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2026-07-06 - 11:49
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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 Mon Jul 06, 2026 01:02:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2371699193132,53cyclictest0-21swapper/323:00:5123
2371699193132,53cyclictest0-21swapper/323:00:5023
2372199184173,9cyclictest0-21swapper/722:34:0537
2372199184173,9cyclictest0-21swapper/722:34:0437
2372199184173,9cyclictest0-21swapper/722:34:0437
2374699182173,6cyclictest0-21swapper/2721:20:3620
2374699182173,6cyclictest0-21swapper/2721:20:3520
23714991829,2cyclictest0-21swapper/121:00:201
23714991829,2cyclictest0-21swapper/121:00:191
23714991829,2cyclictest0-21swapper/121:00:191
2371699181126,47cyclictest0-21swapper/322:28:1223
2371699181126,47cyclictest0-21swapper/322:28:1223
23759991800,94cyclictest0-21swapper/3822:20:2132
23759991800,94cyclictest0-21swapper/3822:20:2032
2374599179170,7cyclictest0-21swapper/2600:31:5419
2374599179170,7cyclictest0-21swapper/2600:31:5319
2374599179170,7cyclictest0-21swapper/2600:31:5319
2374599179115,42cyclictest0-21swapper/2600:24:2419
2374599179115,42cyclictest0-21swapper/2600:24:2319
2372199179160,12cyclictest0-21swapper/719:30:3137
2372199179160,12cyclictest0-21swapper/719:30:3137
2371699179118,50cyclictest3541-21CPU23
2371699179118,50cyclictest3541-21CPU23
2371699179118,50cyclictest3541-21CPU23
2375999177154,18cyclictest0-21swapper/3822:44:3732
2375999177154,18cyclictest0-21swapper/3822:44:3632
2373199177150,13cyclictest0-21swapper/1400:12:046
2373199177150,13cyclictest0-21swapper/1400:12:036
2374799176152,20cyclictest0-21swapper/2800:25:4221
2374799176152,20cyclictest0-21swapper/2800:25:4121
2373199175143,15cyclictest171rcu_preempt23:16:226
2373199175143,15cyclictest171rcu_preempt23:16:216
2372199175159,11cyclictest0-21swapper/722:55:0237
2372199175159,11cyclictest0-21swapper/722:55:0237
2375999174107,60cyclictest37267-21CPU32
2375999174107,60cyclictest37267-21CPU32
2375999174107,60cyclictest37267-21CPU32
2371699174129,39cyclictest0-21swapper/322:14:3823
2371699174129,39cyclictest0-21swapper/322:14:3823
2375999172117,51cyclictest37355-21CPU32
2375999172117,51cyclictest37355-21CPU32
2373199172165,2cyclictest0-21swapper/1422:28:506
2373199172165,2cyclictest0-21swapper/1422:28:496
2373199172162,9cyclictest0-21swapper/1421:53:306
2373199172162,9cyclictest0-21swapper/1421:53:296
237459917189,79cyclictest3609-21CPU19
237459917189,79cyclictest3609-21CPU19
2372199171159,10cyclictest0-21swapper/719:10:3237
2371699171130,39cyclictest0-21swapper/322:01:5223
2371699171130,39cyclictest0-21swapper/322:01:5123
2371699171130,36cyclictest0-21swapper/323:42:0923
2371699171130,36cyclictest0-21swapper/323:42:0923
2371699171130,36cyclictest0-21swapper/323:42:0823
2374799170134,33cyclictest37265-21CPU21
2374799170134,33cyclictest37265-21CPU21
2374699170152,7cyclictest0-21swapper/2700:33:3720
2374699170152,7cyclictest0-21swapper/2700:33:3620
2374699170152,7cyclictest0-21swapper/2700:33:3620
2374599170158,6cyclictest0-21swapper/2621:33:1519
2374599170158,6cyclictest0-21swapper/2621:33:1519
2372399170149,13cyclictest0-21swapper/900:07:2039
2372399170149,13cyclictest0-21swapper/900:07:1939
2372199170142,18cyclictest0-21swapper/723:03:3337
2372199170142,18cyclictest0-21swapper/723:03:3337
2374699169159,5cyclictest0-21swapper/2723:09:1720
2374699169159,5cyclictest0-21swapper/2723:09:1720
2374699169155,7cyclictest0-21swapper/2721:44:5820
2374699169155,7cyclictest0-21swapper/2721:44:5820
237319916964,92cyclictest0-21swapper/1422:10:166
237319916964,92cyclictest0-21swapper/1422:10:156
2373199169160,2cyclictest0-21swapper/1422:49:126
2373199169160,2cyclictest0-21swapper/1422:49:116
2372199169155,12cyclictest0-21swapper/719:45:0437
2372199169155,12cyclictest0-21swapper/719:45:0337
2371699169130,30cyclictest0-21swapper/323:49:4723
2371699169130,30cyclictest0-21swapper/323:49:4723
2374799168118,43cyclictest3544-21CPU21
2374799168118,43cyclictest3544-21CPU21
2374799168118,43cyclictest3544-21CPU21
2374599168120,24cyclictest0-21swapper/2623:46:4719
2374599168120,24cyclictest0-21swapper/2623:46:4619
237219916893,70cyclictest3609-21CPU37
237219916893,70cyclictest3609-21CPU37
2371599168107,57cyclictest2462-21CPU12
2371599168107,57cyclictest2462-21CPU12
2375999167123,36cyclictest0-21swapper/3822:18:2732
2375999167123,36cyclictest0-21swapper/3822:18:2732
2374799167147,10cyclictest0-21swapper/2823:16:2321
2374799167147,10cyclictest0-21swapper/2823:16:2221
2373199167135,8cyclictest171rcu_preempt22:19:366
2373199167135,8cyclictest171rcu_preempt22:19:366
2372299167151,9cyclictest0-21swapper/821:57:2838
2372299167151,9cyclictest0-21swapper/821:57:2838
2372299167138,12cyclictest171rcu_preempt22:23:5638
2372299167138,12cyclictest171rcu_preempt22:23:5638
237219916784,67cyclictest37358-21CPU37
237219916784,67cyclictest37358-21CPU37
2372199167150,4cyclictest0-21swapper/700:20:3437
2372199167150,4cyclictest0-21swapper/700:20:3437
2375199166153,7cyclictest0-21swapper/3122:45:1625
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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