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2026-06-12 - 07:29
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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 Jun 12, 2026 01:02:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1289399206196,8cyclictest0-21swapper/2600:15:4219
1289399206196,8cyclictest0-21swapper/2600:15:4219
1289399206196,8cyclictest0-21swapper/2600:15:4219
1289399203192,9cyclictest0-21swapper/2623:34:4019
1289399203192,9cyclictest0-21swapper/2623:34:4019
1289399203192,8cyclictest4398-21qemu-system-x8621:37:4519
1289399203192,8cyclictest4398-21qemu-system-x8621:37:4519
1289399203192,8cyclictest4398-21qemu-system-x8621:37:4519
1289399202196,4cyclictest0-21swapper/2622:16:4719
1289399202196,4cyclictest0-21swapper/2622:16:4719
1289399201191,7cyclictest0-21swapper/2600:06:5019
1289399201191,7cyclictest0-21swapper/2600:06:5019
1289399201191,7cyclictest0-21swapper/2600:06:4919
1287299199195,2cyclictest0-21swapper/820:10:1538
1289399198192,4cyclictest0-21swapper/2621:49:1819
1289399198192,4cyclictest0-21swapper/2621:49:1819
1290099197188,4cyclictest0-21swapper/3121:45:5025
1290099197188,4cyclictest0-21swapper/3121:45:5025
1289399196187,5cyclictest0-21swapper/2622:50:2119
1289399196187,5cyclictest0-21swapper/2622:50:2019
1289399196187,5cyclictest0-21swapper/2622:50:2019
1289399196186,8cyclictest0-21swapper/2623:20:1219
1289399196186,8cyclictest0-21swapper/2623:20:1219
1289399196184,7cyclictest0-21swapper/2623:44:4519
1289399196184,7cyclictest0-21swapper/2623:44:4519
1289399195168,23cyclictest0-21swapper/2623:55:2619
1289399195168,23cyclictest0-21swapper/2623:55:2619
1289399195168,23cyclictest0-21swapper/2623:55:2519
1289399193177,14cyclictest0-21swapper/2620:05:1619
1289399192184,6cyclictest0-21swapper/2622:00:0119
1289399192184,6cyclictest0-21swapper/2622:00:0119
1289399192178,8cyclictest0-21swapper/2621:23:5519
1289399192178,8cyclictest0-21swapper/2621:23:5519
1289399192176,12cyclictest0-21swapper/2622:40:3719
1289399192176,12cyclictest0-21swapper/2622:40:3719
1289399191184,5cyclictest0-21swapper/2621:44:4819
1289399191184,5cyclictest0-21swapper/2621:44:4719
1289399191184,5cyclictest0-21swapper/2621:44:4719
1289399191167,16cyclictest0-21swapper/2623:35:4719
1289399191167,16cyclictest0-21swapper/2623:35:4719
1289599190125,60cyclictest0-21swapper/2819:20:0121
1289399190183,5cyclictest0-21swapper/2622:05:1819
1289399190183,5cyclictest0-21swapper/2622:05:1819
1289399190183,5cyclictest0-21swapper/2622:05:1819
1290199189183,4cyclictest0-21swapper/3220:37:1926
1290199189183,4cyclictest0-21swapper/3220:37:1926
1289399188183,2cyclictest1-21systemd23:08:5419
1289399188183,2cyclictest1-21systemd23:08:5419
1289399188183,2cyclictest1-21systemd23:08:5419
1289399188180,5cyclictest0-21swapper/2621:27:0019
1289399188180,5cyclictest0-21swapper/2621:26:5919
1289399188173,10cyclictest142150irq/43-eno1-TxRx-100:24:5719
1289399188173,10cyclictest142150irq/43-eno1-TxRx-100:24:5619
1289399188136,43cyclictest3547-21CPU19
1289399188136,43cyclictest3547-21CPU19
1289399187181,4cyclictest0-21swapper/2600:37:5819
1289399187181,4cyclictest0-21swapper/2600:37:5719
1289399187181,4cyclictest0-21swapper/2600:37:5719
1289399186178,5cyclictest0-21swapper/2621:10:3619
1289399186178,5cyclictest0-21swapper/2621:10:3619
1289399186173,11cyclictest0-21swapper/2621:00:4019
1289399186173,11cyclictest0-21swapper/2621:00:4019
1290599185133,50cyclictest0-21swapper/3600:15:1530
1290599185133,50cyclictest0-21swapper/3600:15:1530
1290599185133,50cyclictest0-21swapper/3600:15:1530
1289399185174,9cyclictest0-21swapper/2600:03:0819
1289399185174,9cyclictest0-21swapper/2600:03:0819
1289399185174,9cyclictest0-21swapper/2600:03:0819
1289399184178,4cyclictest0-21swapper/2622:13:0219
1289399184178,4cyclictest0-21swapper/2622:13:0119
1289399184174,5cyclictest2461-21CPU19
1289399184174,5cyclictest2461-21CPU19
1289399184164,16cyclictest0-21swapper/2600:32:5319
1289399184164,16cyclictest0-21swapper/2600:32:5319
1286499184177,4cyclictest1360-21systemd-logind00:27:291
1286499184177,4cyclictest1360-21systemd-logind00:27:291
1286499184177,4cyclictest1360-21systemd-logind00:27:281
1289399183173,5cyclictest3548-21CPU19
1289399183173,5cyclictest3548-21CPU19
1289399183171,9cyclictest0-21swapper/2623:54:3919
1289399183171,9cyclictest0-21swapper/2623:54:3919
1289099183180,2cyclictest0-21swapper/2323:50:1016
1289099183180,2cyclictest0-21swapper/2323:50:1016
12866991831,178cyclictest0-21swapper/320:05:2023
1286499182175,3cyclictest0-21swapper/122:55:151
1286499182175,3cyclictest0-21swapper/122:55:151
1289599181157,8cyclictest171rcu_preempt23:19:3921
1289599181157,8cyclictest171rcu_preempt23:19:3921
1289599181157,8cyclictest171rcu_preempt23:19:3921
1289399181175,4cyclictest0-21swapper/2622:00:1619
1289399181175,4cyclictest0-21swapper/2622:00:1619
1289399181169,9cyclictest0-21swapper/2623:11:2419
1289399181169,9cyclictest0-21swapper/2623:11:2319
1289599180172,3cyclictest0-21swapper/2822:13:4721
1289599180172,3cyclictest0-21swapper/2822:13:4621
1289399180175,4cyclictest0-21swapper/2623:29:5419
1289399180175,4cyclictest0-21swapper/2623:29:5419
1289399180175,4cyclictest0-21swapper/2623:29:5319
1289399180169,6cyclictest0-21swapper/2621:15:2119
1289399180169,6cyclictest0-21swapper/2621:15:2119
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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