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2025-10-20 - 01:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rackfslot0.osadl.org (updated Sun Oct 19, 2025 00:55:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9062599245156,61cyclictest3750828-21dbus-daemon22:50:5413
9063299241152,62cyclictest0-21swapper/2722:50:5320
9061599240140,74cyclictest0-21swapper/1022:50:532
9061999235146,61cyclictest0-21swapper/1422:50:536
9062099231154,60cyclictest0-21swapper/1522:50:537
9062699230156,52cyclictest0-21swapper/2122:50:5314
9061199217164,26cyclictest0-21swapper/622:50:5328
9061099217139,54cyclictest0-21swapper/522:50:5427
9059199215152,46cyclictest615662-21sshd22:50:540
90633992140,185cyclictest0-21swapper/2822:50:5421
9061899207160,17cyclictest0-21swapper/1322:50:535
9063499203157,17cyclictest0-21swapper/2922:50:5422
9059599203145,38cyclictest0-21swapper/222:50:5412
9062499194136,39cyclictest0-21swapper/1922:50:5311
9060599193120,57cyclictest0-21swapper/422:50:5426
9063599190109,64cyclictest0-21swapper/3022:50:5324
9062299190124,52cyclictest0-21swapper/1722:50:549
90637991791,174cyclictest3412914-21kworker/u64:0+efi_rts_wq20:05:1725
9061699178151,5cyclictest0-21swapper/1122:55:513
9060099178152,6cyclictest0-21swapper/322:50:5323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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