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2026-04-24 - 02:26
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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 rack6slot0.osadl.org (updated Fri Apr 24, 2026 01:01:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3784199202196,4cyclictest0-21swapper/2421:05:2017
3784199202196,4cyclictest0-21swapper/2421:05:2017
3784199202196,4cyclictest0-21swapper/2421:05:2017
3781699201119,57cyclictest0-21swapper/319:10:0223
3781699201119,57cyclictest0-21swapper/319:10:0223
3782799199193,4cyclictest0-21swapper/1222:56:374
3782799199193,4cyclictest0-21swapper/1222:56:374
3784199198185,8cyclictest0-21swapper/2423:20:5817
3784199198185,8cyclictest0-21swapper/2423:20:5817
3784199195189,4cyclictest0-21swapper/2419:20:0117
3784199195189,4cyclictest0-21swapper/2419:20:0117
3784199193135,10cyclictest0-21swapper/2421:46:2417
3784199193135,10cyclictest0-21swapper/2421:46:2417
3784199191184,5cyclictest0-21swapper/2423:38:4917
3784199191184,5cyclictest0-21swapper/2423:38:4917
3784199191184,5cyclictest0-21swapper/2423:38:4917
3784199189177,9cyclictest0-21swapper/2400:02:0117
3784199189177,9cyclictest0-21swapper/2400:02:0017
3781699189113,63cyclictest3542-21CPU23
3781699189113,63cyclictest3542-21CPU23
3781699189113,63cyclictest3542-21CPU23
3784199187166,14cyclictest0-21swapper/2423:18:4117
3784199187166,14cyclictest0-21swapper/2423:18:4117
3781699187142,21cyclictest0-21swapper/323:11:5323
3781699187142,21cyclictest0-21swapper/323:11:5323
3781699186161,10cyclictest0-21swapper/323:18:2223
3781699186161,10cyclictest0-21swapper/323:18:2123
3784199185180,4cyclictest0-21swapper/2423:56:5317
3784199185180,4cyclictest0-21swapper/2423:56:5317
3784199185175,7cyclictest0-21swapper/2422:04:3317
3784199185175,7cyclictest0-21swapper/2422:04:3317
3784199185167,10cyclictest0-21swapper/2421:43:0117
3784199185167,10cyclictest0-21swapper/2421:43:0117
3784199185167,10cyclictest0-21swapper/2421:43:0117
3781699185159,11cyclictest0-21swapper/322:49:3523
3781699185159,11cyclictest0-21swapper/322:49:3423
3784199182175,5cyclictest17798-21sshd00:31:1517
3784199182175,5cyclictest17798-21sshd00:31:1517
3784199178160,12cyclictest0-21swapper/2422:41:4617
3784199178160,12cyclictest0-21swapper/2422:41:4517
3784199177166,10cyclictest17482-21nfsd21:17:0117
3784199177166,10cyclictest17482-21nfsd21:17:0117
3784199177166,10cyclictest17482-21nfsd21:17:0017
3784199177107,53cyclictest0-21swapper/2400:28:3017
3784199177107,53cyclictest0-21swapper/2400:28:2917
3782799177167,9cyclictest0-21swapper/1200:18:214
3782799177167,9cyclictest0-21swapper/1200:18:204
3782599177158,11cyclictest0-21swapper/1000:20:282
3782599177158,11cyclictest0-21swapper/1000:20:282
3784799176169,5cyclictest0-21swapper/2700:10:0620
3784799176169,5cyclictest0-21swapper/2700:10:0520
3784199176170,5cyclictest0-21swapper/2423:41:5017
3784199176170,5cyclictest0-21swapper/2423:41:5017
3784199176156,17cyclictest0-21swapper/2423:29:5317
3784199176156,17cyclictest0-21swapper/2423:29:5317
3784199176156,17cyclictest0-21swapper/2423:29:5317
3784199176149,14cyclictest0-21swapper/2419:52:3917
3784199176149,14cyclictest0-21swapper/2419:52:3917
3781699176148,18cyclictest0-21swapper/319:33:0723
3781699176148,18cyclictest0-21swapper/319:33:0723
3784199175158,8cyclictest0-21swapper/2423:35:0017
3784199175158,8cyclictest0-21swapper/2423:35:0017
3784199175158,8cyclictest0-21swapper/2423:35:0017
3784199175140,20cyclictest0-21swapper/2422:37:0117
3784199175140,20cyclictest0-21swapper/2422:37:0117
3781699175120,12cyclictest171rcu_preempt20:42:2823
3781699175120,12cyclictest171rcu_preempt20:42:2823
3784199174158,14cyclictest0-21swapper/2421:52:1517
3784199174158,14cyclictest0-21swapper/2421:52:1517
3781699174145,11cyclictest0-21swapper/321:39:0823
3781699174145,11cyclictest0-21swapper/321:39:0723
3782599173151,13cyclictest0-21swapper/1019:51:532
3782599173151,13cyclictest0-21swapper/1019:51:532
3782599173146,18cyclictest0-21swapper/1000:20:022
3782599173146,18cyclictest0-21swapper/1000:20:012
3784199172158,7cyclictest0-21swapper/2423:45:1217
3784199172158,7cyclictest0-21swapper/2423:45:1217
3784199172144,17cyclictest0-21swapper/2423:52:3617
3784199172144,17cyclictest0-21swapper/2423:52:3517
3784199171146,13cyclictest0-21swapper/2419:10:2017
3784199171146,13cyclictest0-21swapper/2419:10:1917
3784799170162,6cyclictest0-21swapper/2700:17:5620
3784799170162,6cyclictest0-21swapper/2700:17:5520
3784199170158,8cyclictest0-21swapper/2421:34:3517
3784199170158,8cyclictest0-21swapper/2421:34:3517
3784199170158,8cyclictest0-21swapper/2421:34:3517
3784199170155,9cyclictest0-21swapper/2423:10:1317
3784199170155,9cyclictest0-21swapper/2423:10:1317
3784199170143,11cyclictest0-21swapper/2419:30:2417
3784199170143,11cyclictest0-21swapper/2419:30:2317
3782799170155,14cyclictest0-21swapper/1222:54:354
3782799170155,14cyclictest0-21swapper/1222:54:354
3781699170153,11cyclictest0-21swapper/321:59:0123
3781699170153,11cyclictest0-21swapper/321:59:0123
3781699169140,28cyclictest0-21swapper/322:04:2023
3781699169140,28cyclictest0-21swapper/322:04:2023
3781699169135,26cyclictest0-21swapper/323:56:5423
3781699169135,26cyclictest0-21swapper/323:56:5423
3784199168151,15cyclictest32594-21/usr/sbin/munin22:30:1617
3784199168151,15cyclictest32594-21/usr/sbin/munin22:30:1617
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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