest0-21swapper/212:07:472
2671099193,11cyclictest0-21swapper/010:36:540
2672399180,16cyclictest0-21swapper/310:52:513
2672399180,13cyclictest0-21swapper/311:26:043
2671999184,4cyclictest15255-21bash11:13:512
26714991813,4cyclictest5962-21grep12:20:201
2672399178,7cyclictest0-21swapper/312:06:083
26723991712,4cyclictest10850irq/23-ehci_hcd10:39:063
2671999174,3cyclictest27977-21sshd10:56:472
26719991712,4cyclictest10850irq/23-ehci_hcd11:20:542
26719991712,4cyclictest10850irq/23-ehci_hcd11:20:542
2671499170,15cyclictest0-21swapper/110:13:191
2671499170,15cyclictest0-21swapper/109:34:051
2671099170,4cyclictest0-21swapper/010:31:500
2671099170,15cyclictest0-21swapper/009:25:220
2671099170,14cyclictest0-21swapper/009:52:420
312502161,13sleep210850irq/23-ehci_hcd09:55:292
2672399167,5cyclictest10850irq/23-ehci_hcd09:00:173
2672399161,13cyclictest9754-21sshd11:01:183
2672399160,5cyclictest0-21swapper/309:34:323
2672399160,14cyclictest0-21swapper/312:30:173
2672399160,14cyclictest0-21swapper/310:06:263
2672399160,14cyclictest0-21swapper/308:12:503
2672399160,14cyclictest0-21swapper/307:47:023
2671999165,10cyclictest11350-21sshd11:44:082
2671999164,2cyclictest0-21swapper/208:14:352
2671999164,11cyclictest10850irq/23-ehci_hcd09:18:462
2671999164,10cyclictest13008-21taskset12:35:242
2671999162,13cyclictest146450irq/28-eth1-rx-10:24:512
26719991612,2cyclictest27602-21sshd08:23:332
26719991612,1cyclictest10850irq/23-ehci_hcd08:43:482
26719991612,1cyclictest10850irq/23-ehci_hcd08:43:472
2671999160,7cyclictest2439-21runrttasks08:47:152
2671999160,14cyclictest0-21swapper/210:03:272
2671999160,12cyclictest0-21swapper/211:38:152
26714991613,2cyclictest10850irq/23-ehci_hcd10:03:211
26714991612,2cyclictest0-21swapper/111:55:261
2671499160,14cyclictest0-21swapper/109:13:131
2671499160,14cyclictest0-21swapper/108:05:191
2671099167,6cyclictest0-21swapper/009:23:280
2671099160,1cyclictest0-21swapper/010:15:510
2671099160,14cyclictest659-21sshd11:19:440
2671099160,14cyclictest0-21swapper/011:07:070
2672399157,6cyclictest8165-21bash08:37:243
2672399157,4cyclictest1191-21sshd09:35:403
2672399152,12cyclictest6678-21sshd11:42:243
26723991513,1cyclictest0-21swapper/308:55:053
26723991512,2cyclictest0-21swapper/311:18:373
26723991511,2cyclictest15900-21sshd09:40:223
2672399150,3cyclictest0-21swapper/311:08:383
2672399150,14cyclictest0-21swapper/310:29:583
2672399150,13cyclictest30736-21sshd12:00:243
2672399150,13cyclictest23308-21sshd11:47:513
2672399150,13cyclictest19163-21sshd10:02:063
2672399150,13cyclictest1884-21nfsd09:54:473
2672399150,13cyclictest17844-21munin-node09:10:233
2672399150,13cyclictest0-21swapper/311:57:403
2672399150,13cyclictest0-21swapper/311:11:443
2672399150,13cyclictest0-21swapper/310:30:223
2672399150,13cyclictest0-21swapper/310:20:583
2672399150,13cyclictest0-21swapper/310:15:013
2672399150,13cyclictest0-21swapper/309:05:273
2672399150,13cyclictest0-21swapper/308:09:473
2671999157,7cyclictest1926-21nscd09:35:282
2671999157,7cyclictest0-21swapper/210:05:212
2671999153,1cyclictest23195-21sshd11:05:332
2671999153,11cyclictest146450irq/28-eth1-rx-09:14:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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