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2026-05-17 - 00:46
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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 Sat May 16, 2026 13:02:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2590199196157,37cyclictest0-21swapper/2411:35:4617
2590199196157,37cyclictest0-21swapper/2411:35:4617
2590199196157,37cyclictest0-21swapper/2411:35:4517
2590499190141,38cyclictest0-21swapper/2709:37:0120
2590499190141,38cyclictest0-21swapper/2709:37:0120
2590499190141,38cyclictest0-21swapper/2709:37:0120
2590199189178,7cyclictest2454-21CPU17
2590199189178,7cyclictest2454-21CPU17
2587799187182,2cyclictest0-21swapper/409:32:1234
2587799187182,2cyclictest0-21swapper/409:32:1234
2587799187182,2cyclictest0-21swapper/409:32:1234
2587799187170,9cyclictest0-21swapper/411:07:3534
2587799187170,9cyclictest0-21swapper/411:07:3534
2590199186178,6cyclictest0-21swapper/2410:43:2417
2590199186178,6cyclictest0-21swapper/2410:43:2417
2591599181175,5cyclictest0-21swapper/3707:30:2531
2591599181175,5cyclictest0-21swapper/3707:30:2431
2588099181146,32cyclictest3609-21CPU37
2588099181146,32cyclictest3609-21CPU37
2587799181173,7cyclictest0-21swapper/410:43:2434
2587799181173,7cyclictest0-21swapper/410:43:2334
2589199180171,8cyclictest0-21swapper/1710:53:359
2589199180171,8cyclictest0-21swapper/1710:53:359
2587799180172,6cyclictest0-21swapper/410:47:0534
2587799180172,6cyclictest0-21swapper/410:47:0534
2587799180163,11cyclictest0-21swapper/410:30:2234
2587799180163,11cyclictest0-21swapper/410:30:2234
2587799180163,11cyclictest0-21swapper/410:30:2234
2590199179167,8cyclictest0-21swapper/2410:30:2217
2590199179167,8cyclictest0-21swapper/2410:30:2217
2590199179167,8cyclictest0-21swapper/2410:30:2117
2591599178172,4cyclictest0-21swapper/3710:02:0131
2591599178172,4cyclictest0-21swapper/3710:02:0131
2591599178172,4cyclictest0-21swapper/3710:02:0131
2590199178164,12cyclictest0-21swapper/2411:02:3917
2590199178164,12cyclictest0-21swapper/2411:02:3917
2587799178169,7cyclictest0-21swapper/410:55:4934
2587799178169,7cyclictest0-21swapper/410:55:4934
2591599176162,3cyclictest37356-21CPU31
2591599176162,3cyclictest37356-21CPU31
259069917616,138cyclictest29648-21lxd07:43:2722
2587799175161,12cyclictest0-21swapper/411:39:2034
2587799175161,12cyclictest0-21swapper/411:39:2034
2587799175161,12cyclictest0-21swapper/411:39:2034
2587299175153,11cyclictest0-21swapper/109:37:441
2587299175153,11cyclictest0-21swapper/109:37:441
2587299175153,11cyclictest0-21swapper/109:37:441
2590199174157,15cyclictest0-21swapper/2409:10:3317
2590199174157,15cyclictest0-21swapper/2409:10:3317
2590199174157,15cyclictest0-21swapper/2409:10:3317
259159917397,45cyclictest0-21swapper/3711:08:2831
259159917397,45cyclictest0-21swapper/3711:08:2831
2591599173155,16cyclictest0-21swapper/3708:20:1531
2591599173155,16cyclictest0-21swapper/3708:20:1431
2589199172166,5cyclictest0-21swapper/1709:51:189
2589199172166,5cyclictest0-21swapper/1709:51:179
259179917118,148cyclictest3547-21CPU33
259179917118,148cyclictest3547-21CPU33
2591599171156,13cyclictest0-21swapper/3708:15:4731
2591599171156,13cyclictest0-21swapper/3708:15:4731
2591599171156,12cyclictest0-21swapper/3711:15:0631
2591599171156,12cyclictest0-21swapper/3711:15:0631
2591599170158,8cyclictest0-21swapper/3710:05:1231
2591599170158,8cyclictest0-21swapper/3710:05:1131
2591599170155,13cyclictest0-21swapper/3709:09:5831
2591599170155,13cyclictest0-21swapper/3709:09:5831
2591599170154,13cyclictest0-21swapper/3710:12:4531
2591599170154,13cyclictest0-21swapper/3710:12:4531
2591599170154,13cyclictest0-21swapper/3710:12:4531
2587799170165,4cyclictest0-21swapper/410:15:2434
2587799170165,4cyclictest0-21swapper/410:15:2434
2587799170165,4cyclictest0-21swapper/410:15:2434
2587799170114,52cyclictest3542-21CPU34
2587799170114,52cyclictest3542-21CPU34
2591599169146,13cyclictest0-21swapper/3710:30:5531
2591599169146,13cyclictest0-21swapper/3710:30:5531
2591599169146,13cyclictest0-21swapper/3710:30:5531
2590199169158,10cyclictest0-21swapper/2409:17:1017
2590199169158,10cyclictest0-21swapper/2409:17:1017
2590199169158,10cyclictest0-21swapper/2409:17:0917
2587799169163,2cyclictest0-21swapper/410:51:5334
2587799169163,2cyclictest0-21swapper/410:51:5334
2587799169157,8cyclictest0-21swapper/410:29:3034
2587799169157,8cyclictest0-21swapper/410:29:3034
2587799168160,6cyclictest0-21swapper/410:20:4134
2587799168160,6cyclictest0-21swapper/410:20:4134
2587799168160,6cyclictest0-21swapper/410:20:4134
2591599167156,8cyclictest0-21swapper/3709:20:0631
2591599167156,8cyclictest0-21swapper/3709:20:0631
2588499167142,19cyclictest17483-21nfsd08:40:253
2588199167142,14cyclictest0-21swapper/809:37:4438
2588199167142,14cyclictest0-21swapper/809:37:4438
2588199167142,14cyclictest0-21swapper/809:37:4438
2587799167158,8cyclictest0-21swapper/411:01:2334
2587799167158,8cyclictest0-21swapper/411:01:2334
2591599166157,8cyclictest0-21swapper/3710:37:3631
2591599166157,8cyclictest0-21swapper/3710:37:3631
2591599166157,8cyclictest0-21swapper/3710:37:3631
2590199166152,8cyclictest17483-21nfsd08:21:4917
2590199166152,8cyclictest17483-21nfsd08:21:4917
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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