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2025-12-24 - 00:54
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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 23, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22067211032,39sleep30-21swapper/307:05:103
2391529833,44sleep10-21swapper/107:07:411
165402930,4sleep22435999cyclictest09:50:192
249492860,2sleep12439-21runrttasks12:38:401
293532830,2sleep20-21swapper/211:16:142
34002760,1sleep13399-21bash09:56:191
194712720,2sleep30-21swapper/310:11:323
118002710,2sleep20-21swapper/210:19:402
221722690,0sleep00-21swapper/009:22:090
77482600,0sleep00-21swapper/009:47:460
2392926035,13sleep00-21swapper/007:07:520
2405025034,12sleep20-21swapper/207:09:222
217832270,2sleep30-21swapper/309:31:573
61712230,2sleep12439-21runrttasks11:40:141
123272224,16sleep210850irq/23-ehci_hcd09:59:312
103172221,19sleep2137550irq/27-eth011:30:502
86652210,19sleep1137550irq/27-eth012:12:121
157702210,4sleep30-21swapper/310:20:263
70372200,2sleep32439-21runrttasks09:27:293
246302190,2sleep224633-21latency08:20:172
181722190,17sleep128450irq/26-ahci[00009:20:471
2435999183,7cyclictest17140-21cp11:22:542
24359991814,3cyclictest31188-21cp10:56:122
2435799184,7cyclictest0-21swapper/010:26:320
2435799182,9cyclictest8-21rcu_preempt11:30:200
24357991810,1cyclictest0-21swapper/007:35:230
2435799180,8cyclictest0-21swapper/009:10:030
2435799180,17cyclictest0-21swapper/010:52:200
324762170,15sleep3137550irq/27-eth012:30:203
24360991712,4cyclictest10850irq/23-ehci_hcd11:43:123
2436099170,2cyclictest0-21swapper/310:08:443
2436099170,15cyclictest0-21swapper/311:14:423
2436099170,15cyclictest0-21swapper/311:01:063
2435799179,7cyclictest8-21rcu_preempt08:40:240
2435799177,9cyclictest0-21swapper/012:18:310
2435799177,6cyclictest10532-21sed10:50:010
2435799176,10cyclictest0-21swapper/010:15:350
2435799170,1cyclictest0-21swapper/012:11:590
2435799170,1cyclictest0-21swapper/009:27:510
2435799170,16cyclictest0-21swapper/012:25:230
2435799170,16cyclictest0-21swapper/011:07:040
2435799170,16cyclictest0-21swapper/010:12:540
2435799170,15cyclictest0-21swapper/011:45:490
2435799170,12cyclictest0-21swapper/011:11:150
2435799170,12cyclictest0-21swapper/010:43:340
2435799170,11cyclictest0-21swapper/011:58:160
308192161,13sleep3137550irq/27-eth011:48:063
2436099166,8cyclictest0-21swapper/310:49:073
2436099162,10cyclictest0-21swapper/311:50:453
24360991612,3cyclictest10850irq/23-ehci_hcd09:40:253
2436099160,14cyclictest0-21swapper/311:37:423
2435999168,6cyclictest18997-21sshd09:11:062
2435999167,7cyclictest0-21swapper/212:06:202
2435999160,14cyclictest0-21swapper/211:49:492
2435899169,6cyclictest0-21swapper/111:32:461
2435899160,7cyclictest0-21swapper/112:06:021
2435899160,7cyclictest0-21swapper/110:03:131
2435899160,3cyclictest0-21swapper/110:29:111
2435899160,14cyclictest0-21swapper/110:14:011
2435899160,11cyclictest9566-21sshd09:38:211
2435799168,4cyclictest0-21swapper/012:01:260
2435799167,8cyclictest30161-21sshd11:37:220
2435799167,8cyclictest16016-21bash11:53:500
2435799167,8cyclictest0-21swapper/011:16:160
2435799166,5cyclictest0-21swapper/010:22:270
2435799166,4cyclictest0-21swapper/009:51:570
2435799165,5cyclictest3-21ksoftirqd/012:05:230
2435799164,5cyclictest3-21ksoftirqd/011:40:230
2435799163,1cyclictest9933-21munin-node09:00:130
2435799160,9cyclictest30185-21sshd10:35:200
2435799160,4cyclictest8-21rcu_preempt08:35:030
2435799160,4cyclictest8-21rcu_preempt08:35:030
2435799160,2cyclictest30777-21df10:05:110
2435799160,1cyclictest10-21rcuc/012:21:290
2435799160,1cyclictest0-21swapper/011:20:100
2435799160,1cyclictest0-21swapper/011:02:180
2435799160,15cyclictest0-21swapper/012:33:450
2435799160,15cyclictest0-21swapper/010:31:320
2435799160,15cyclictest0-21swapper/009:19:580
2435799160,14cyclictest0-21swapper/008:20:180
2435799160,14cyclictest0-21swapper/007:46:400
2435799160,13cyclictest0-21swapper/010:01:380
2435799160,11cyclictest0-21swapper/008:45:070
2435799160,10cyclictest13026-21ntp_states09:05:190
76052150,13sleep1137550irq/27-eth010:38:441
2436099158,3cyclictest0-21swapper/310:28:473
2436099157,6cyclictest0-21swapper/310:37:323
2436099154,2cyclictest0-21swapper/311:23:203
2436099151,4cyclictest0-21swapper/312:38:113
24360991510,3cyclictest2729-21sshd11:07:563
2436099150,14cyclictest0-21swapper/308:45:213
2436099150,13cyclictest29995-21bash12:19:213
2436099150,13cyclictest0-21swapper/310:51:073
2436099150,11cyclictest4044-21sshd10:16:543
2436099150,11cyclictest1860-21sshd09:55:493
2436099150,11cyclictest0-21swapper/312:21:473
2436099150,10cyclictest5748-21sshd12:11:073
2436099150,10cyclictest0-21swapper/307:41:173
2435999158,5cyclictest21832-21sshd09:22:012
2435999158,4cyclictest4743-21sshd12:31:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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