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2026-07-22 - 12:44
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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 Wed Jul 22, 2026 01:01:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2604599218191,17cyclictest0-21swapper/1223:04:354
2604599218191,17cyclictest0-21swapper/1223:04:354
2604599218191,17cyclictest0-21swapper/1223:04:354
2603199202114,79cyclictest37352-21CPU0
2603199202114,79cyclictest37352-21CPU0
2603199202114,79cyclictest37352-21CPU0
2603199200142,19cyclictest0-21swapper/019:25:400
2603199200142,19cyclictest0-21swapper/019:25:400
2604199198158,31cyclictest0-21swapper/821:43:2238
2604199198158,31cyclictest0-21swapper/821:43:2138
2603599197172,14cyclictest0-21swapper/422:52:3734
2603599197172,14cyclictest0-21swapper/422:52:3734
2603199195146,35cyclictest2464-21CPU0
2603199195146,35cyclictest2464-21CPU0
2605199194137,47cyclictest3535-21qemu-system-x8619:56:0210
2605199194137,47cyclictest3535-21qemu-system-x8619:56:0110
2604099192159,19cyclictest1430-21polkitd22:30:1737
2604099192159,19cyclictest1430-21polkitd22:30:1637
2607299191152,20cyclictest0-21swapper/3300:18:0927
2607299191152,20cyclictest0-21swapper/3300:18:0927
2607299191152,20cyclictest0-21swapper/3300:18:0827
2603199190159,12cyclictest0-21swapper/019:53:020
2603199190159,12cyclictest0-21swapper/019:53:010
2603199189136,23cyclictest0-21swapper/022:40:420
2603199189136,23cyclictest0-21swapper/022:40:410
2605699186120,60cyclictest2464-21CPU14
2605699186120,60cyclictest2464-21CPU14
2605099186183,2cyclictest0-21swapper/1719:40:299
2605099186183,2cyclictest0-21swapper/1719:40:299
2603499184149,25cyclictest0-21swapper/300:18:4023
2603499184149,25cyclictest0-21swapper/300:18:4023
2603499184149,25cyclictest0-21swapper/300:18:3923
2606299182153,18cyclictest0-21swapper/2622:04:0319
2606299182153,18cyclictest0-21swapper/2622:04:0219
2604199182150,18cyclictest17481-21nfsd00:25:1538
2604199182150,18cyclictest17481-21nfsd00:25:1438
2603899182155,12cyclictest0-21swapper/619:46:2836
2603899182155,12cyclictest0-21swapper/619:46:2736
260449918162,45cyclictest0-21swapper/1122:20:203
260449918162,45cyclictest0-21swapper/1122:20:203
2603599181154,9cyclictest0-21swapper/422:58:1134
2603599181154,9cyclictest0-21swapper/422:58:1134
2607399180157,16cyclictest0-21swapper/3423:24:0028
2607399180157,16cyclictest0-21swapper/3423:24:0028
2607399180157,16cyclictest0-21swapper/3423:23:5928
2606399180138,30cyclictest0-21swapper/2723:35:4320
2606399180138,30cyclictest0-21swapper/2723:35:4320
2606299179135,10cyclictest0-21swapper/2622:05:3519
2606299179135,10cyclictest0-21swapper/2622:05:3519
2603899179154,16cyclictest0-21swapper/622:04:0236
2603899179154,16cyclictest0-21swapper/622:04:0236
2606399178137,30cyclictest0-21swapper/2722:18:4220
2606399178137,30cyclictest0-21swapper/2722:18:4220
2606399177109,60cyclictest37358-21CPU20
2606399177109,60cyclictest37358-21CPU20
2604899177127,16cyclictest0-21swapper/1500:28:047
2604899177127,16cyclictest0-21swapper/1500:28:037
2607299176146,10cyclictest171rcu_preempt22:12:3827
2607299176146,10cyclictest171rcu_preempt22:12:3727
2604099176164,6cyclictest0-21swapper/721:11:4137
2604099176164,6cyclictest0-21swapper/721:11:4137
2603899176149,8cyclictest0-21swapper/623:29:1736
2603899176149,8cyclictest0-21swapper/623:29:1736
2603899176149,8cyclictest0-21swapper/623:29:1636
2603599176161,13cyclictest0-21swapper/423:09:0934
2603599176161,13cyclictest0-21swapper/423:09:0934
2603599176161,13cyclictest0-21swapper/423:09:0834
2603199176114,49cyclictest3609-21CPU0
2603199176114,49cyclictest3609-21CPU0
26034991751,169cyclictest0-21swapper/321:45:2123
26034991751,169cyclictest0-21swapper/321:45:2123
2607199174152,15cyclictest0-21swapper/3221:51:4526
2607199174152,15cyclictest0-21swapper/3221:51:4426
2604199174112,58cyclictest0-21swapper/821:25:4838
2604199174112,58cyclictest0-21swapper/821:25:4838
2603899174163,9cyclictest0-21swapper/622:36:3936
2603899174163,9cyclictest0-21swapper/622:36:3936
2603899174163,9cyclictest0-21swapper/622:36:3836
2603199174146,7cyclictest171rcu_preempt23:42:110
2603199174146,7cyclictest171rcu_preempt23:42:110
260419917299,56cyclictest3545-21CPU38
260419917299,56cyclictest3545-21CPU38
2603199172162,8cyclictest0-21swapper/019:30:350
2603199172162,8cyclictest0-21swapper/019:30:350
2606299170137,31cyclictest0-21swapper/2619:26:1519
2606299170137,31cyclictest0-21swapper/2619:26:1519
2603599170152,16cyclictest0-21swapper/423:56:2734
2603599170152,16cyclictest0-21swapper/423:56:2734
2607299169135,12cyclictest0-21swapper/3322:54:5327
2607299169135,12cyclictest0-21swapper/3322:54:5227
2606299169145,13cyclictest0-21swapper/2600:18:4919
2606299169145,13cyclictest0-21swapper/2600:18:4919
2606299169145,13cyclictest0-21swapper/2600:18:4819
2603599169162,3cyclictest0-21swapper/422:02:1934
2603599169162,3cyclictest0-21swapper/422:02:1834
2603599169158,9cyclictest0-21swapper/423:33:5734
2603599169158,9cyclictest0-21swapper/423:33:5734
2603599169155,9cyclictest0-21swapper/423:24:0034
2603599169155,9cyclictest0-21swapper/423:24:0034
2603599169155,9cyclictest0-21swapper/423:24:0034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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