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2026-07-25 - 11:34
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Sat Jul 25, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3988608991150,16cyclictest0-21swapper/019:10:160
3988613997213,19cyclictest0-21swapper/523:15:165
398861599678,19cyclictest0-21swapper/722:14:257
398861599668,20cyclictest0-21swapper/722:21:177
398861599666,59cyclictest0-21swapper/700:22:007
3988615996424,19cyclictest0-21swapper/723:30:097
3988615996324,19cyclictest0-21swapper/719:28:337
3988615996323,20cyclictest3443057-21systemd-journal23:52:367
398861599624,39cyclictest4087114-21unixbench_multi22:05:237
398861599624,39cyclictest4087114-21unixbench_multi22:05:227
3988615996239,19cyclictest4140536-21grep23:45:137
3988615996223,19cyclictest0-21swapper/721:54:207
398860999620,59cyclictest4124742-21awk23:15:151
398861599602,19cyclictest0-21swapper/700:39:447
3988615995838,19cyclictest871ktimers/723:14:037
3988615995819,19cyclictest0-21swapper/700:29:207
3988615995818,39cyclictest875-21mta-sts-daemon22:28:287
3988615995818,19cyclictest872-21mta-sts-daemon20:43:497
3988615995738,18cyclictest0-21swapper/720:35:197
3988615995719,18cyclictest0-21swapper/721:46:307
3988615995718,21cyclictest101550irq/39-eno2-TxRx-019:41:227
3988615995619,19cyclictest0-21swapper/722:18:167
3988615995617,19cyclictest101550irq/39-eno2-TxRx-022:41:247
3988615995519,35cyclictest0-21swapper/722:34:477
3988615995517,19cyclictest101550irq/39-eno2-TxRx-021:40:107
3988615995514,39cyclictest0-21swapper/719:20:157
3988615995419,15cyclictest0-21swapper/723:56:077
3988615995419,15cyclictest0-21swapper/719:17:567
3988615995419,15cyclictest0-21swapper/719:10:317
3988615995414,39cyclictest0-21swapper/721:36:457
3988615995414,39cyclictest0-21swapper/720:15:407
3988615995414,21cyclictest0-21swapper/723:41:327
3988615995414,19cyclictest0-21swapper/719:35:057
3988615995414,19cyclictest0-21swapper/700:13:447
3988615995413,40cyclictest0-21swapper/723:19:327
3988615995413,40cyclictest0-21swapper/722:59:297
3988615995413,40cyclictest0-21swapper/722:59:287
3988615995413,40cyclictest0-21swapper/722:52:007
3988615995413,40cyclictest0-21swapper/720:55:577
3988615995413,40cyclictest0-21swapper/720:53:587
3988615995413,40cyclictest0-21swapper/700:31:337
3988615995413,40cyclictest0-21swapper/700:15:337
3988615995413,39cyclictest0-21swapper/719:51:427
3988615995413,21cyclictest0-21swapper/720:10:097
398861599540,15cyclictest0-21swapper/722:39:107
398861599540,15cyclictest0-21swapper/722:39:107
3988610995454,0cyclictest0-21swapper/223:40:162
3988615995334,18cyclictest871ktimers/722:03:487
3988615995333,19cyclictest4081827-21sshd21:56:597
3988615995333,19cyclictest0-21swapper/721:15:197
3988615995316,18cyclictest4030576-21telnet20:25:117
3988615995314,19cyclictest0-21swapper/723:03:017
3988615995314,19cyclictest0-21swapper/721:13:017
3988615995313,40cyclictest0-21swapper/721:32:057
3988615995313,40cyclictest0-21swapper/720:30:427
3988615995313,39cyclictest0-21swapper/720:45:157
3988615995313,39cyclictest0-21swapper/720:09:527
3988615995233,19cyclictest0-21swapper/723:21:317
3988615995233,19cyclictest0-21swapper/721:26:277
3988615995233,19cyclictest0-21swapper/721:05:517
3988615995233,19cyclictest0-21swapper/720:20:437
3988615995233,19cyclictest0-21swapper/720:00:317
3988615995233,19cyclictest0-21swapper/719:45:077
3988615995233,19cyclictest0-21swapper/719:30:117
3988615995233,19cyclictest0-21swapper/700:07:037
3988615995233,19cyclictest0-21swapper/700:00:507
3988615995232,19cyclictest0-21swapper/721:00:087
3988615995213,21cyclictest0-21swapper/723:35:447
3988615995213,19cyclictest0-21swapper/723:26:327
3988615995213,19cyclictest0-21swapper/722:46:167
3988615995213,19cyclictest0-21swapper/722:46:167
3988615995213,19cyclictest0-21swapper/721:20:577
3988615995213,19cyclictest0-21swapper/719:58:057
3988615995212,39cyclictest0-21swapper/723:06:507
3988610995214,19cyclictest0-21swapper/219:20:142
3988610995113,19cyclictest0-21swapper/200:05:172
3988613994910,39cyclictest0-21swapper/522:40:165
3988614994830,0cyclictest0-21swapper/620:50:166
398861299489,19cyclictest0-21swapper/420:35:164
3988610994810,38cyclictest0-21swapper/220:20:162
398861399479,19cyclictest0-21swapper/521:35:155
398861399478,19cyclictest0-21swapper/500:15:145
3988613994727,19cyclictest0-21swapper/522:50:175
398861299469,18cyclictest0-21swapper/419:50:164
398860999457,19cyclictest0-21swapper/123:50:141
398861299445,39cyclictest0-21swapper/400:35:174
398861299435,19cyclictest0-21swapper/420:10:154
398861099424,19cyclictest0-21swapper/223:30:172
3988610994223,19cyclictest0-21swapper/221:05:152
398861299410,35cyclictest0-21swapper/420:30:154
398860999413,19cyclictest0-21swapper/120:40:141
3988608994039,1cyclictest876-21mta-sts-daemon22:15:180
398861399391,19cyclictest0-21swapper/523:40:175
398861399391,19cyclictest0-21swapper/523:25:165
398861299391,19cyclictest0-21swapper/421:10:174
3988611993937,2cyclictest4154184-21kworker/3:2+events00:38:363
398861099390,35cyclictest0-21swapper/220:00:162
3988611993836,2cyclictest4126310-21kworker/3:0+events23:52:123
3988611993836,2cyclictest3988028-21kworker/3:0+events19:31:343
3988611993735,2cyclictest3988028-21kworker/3:0+events22:02:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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